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4
Pathophys.
1
Histopath.
6
Phenotypes
6
Pathograph
3
Genes
4
Medical Actions
2
Subtypes
1
Deep Research

Subtypes

2
High-Grade Serous Carcinoma
The most common and clinically dominant subtype of fallopian tube cancer. Characterized by near-universal TP53 mutation, frequent homologous recombination deficiency (germline/somatic BRCA1/2 mutation, BRCA promoter methylation), and high genomic instability with widespread copy-number aberration. Arises in the distal fimbrial epithelium from the STIC precursor and disseminates early to the peritoneum.
Serous Tubal Intraepithelial Carcinoma
The non-invasive precursor lesion of tubo-ovarian high-grade serous carcinoma, localized to the secretory epithelial cells of the distal (fimbrial) fallopian tube. Defined by a p53 immunohistochemical signature (diffuse strong staining or null pattern reflecting TP53 mutation) together with elevated Ki-67 proliferation and loss of polarity. STIC is most often identified incidentally in risk-reducing salpingo-oophorectomy specimens from BRCA1/2 carriers.
Show evidence (2 references)
PMID:39594243 SUPPORT Human Clinical
"STIC is considered a precursor to many HGSC cases, originating in the fallopian tubes."
Establishes STIC as the precursor lesion of high-grade serous carcinoma arising in the fallopian tube.
PMID:35871032 SUPPORT Human Clinical
"6 (4.5%) occult carcinomas were diagnosed: 3 fallopian tube carcinomas, one ovarian carcinoma and two serous tubal intraepithelial carcinomas (STICs)"
Prospective RRSO cohort in BRCA carriers found occult fallopian tube carcinomas and STIC lesions, supporting STIC as an incidentally-identified precursor.

Pathophysiology

4
TP53 Mutation in Tubal Secretory Cells
Near-universal somatic TP53 mutation in secretory epithelial cells of the distal fallopian tube is the earliest and defining molecular event, producing the "p53 signature" in morphologically benign epithelium that is the precursor of STIC.
fallopian tube secretory epithelial cell CL:4030006
fimbria of fallopian tube UBERON:8410010
Show evidence (1 reference)
PMID:38956451 SUPPORT Human Clinical
"Ovarian high-grade serous carcinoma (HGSC) originates in the fallopian tube, with secretory cells carrying a TP53 mutation, known as p53 signatures, identified as potential precursors."
Identifies TP53-mutant fallopian tube secretory cells (p53 signatures) as the earliest precursors of high-grade serous carcinoma.
STIC Precursor Formation
TP53-mutant secretory cells in the fimbria expand into serous tubal intraepithelial carcinoma, a non-invasive intraepithelial malignancy with a p53 immunostaining signature and elevated proliferation, recognized as the direct precursor of high-grade serous carcinoma.
fallopian tube secretory epithelial cell CL:4030006
fimbria of fallopian tube UBERON:8410010
Show evidence (1 reference)
PMID:38956451 SUPPORT Human Clinical
"p53 signatures evolve into serous tubal intraepithelial carcinoma (STIC) lesions, which in turn progress into invasive HGSC"
Documents the p53 signature to STIC to invasive carcinoma progression sequence.
Homologous Recombination Deficiency
Loss of homologous recombination repair, most often through germline or somatic BRCA1/BRCA2 mutation or BRCA1 promoter methylation, drives genomic instability, widespread copy-number alteration, and platinum/PARP-inhibitor sensitivity in high-grade serous carcinoma.
BRCA1 hgnc:1100 BRCA2 hgnc:1101
double-strand break repair via homologous recombination GO:0000724 ↓ DECREASED
Show evidence (1 reference)
PMID:21720365 SUPPORT Human Clinical
"Pathway analyses suggested that homologous recombination is defective in about half of the tumours analysed"
TCGA analysis of high-grade serous carcinoma establishes homologous recombination deficiency as a central mechanism in roughly half of tumors, underpinning genomic instability and platinum/PARP sensitivity in tubo-ovarian HGSC.
Invasive High-Grade Serous Carcinoma and Peritoneal Spread
Invasive high-grade serous carcinoma sheds from the fimbria and disseminates transcoelomically across the peritoneal cavity and omentum, producing the advanced-stage presentation typical of tubo-ovarian high-grade serous carcinoma.
fallopian tube secretory epithelial cell CL:4030006
Show evidence (1 reference)
PMID:38956451 SUPPORT Human Clinical
"which in turn progress into invasive HGSC, which readily spreads to the ovary and disseminates around the peritoneal cavity"
Documents that STIC lesions progress to invasive high-grade serous carcinoma that disseminates across the peritoneal cavity, the defining feature of advanced-stage tubo-ovarian HGSC.

Histopathology

1
Serous Tubal Intraepithelial Carcinoma
Non-invasive intraepithelial malignancy of the distal fimbrial tubal epithelium, diagnosed on the basis of aberrant p53 and Ki-67 immunohistochemistry together with architectural and nuclear atypia, using the Sectioning and Extensively Examining the Fimbriated End (SEE-FIM) protocol. Recognized as the precursor of invasive high-grade serous carcinoma.
Show evidence (1 reference)
PMID:37775701 SUPPORT Human Clinical
"Three main lesions, p53 signatures, STILs, and STICs, have been defined based on the immunohistochemistry (IHC) pattern of p53 and Ki67 markers"
Defines STIC and its precursors by p53/Ki-67 immunohistochemistry, supporting the diagnostic histopathologic criteria.

Pathograph

Use the checkboxes to hide or show graph categories. Hover nodes for evidence and cross-linked metadata.
Pathograph: causal mechanism network for Fallopian Tube Cancer Interactive directed graph showing how pathophysiology mechanisms, phenotypes, genetic factors and variants, experimental models, environmental triggers, and treatments relate through causal and linked edges.

Phenotypes

6
Digestive 2
Ascites Ascites HP:0001541
Abdominal distention Abdominal distention HP:0003270
Constitutional 1
Pelvic pain Pelvic pain HP:0034267
Show evidence (1 reference)
PMID:23730659 SUPPORT Human Clinical
"The Latzko's triad of a watery vaginal discharge, a colicky lower abdominal pain and a pelvic mass is typical of a fallopian tube carcinoma"
The Latzko triad of fallopian tube carcinoma includes colicky lower abdominal/pelvic pain as a typical presenting feature.
Other 3
Pelvic mass Pelvic mass HP:0031501
Abnormal vaginal bleeding Abnormal vaginal bleeding HP:0034263
Abnormal vaginal discharge Abnormal vaginal discharge HP:0034269
Show evidence (1 reference)
PMID:23730659 SUPPORT Human Clinical
"The Latzko's triad of a watery vaginal discharge, a colicky lower abdominal pain and a pelvic mass is typical of a fallopian tube carcinoma"
Watery vaginal discharge is a typical (Latzko triad) presenting symptom of fallopian tube carcinoma.
🧬

Genetic Associations

3
BRCA1 (Germline Pathogenic Variants)
Gene: BRCA1 hgnc:1100
Autosomal Dominant
Show evidence (1 reference)
PMID:30345884 SUPPORT Human Clinical
"high-grade serous or endometrioid ovarian cancer, primary peritoneal cancer, or fallopian-tube cancer (or a combination thereof) with a mutation in BRCA1, BRCA2, or both"
The SOLO-1 phase 3 trial explicitly enrolled fallopian-tube cancer patients carrying BRCA1 (or BRCA2) mutations, supporting germline BRCA1 mutation as a clinically actionable driver of this disease.
BRCA2 (Germline Pathogenic Variants)
Gene: BRCA2 hgnc:1101
Autosomal Dominant
Show evidence (1 reference)
PMID:30345884 SUPPORT Human Clinical
"high-grade serous or endometrioid ovarian cancer, primary peritoneal cancer, or fallopian-tube cancer (or a combination thereof) with a mutation in BRCA1, BRCA2, or both"
The SOLO-1 phase 3 trial explicitly enrolled fallopian-tube cancer patients with BRCA1/2 mutations, supporting BRCA1/2 mutation as a clinically actionable driver in this disease.
TP53 (Somatic Loss-of-Function Mutations)
Gene: TP53 hgnc:11998
💊

Medical Actions

4
Cytoreductive Surgery
Action: surgical procedure MAXO:0000004
Surgical staging and maximal cytoreduction (debulking), typically including bilateral salpingo-oophorectomy, hysterectomy, and omentectomy.
Show evidence (1 reference)
PMID:30345884 SUPPORT Human Clinical
"standard treatment with surgery and platinum-based"
Surgery is part of the standard first-line treatment for advanced tubo-ovarian/fallopian-tube high-grade serous carcinoma.
Platinum-Taxane Chemotherapy
Action: chemotherapy MAXO:0000647
Agent: carboplatin CHEBI:31355 paclitaxel CHEBI:45863
Carboplatin plus paclitaxel is the standard first-line chemotherapy for advanced tubo-ovarian high-grade serous carcinoma.
Show evidence (1 reference)
PMID:30345884 SUPPORT Human Clinical
"standard treatment with surgery and platinum-based"
Platinum-based chemotherapy is part of the standard first-line treatment for advanced tubo-ovarian/fallopian-tube high-grade serous carcinoma.
PARP Inhibitor Maintenance
Action: Pharmacotherapy NCIT:C15986
Agent: olaparib CHEBI:83766
PARP inhibitors (e.g., olaparib, niraparib) provide maintenance benefit, especially in BRCA-mutant / homologous-recombination-deficient disease, exploiting synthetic lethality with HRR deficiency.
Show evidence (1 reference)
PMID:30345884 SUPPORT Human Clinical
"the risk of disease progression or death was 70% lower with olaparib than with placebo"
The SOLO-1 trial demonstrated substantial progression-free survival benefit from PARP inhibitor maintenance in BRCA1/2-mutated advanced ovarian/fallopian-tube/peritoneal cancer.
Risk-Reducing Salpingo-Oophorectomy
Action: salpingo-oophorectomy Ontology label: Salpingo-Oophorectomy NCIT:C15323
Prophylactic bilateral salpingo-oophorectomy in BRCA1/2 carriers substantially reduces the risk of tubo-ovarian/fallopian tube high-grade serous carcinoma and is the standard risk-reducing surgery; it frequently reveals occult STIC or early tubal carcinoma. The tubal-origin model has motivated alternative risk-reducing salpingectomy with delayed oophorectomy to defer premature menopause.
Show evidence (2 references)
PMID:38907139 SUPPORT Human Clinical
"which decreases their EOC risk by 96% when performed within guideline"
A risk-reducing salpingo-oophorectomy reduces epithelial ovarian/tubal cancer risk by 96% when performed within guideline ages.
PMID:38907139 SUPPORT Human Clinical
"There is compelling evidence that the majority of EOCs originate"
Supports the tubal-origin rationale underlying risk-reducing salpingectomy strategies.
{ }

Source YAML

click to show
name: Fallopian Tube Cancer
creation_date: "2026-06-08T17:13:53Z"
category: Complex
disease_term:
  preferred_term: fallopian tube cancer
  term:
    id: MONDO:0002158
    label: fallopian tube cancer
parents:
- Female Reproductive Organ Cancer
synonyms:
- Tubal carcinoma
- Carcinoma of the fallopian tube
- Primary fallopian tube carcinoma
description: >-
  Fallopian tube cancer is a malignant neoplasm of the fallopian tube. The
  dominant histology is high-grade serous carcinoma, and accumulating
  pathological and molecular evidence has reframed the fallopian tube as the
  site of origin for the majority of so-called "ovarian" high-grade serous
  carcinomas. The recognized precursor lesion is serous tubal intraepithelial
  carcinoma (STIC), a non-invasive intraepithelial malignancy of the distal
  (fimbrial) tubal epithelium characterized by near-universal TP53 mutation.
  Fallopian tube, ovarian, and primary peritoneal high-grade serous carcinomas
  are now treated as a single clinicopathological entity (tubo-ovarian
  high-grade serous carcinoma). The disease is strongly associated with
  germline BRCA1/BRCA2 mutations, and risk-reducing salpingo-oophorectomy in
  BRCA carriers frequently reveals occult STIC or early carcinoma in the
  fimbria. See also the related entry Ovarian High-Grade Serous Carcinoma,
  which models the shared tubo-ovarian serous carcinoma mechanism in greater
  depth.
has_subtypes:
- name: HGSC
  display_name: High-Grade Serous Carcinoma
  description: >-
    The most common and clinically dominant subtype of fallopian tube cancer.
    Characterized by near-universal TP53 mutation, frequent homologous
    recombination deficiency (germline/somatic BRCA1/2 mutation, BRCA promoter
    methylation), and high genomic instability with widespread copy-number
    aberration. Arises in the distal fimbrial epithelium from the STIC
    precursor and disseminates early to the peritoneum.
- name: STIC
  display_name: Serous Tubal Intraepithelial Carcinoma
  description: >-
    The non-invasive precursor lesion of tubo-ovarian high-grade serous
    carcinoma, localized to the secretory epithelial cells of the distal
    (fimbrial) fallopian tube. Defined by a p53 immunohistochemical signature
    (diffuse strong staining or null pattern reflecting TP53 mutation) together
    with elevated Ki-67 proliferation and loss of polarity. STIC is most often
    identified incidentally in risk-reducing salpingo-oophorectomy specimens
    from BRCA1/2 carriers.
  evidence:
  - reference: PMID:39594243
    reference_title: "Serous Tubal Intraepithelial Carcinoma (STIC): A Review of the Literature on the Incidence at the Time of Prophylactic Surgery."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "STIC is considered a precursor to many HGSC cases, originating in the fallopian tubes."
    explanation: Establishes STIC as the precursor lesion of high-grade serous carcinoma arising in the fallopian tube.
  - reference: PMID:35871032
    reference_title: "Risk reducing surgery with peritoneal staging in BRCA1-2 mutation carriers. A prospective study."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "6 (4.5%) occult carcinomas were diagnosed: 3 fallopian tube carcinomas, one ovarian carcinoma and two serous tubal intraepithelial carcinomas (STICs)"
    explanation: Prospective RRSO cohort in BRCA carriers found occult fallopian tube carcinomas and STIC lesions, supporting STIC as an incidentally-identified precursor.
pathophysiology:
- name: TP53 Mutation in Tubal Secretory Cells
  description: >-
    Near-universal somatic TP53 mutation in secretory epithelial cells of the
    distal fallopian tube is the earliest and defining molecular event,
    producing the "p53 signature" in morphologically benign epithelium that is
    the precursor of STIC.
  cell_types:
  - preferred_term: fallopian tube secretory epithelial cell
    term:
      id: CL:4030006
      label: fallopian tube secretory epithelial cell
  locations:
  - preferred_term: fimbria of fallopian tube
    term:
      id: UBERON:8410010
      label: fimbria of fallopian tube
  evidence:
  - reference: PMID:38956451
    reference_title: "The genomic trajectory of ovarian high-grade serous carcinoma can be observed in STIC lesions."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "Ovarian high-grade serous carcinoma (HGSC) originates in the fallopian tube, with secretory cells carrying a TP53 mutation, known as p53 signatures, identified as potential precursors."
    explanation: Identifies TP53-mutant fallopian tube secretory cells (p53 signatures) as the earliest precursors of high-grade serous carcinoma.
  downstream:
  - target: STIC Precursor Formation
    description: TP53-mutant secretory cells acquire a proliferative intraepithelial phenotype.
- name: STIC Precursor Formation
  description: >-
    TP53-mutant secretory cells in the fimbria expand into serous tubal
    intraepithelial carcinoma, a non-invasive intraepithelial malignancy with a
    p53 immunostaining signature and elevated proliferation, recognized as the
    direct precursor of high-grade serous carcinoma.
  cell_types:
  - preferred_term: fallopian tube secretory epithelial cell
    term:
      id: CL:4030006
      label: fallopian tube secretory epithelial cell
  locations:
  - preferred_term: fimbria of fallopian tube
    term:
      id: UBERON:8410010
      label: fimbria of fallopian tube
  evidence:
  - reference: PMID:38956451
    reference_title: "The genomic trajectory of ovarian high-grade serous carcinoma can be observed in STIC lesions."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "p53 signatures evolve into serous tubal intraepithelial carcinoma (STIC) lesions, which in turn progress into invasive HGSC"
    explanation: Documents the p53 signature to STIC to invasive carcinoma progression sequence.
  downstream:
  - target: Homologous Recombination Deficiency
    description: STIC lesions accumulate further genomic instability, often via HRR defects.
- name: Homologous Recombination Deficiency
  conforms_to: "dna_repair_synthetic_lethality#HRR or FA/BRCA Repair Deficiency"
  description: >-
    Loss of homologous recombination repair, most often through germline or
    somatic BRCA1/BRCA2 mutation or BRCA1 promoter methylation, drives genomic
    instability, widespread copy-number alteration, and platinum/PARP-inhibitor
    sensitivity in high-grade serous carcinoma.
  genes:
  - preferred_term: BRCA1
    term:
      id: hgnc:1100
      label: BRCA1
  - preferred_term: BRCA2
    term:
      id: hgnc:1101
      label: BRCA2
  biological_processes:
  - preferred_term: double-strand break repair via homologous recombination
    modifier: DECREASED
    term:
      id: GO:0000724
      label: double-strand break repair via homologous recombination
  evidence:
  - reference: PMID:21720365
    reference_title: "Integrated genomic analyses of ovarian carcinoma."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: >-
      Pathway analyses suggested that homologous recombination is defective in about half
      of the tumours analysed
    explanation: >-
      TCGA analysis of high-grade serous carcinoma establishes homologous recombination
      deficiency as a central mechanism in roughly half of tumors, underpinning genomic
      instability and platinum/PARP sensitivity in tubo-ovarian HGSC.
  downstream:
  - target: Invasive High-Grade Serous Carcinoma and Peritoneal Spread
    description: Genomic instability promotes invasion and early transcoelomic dissemination.
- name: Invasive High-Grade Serous Carcinoma and Peritoneal Spread
  description: >-
    Invasive high-grade serous carcinoma sheds from the fimbria and
    disseminates transcoelomically across the peritoneal cavity and omentum,
    producing the advanced-stage presentation typical of tubo-ovarian
    high-grade serous carcinoma.
  cell_types:
  - preferred_term: fallopian tube secretory epithelial cell
    term:
      id: CL:4030006
      label: fallopian tube secretory epithelial cell
  evidence:
  - reference: PMID:38956451
    reference_title: "The genomic trajectory of ovarian high-grade serous carcinoma can be observed in STIC lesions."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "which in turn progress into invasive HGSC, which readily spreads to the ovary and disseminates around the peritoneal cavity"
    explanation: Documents that STIC lesions progress to invasive high-grade serous carcinoma that disseminates across the peritoneal cavity, the defining feature of advanced-stage tubo-ovarian HGSC.
phenotypes:
- name: Pelvic mass
  description: A pelvic or adnexal mass is a common presenting finding.
  phenotype_term:
    preferred_term: Pelvic mass
    term:
      id: HP:0031501
      label: Pelvic mass
- name: Ascites
  description: Malignant ascites from peritoneal dissemination is common at advanced stage.
  phenotype_term:
    preferred_term: Ascites
    term:
      id: HP:0001541
      label: Ascites
- name: Abnormal vaginal bleeding
  description: Abnormal vaginal bleeding or watery discharge can be a presenting symptom.
  phenotype_term:
    preferred_term: Abnormal vaginal bleeding
    term:
      id: HP:0034263
      label: Abnormal vaginal bleeding
- name: Abdominal distention
  description: Abdominal distention from ascites or bulky disease is common at advanced stage.
  phenotype_term:
    preferred_term: Abdominal distention
    term:
      id: HP:0003270
      label: Abdominal distention
- name: Pelvic pain
  description: >-
    Pelvic or lower abdominal pain is a common nonspecific presenting symptom and
    a component of the classic Latzko triad (watery vaginal discharge, colicky
    lower abdominal pain, and a pelvic mass).
  phenotype_term:
    preferred_term: Pelvic pain
    term:
      id: HP:0034267
      label: Pelvic pain
  evidence:
  - reference: PMID:23730659
    reference_title: "Bilateral primary fallopian tube carcinoma with the classical clinical features: a case report."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "The Latzko's triad of a watery vaginal discharge, a colicky lower abdominal pain and a pelvic mass is typical of a fallopian tube carcinoma"
    explanation: The Latzko triad of fallopian tube carcinoma includes colicky lower abdominal/pelvic pain as a typical presenting feature.
- name: Abnormal vaginal discharge
  description: >-
    Watery vaginal discharge (hydrops tubae profluens) is a classic, though
    uncommon, presenting symptom and a component of the Latzko triad.
  phenotype_term:
    preferred_term: Abnormal vaginal discharge
    term:
      id: HP:0034269
      label: Abnormal vaginal discharge
  evidence:
  - reference: PMID:23730659
    reference_title: "Bilateral primary fallopian tube carcinoma with the classical clinical features: a case report."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "The Latzko's triad of a watery vaginal discharge, a colicky lower abdominal pain and a pelvic mass is typical of a fallopian tube carcinoma"
    explanation: Watery vaginal discharge is a typical (Latzko triad) presenting symptom of fallopian tube carcinoma.
histopathology:
- name: Serous Tubal Intraepithelial Carcinoma
  finding_term:
    preferred_term: Serous Tubal Intraepithelial Carcinoma
    term:
      id: NCIT:C126449
      label: Serous Tubal Intraepithelial Carcinoma
  diagnostic: true
  description: >-
    Non-invasive intraepithelial malignancy of the distal fimbrial tubal
    epithelium, diagnosed on the basis of aberrant p53 and Ki-67
    immunohistochemistry together with architectural and nuclear atypia, using
    the Sectioning and Extensively Examining the Fimbriated End (SEE-FIM)
    protocol. Recognized as the precursor of invasive high-grade serous
    carcinoma.
  evidence:
  - reference: PMID:37775701
    reference_title: "Fallopian tube lesions as potential precursors of early ovarian cancer: a comprehensive proteomic analysis."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "Three main lesions, p53 signatures, STILs, and STICs, have been defined based on the immunohistochemistry (IHC) pattern of p53 and Ki67 markers"
    explanation: Defines STIC and its precursors by p53/Ki-67 immunohistochemistry, supporting the diagnostic histopathologic criteria.
genetic:
- name: BRCA1
  gene_term:
    preferred_term: BRCA1
    term:
      id: hgnc:1100
      label: BRCA1
  association: Germline Pathogenic Variants
  inheritance:
  - name: Autosomal Dominant
  notes: >-
    Germline pathogenic BRCA1 variants substantially increase fallopian tube /
    tubo-ovarian high-grade serous carcinoma risk and are a primary indication
    for risk-reducing salpingo-oophorectomy.
  evidence:
  - reference: PMID:30345884
    reference_title: "Maintenance Olaparib in Patients with Newly Diagnosed Advanced Ovarian Cancer."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "high-grade serous or endometrioid ovarian cancer, primary peritoneal cancer, or fallopian-tube cancer (or a combination thereof) with a mutation in BRCA1, BRCA2, or both"
    explanation: The SOLO-1 phase 3 trial explicitly enrolled fallopian-tube cancer patients carrying BRCA1 (or BRCA2) mutations, supporting germline BRCA1 mutation as a clinically actionable driver of this disease.
- name: BRCA2
  gene_term:
    preferred_term: BRCA2
    term:
      id: hgnc:1101
      label: BRCA2
  association: Germline Pathogenic Variants
  inheritance:
  - name: Autosomal Dominant
  notes: >-
    Germline pathogenic BRCA2 variants increase tubo-ovarian high-grade serous
    carcinoma risk and confer homologous recombination deficiency that
    sensitizes tumors to platinum and PARP inhibitors.
  evidence:
  - reference: PMID:30345884
    reference_title: "Maintenance Olaparib in Patients with Newly Diagnosed Advanced Ovarian Cancer."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "high-grade serous or endometrioid ovarian cancer, primary peritoneal cancer, or fallopian-tube cancer (or a combination thereof) with a mutation in BRCA1, BRCA2, or both"
    explanation: The SOLO-1 phase 3 trial explicitly enrolled fallopian-tube cancer patients with BRCA1/2 mutations, supporting BRCA1/2 mutation as a clinically actionable driver in this disease.
- name: TP53
  gene_term:
    preferred_term: TP53
    term:
      id: hgnc:11998
      label: TP53
  association: Somatic Loss-of-Function Mutations
  notes: >-
    Somatic TP53 mutation is near-universal in high-grade serous carcinoma and
    its STIC precursor, producing the diagnostic p53 immunohistochemical
    signature.
treatments:
- name: Cytoreductive Surgery
  description: >-
    Surgical staging and maximal cytoreduction (debulking), typically including
    bilateral salpingo-oophorectomy, hysterectomy, and omentectomy.
  treatment_term:
    preferred_term: surgical procedure
    term:
      id: MAXO:0000004
      label: surgical procedure
  evidence:
  - reference: PMID:30345884
    reference_title: "Maintenance Olaparib in Patients with Newly Diagnosed Advanced Ovarian Cancer."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "standard treatment with surgery and platinum-based"
    explanation: Surgery is part of the standard first-line treatment for advanced tubo-ovarian/fallopian-tube high-grade serous carcinoma.
- name: Platinum-Taxane Chemotherapy
  description: >-
    Carboplatin plus paclitaxel is the standard first-line chemotherapy for
    advanced tubo-ovarian high-grade serous carcinoma.
  treatment_term:
    preferred_term: chemotherapy
    term:
      id: MAXO:0000647
      label: chemotherapy
    therapeutic_agent:
    - preferred_term: carboplatin
      term:
        id: CHEBI:31355
        label: carboplatin
    - preferred_term: paclitaxel
      term:
        id: CHEBI:45863
        label: paclitaxel
  evidence:
  - reference: PMID:30345884
    reference_title: "Maintenance Olaparib in Patients with Newly Diagnosed Advanced Ovarian Cancer."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "standard treatment with surgery and platinum-based"
    explanation: Platinum-based chemotherapy is part of the standard first-line treatment for advanced tubo-ovarian/fallopian-tube high-grade serous carcinoma.
- name: PARP Inhibitor Maintenance
  description: >-
    PARP inhibitors (e.g., olaparib, niraparib) provide maintenance benefit,
    especially in BRCA-mutant / homologous-recombination-deficient disease,
    exploiting synthetic lethality with HRR deficiency.
  therapeutic_modality: SMALL_MOLECULE
  treatment_term:
    preferred_term: Pharmacotherapy
    term:
      id: NCIT:C15986
      label: Pharmacotherapy
    therapeutic_agent:
    - preferred_term: olaparib
      term:
        id: CHEBI:83766
        label: olaparib
  evidence:
  - reference: PMID:30345884
    reference_title: "Maintenance Olaparib in Patients with Newly Diagnosed Advanced Ovarian Cancer."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "the risk of disease progression or death was 70% lower with olaparib than with placebo"
    explanation: The SOLO-1 trial demonstrated substantial progression-free survival benefit from PARP inhibitor maintenance in BRCA1/2-mutated advanced ovarian/fallopian-tube/peritoneal cancer.
- name: Risk-Reducing Salpingo-Oophorectomy
  description: >-
    Prophylactic bilateral salpingo-oophorectomy in BRCA1/2 carriers
    substantially reduces the risk of tubo-ovarian/fallopian tube high-grade
    serous carcinoma and is the standard risk-reducing surgery; it frequently
    reveals occult STIC or early tubal carcinoma. The tubal-origin model has
    motivated alternative risk-reducing salpingectomy with delayed oophorectomy
    to defer premature menopause.
  treatment_term:
    preferred_term: salpingo-oophorectomy
    term:
      id: NCIT:C15323
      label: Salpingo-Oophorectomy
  evidence:
  - reference: PMID:38907139
    reference_title: "Risk-reducing salpingectomy with delayed oophorectomy to prevent ovarian cancer in women with an increased inherited risk: insights into an alternative strategy."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "which decreases their EOC risk by 96% when performed within guideline"
    explanation: A risk-reducing salpingo-oophorectomy reduces epithelial ovarian/tubal cancer risk by 96% when performed within guideline ages.
  - reference: PMID:38907139
    reference_title: "Risk-reducing salpingectomy with delayed oophorectomy to prevent ovarian cancer in women with an increased inherited risk: insights into an alternative strategy."
    supports: SUPPORT
    evidence_source: HUMAN_CLINICAL
    snippet: "There is compelling evidence that the majority of EOCs originate"
    explanation: Supports the tubal-origin rationale underlying risk-reducing salpingectomy strategies.
📚

References & Deep Research

Deep Research

1
Falcon
Disease Characteristics Research Template
Edison Scientific Literature 40 citations 2026-06-08T10:03:47.401769

Question: You are an expert researcher providing comprehensive, well-cited information.

Provide detailed information focusing on: 1. Key concepts and definitions with current understanding 2. Recent developments and latest research (prioritize 2023-2024 sources) 3. Current applications and real-world implementations 4. Expert opinions and analysis from authoritative sources 5. Relevant statistics and data from recent studies

Format as a comprehensive research report with proper citations. Include URLs and publication dates where available. Always prioritize recent, authoritative sources and provide specific citations for all major claims.

Disease Characteristics Research Template

Target Disease

  • Disease Name: Fallopian Tube Cancer
  • MONDO ID: (if available)
  • Category: Complex

Research Objectives

Please provide a comprehensive research report on Fallopian Tube Cancer covering all of the disease characteristics listed below. This report will be used to populate a disease knowledge base entry. Be thorough and cite primary literature (PMID preferred) for all claims.

For each section, suggested databases/resources are listed. These are the first places you should search for information on each topic.


1. Disease Information

Search first: OMIM, Orphanet, ICD-10/ICD-11, MeSH, PubMed

  • What is the disease? Provide a concise overview.
  • What are the key identifiers? (OMIM, Orphanet, ICD-10/ICD-11, MeSH, Mondo)
  • What are the common synonyms and alternative names?
  • Is the information derived from individual patients (e.g., EHR) or aggregated disease-level resources?

2. Etiology

  • Disease Causal Factors: What are the primary causes? (genetic, environmental, infectious, mechanistic)
  • Risk Factors:

    Search first: PubMed, Cochrane Library, UpToDate, clinical guidelines, ClinVar, ClinGen, GWAS Catalog, PheGenI, CTD, CDC, WHO, epidemiological databases

  • Genetic risk factors (causal variants, susceptibility loci, modifier genes)
  • Environmental risk factors (toxins, lifestyle, occupational exposures, age, sex, family history)
  • Protective Factors:

    Search first: PubMed, Cochrane Library, clinical trial databases, GWAS Catalog, gnomAD, WHO, CDC, nutrition databases

  • Genetic protective factors (protective variants, modifier alleles)
  • Environmental protective factors (diet, lifestyle, exposures that reduce risk)
  • Gene-Environment Interactions: How do genetic and environmental factors interact to influence disease?

    Search first: CTD, PubMed, PheGenI, GxE databases

3. Phenotypes

Search first: HPO (Human Phenotype Ontology), OMIM, Orphanet, PubMed, clinicaltrials.gov, MedDRA, SNOMED CT, DECIPHER, LOINC

For each phenotype, provide: - Phenotype type: symptoms, clinical signs, physical manifestations, behavioral changes, or laboratory abnormalities

For symptoms/signs: HPO, OMIM, Orphanet, PubMed For behavioral changes: HPO, DSM, RDoC (Research Domain Criteria), PubMed For laboratory abnormalities: LOINC, SNOMED CT, LabTests Online, PubMed - Phenotype characteristics: Search first: OMIM, Orphanet, HPO, PubMed - Age of symptom onset (neonatal, childhood, adult-onset, late-onset) - Symptom severity (mild, moderate, severe, variable) - Symptom progression (stable, progressive, episodic, fluctuating) - Frequency among affected individuals (percentage or qualitative) - Quality of life impact: Effects on daily functioning and well-being (per-phenotype when possible) Search first: EQ-5D database, SF-36, WHO QOL databases, PubMed - Suggest HPO (Human Phenotype Ontology) terms for each phenotype

4. Genetic/Molecular Information

  • Causal Genes: Gene mutations or chromosomal abnormalities responsible for disease (gene symbols, OMIM IDs)

    Search first: OMIM, ClinVar, HGMD, Ensembl, NCBI Gene

  • Pathogenic Variants:
  • Affected genes (gene symbols, HGNC IDs) > Search first: OMIM, NCBI Gene, Ensembl, HGNC, UniProt, GeneCards
  • Variant classification (pathogenic, likely pathogenic, VUS per ACMG/AMP guidelines) > Search first: ClinVar, ClinGen, ACMG/AMP guidelines, VarSome
  • Variant type/class (missense, frameshift, nonsense, splice-site, structural)
  • Allele frequency in population databases > Search first: gnomAD, 1000 Genomes, ExAC, TOPMed, dbSNP
  • Somatic vs germline origin > Search first: COSMIC (somatic), ClinVar, ICGC, TCGA
  • Functional consequences (loss of function, gain of function, dominant negative)
  • Modifier Genes: Genes that modify disease severity or expression
  • Epigenetic Information: DNA methylation, histone modifications, chromatin changes affecting disease

    Search first: ENCODE, Roadmap Epigenomics, MethBase, DiseaseMeth

  • Chromosomal Abnormalities: Large-scale genetic changes (aneuploidy, translocations, inversions)

    Search first: DECIPHER, ClinVar, ECARUCA, UCSC Genome Browser

5. Environmental Information

  • Environmental Factors: Non-genetic contributing factors (toxins, radiation, pollution, occupational exposure)

    Search first: CTD (Comparative Toxicogenomics Database), TOXNET, PubMed, EPA databases

  • Lifestyle Factors: Behavioral factors (smoking, diet, exercise, alcohol consumption)

    Search first: CDC databases, WHO, PubMed, NHANES

  • Infectious Agents: If applicable, pathogens causing or triggering disease (bacteria, viruses, fungi, parasites)

    Search first: NCBI Taxonomy, ViPR, BV-BRC, MicrobeDB, GIDEON

6. Mechanism / Pathophysiology

  • Molecular Pathways: Specific signaling cascades or biochemical pathways involved (Wnt, MAPK, mTOR, PI3K-AKT, etc.)

    Search first: KEGG, Reactome, WikiPathways, PathBank, BioCyc

  • Cellular Processes: Cell-level mechanisms (apoptosis, autophagy, cell cycle dysregulation, inflammation, etc.)

    Search first: Gene Ontology (GO), Reactome, KEGG, PubMed

  • Protein Dysfunction: How protein structure or function is altered (misfolding, aggregation, loss of function, gain of function)

    Search first: UniProt, PDB (Protein Data Bank), InterPro, Pfam, AlphaFold

  • Metabolic Changes: Alterations in metabolic processes (energy metabolism, lipid metabolism, amino acid metabolism)

    Search first: KEGG, BioCyc, HMDB (Human Metabolome Database), BRENDA

  • Immune System Involvement: Role of immune response (autoimmunity, immunodeficiency, chronic inflammation)

    Search first: ImmPort, Immunome Database, IEDB, Gene Ontology

  • Tissue Damage Mechanisms: How tissues/ are injured (oxidative stress, ischemia, fibrosis, necrosis)

    Search first: PubMed, Gene Ontology, Reactome

  • Biochemical Abnormalities: Specific molecular defects (enzyme deficiencies, receptor dysfunction, ion channel defects)

    Search first: BRENDA, UniProt, KEGG, OMIM, PubMed

  • Epigenetic Changes: DNA methylation, histone modifications affecting gene expression in disease

    Search first: ENCODE, Roadmap Epigenomics, MethBase, DiseaseMeth

  • Molecular Profiling (if available):
  • Transcriptomics/gene expression changes > Search first: GEO (Gene Expression Omnibus), ArrayExpress, GTEx, Human Cell Atlas, SRA
  • Proteomics findings > Search first: PRIDE, ProteomeXchange, Human Protein Atlas, STRING, BioGRID
  • Metabolomics signatures > Search first: MetaboLights, Metabolomics Workbench, HMDB, METLIN
  • Lipidomics alterations > Search first: LIPID MAPS, SwissLipids, LipidHome, Metabolomics Workbench
  • Genomic structural features > Search first: UCSC Genome Browser, Ensembl, NCBI, dbVar, DGV
  • Advanced Technologies (if applicable):
  • Single-cell analysis findings (cell-type specific mechanisms, cellular heterogeneity) > Search first: Human Cell Atlas, Single Cell Portal, GEO, CELLxGENE
  • Spatial transcriptomics findings > Search first: GEO, Spatial Research, Vizgen, 10x Genomics data
  • Multi-omics integration results > Search first: TCGA, ICGC, cBioPortal, LinkedOmics, PubMed
  • Functional genomics screens (CRISPR, RNAi) > Search first: DepMap, GenomeRNAi, PubMed, BioGRID ORCS

For each mechanism, describe: - The causal chain from initial trigger to clinical manifestation - Which mechanisms are upstream vs downstream - What cell types and biological processes are involved - Suggest GO terms for biological processes and CL terms for cell types

7. Anatomical Structures Affected

  • Organ Level:
  • Primary organs directly affected
  • Secondary organ involvement (complications, secondary effects)
  • Body systems involved (cardiovascular, nervous, digestive, respiratory, endocrine, etc.)

    Search first: Uberon, FMA (Foundational Model of Anatomy), OMIM, HPO, ICD-11, MeSH, SNOMED CT

  • Tissue and Cell Level:
  • Specific tissue types affected (epithelial, connective, muscle, nervous)
  • Specific cell populations targeted (with Cell Ontology terms)

    Search first: Uberon, Human Protein Atlas, Cell Ontology, Human Cell Atlas, CellMarker, PanglaoDB

  • Subcellular Level:
  • Cellular compartments involved (mitochondria, nucleus, ER, lysosomes) (with GO Cellular Component terms)

    Search first: Gene Ontology (Cellular Component), UniProt, Human Protein Atlas

  • Localization:
  • Specific anatomical sites (with UBERON terms) > Search first: FMA, Uberon, NeuroNames (for brain), SNOMED CT
  • Lateralization (unilateral, bilateral, asymmetric) > Search first: HPO, clinical literature, imaging databases

8. Temporal Development

  • Onset:
  • Typical age of onset (congenital, pediatric, adult, geriatric)
  • Onset pattern (acute, subacute, chronic, insidious)

    Search first: OMIM, Orphanet, HPO, PubMed

  • Progression:
  • Disease stages (early, intermediate, advanced, end-stage) > Search first: Cancer Staging Manual (AJCC), WHO classifications, PubMed
  • Progression rate (rapid, slow, variable)
  • Disease course pattern (episodic, relapsing-remitting, progressive, stable)
  • Disease duration (self-limited, chronic lifelong)

    Search first: Disease registries, longitudinal cohort databases, natural history studies, PubMed, Orphanet, OMIM

  • Patterns:
  • Remission patterns (spontaneous, treatment-induced) > Search first: Clinical trial databases, disease registries, PubMed
  • Critical periods (time windows of vulnerability or opportunity for intervention) > Search first: PubMed, developmental biology databases, clinical guidelines

9. Inheritance and Population

  • Epidemiology:
  • Prevalence (cases per 100,000 at given time)
  • Incidence (new cases per 100,000 per year)

    Search first: Orphanet, CDC, WHO, GBD (Global Burden of Disease), national registries, SEER, disease registries

  • For Genetic Etiology:
  • Inheritance pattern (AD, AR, X-linked, mitochondrial, multifactorial, polygenic) > Search first: OMIM, Orphanet, ClinVar, GTR (Genetic Testing Registry)
  • Penetrance (complete, incomplete, age-dependent) > Search first: ClinVar, OMIM, PubMed, ClinGen
  • Expressivity (variable, consistent) > Search first: OMIM, ClinVar, PubMed
  • Genetic anticipation (increasing severity in successive generations) > Search first: OMIM, PubMed (especially for repeat expansion disorders)
  • Germline mosaicism > Search first: ClinVar, OMIM, genetic counseling literature, PubMed
  • Founder effects (population-specific mutations) > Search first: gnomAD, population genetics databases, PubMed
  • Consanguinity role > Search first: OMIM, population studies, genetic counseling resources
  • Carrier frequency > Search first: gnomAD, carrier screening databases, GeneReviews, GTR
  • Population Demographics:
  • Affected populations (ethnic or demographic groups with higher prevalence) > Search first: gnomAD, 1000 Genomes, PAGE Study, PubMed, population registries
  • Geographic distribution (endemic areas, regional variation) > Search first: WHO, CDC, GBD, Orphanet, geographic epidemiology databases
  • Geographic distribution of specific variants
  • Sex ratio (male:female) > Search first: Disease registries, OMIM, PubMed, epidemiological databases
  • Age distribution of affected individuals > Search first: CDC, disease registries, SEER, Orphanet

10. Diagnostics

  • Clinical Tests:
  • Laboratory tests (blood, urine, tissue chemistry, specific enzyme assays) > Search first: LOINC, LabTests Online, PubMed
  • Biomarkers (proteins, metabolites, genetic markers, circulating biomarkers) > Search first: FDA Biomarker List, BEST (Biomarkers, EndpointS, and other Tools), PubMed
  • Imaging studies (X-ray, CT, MRI, PET, ultrasound) > Search first: RadLex, DICOM, Radiopaedia, imaging databases
  • Functional tests (pulmonary function, cardiac stress tests) > Search first: LOINC, clinical guidelines, PubMed
  • Electrophysiology (EEG, EMG, ECG, nerve conduction studies) > Search first: LOINC, clinical neurophysiology databases, PubMed
  • Biopsy findings (histopathology, immunohistochemistry) > Search first: SNOMED CT, College of American Pathologists resources, PubMed
  • Pathology findings (microscopic examination) > Search first: SNOMED CT, Digital Pathology databases, PubMed
  • Genetic Testing:

    Search first: GTR (Genetic Testing Registry), GeneReviews, ClinGen

  • Overview of recommended genetic testing approach
  • Whole genome sequencing (WGS) utility > Search first: GTR, ClinVar, GEL (Genomics England), gnomAD
  • Whole exome sequencing (WES) utility > Search first: GTR, ClinVar, OMIM, GeneMatcher
  • Gene panels (which panels, which genes) > Search first: GTR, ClinVar, laboratory-specific databases
  • Single gene testing > Search first: GTR, ClinVar, OMIM, GeneReviews
  • Chromosomal microarray (CMA) > Search first: DECIPHER, ClinVar, dbVar, ECARUCA
  • Karyotyping > Search first: Chromosome Abnormality Database, ClinVar, cytogenetics resources
  • FISH > Search first: ClinVar, cytogenetics databases, PubMed
  • Mitochondrial DNA testing > Search first: MITOMAP, MSeqDR, ClinVar, GTR
  • Repeat expansion testing > Search first: GTR, ClinVar, repeat expansion databases, PubMed
  • Omics-Based Diagnostics (if applicable):
  • RNA sequencing / transcriptomics > Search first: GEO, ArrayExpress, GTEx, RNA-seq databases
  • Proteomics > Search first: PRIDE, ProteomeXchange, FDA Biomarker database
  • Metabolomics > Search first: MetaboLights, Metabolomics Workbench, HMDB
  • Epigenomics > Search first: GEO, ENCODE, Roadmap Epigenomics, MethBase
  • Liquid biopsy > Search first: COSMIC, ClinVar, liquid biopsy databases, PubMed
  • Clinical Criteria:
  • Standardized diagnostic criteria (DSM, ICD, society guidelines) > Search first: DSM-5, ICD-11, clinical society guidelines, UpToDate
  • Differential diagnosis (other conditions to rule out, with distinguishing features) > Search first: DynaMed, UpToDate, clinical decision support systems
  • Screening:
  • Screening methods for asymptomatic individuals (newborn screening, carrier screening, cascade screening) > Search first: ACMG recommendations, CDC newborn screening, GTR

11. Outcome/Prognosis

  • Survival and Mortality:
  • Survival rate (5-year, 10-year, overall) > Search first: SEER, cancer registries, disease-specific registries, PubMed
  • Life expectancy (with and without treatment if applicable) > Search first: Orphanet, disease registries, actuarial databases, PubMed
  • Mortality rate > Search first: CDC, WHO, GBD, national mortality databases
  • Disease-specific mortality (deaths directly attributable to disease) > Search first: Disease registries, CDC Wonder, GBD, PubMed
  • Morbidity and Function:
  • Morbidity (disease-related disability and health impacts) > Search first: GBD, WHO, disability databases, PubMed
  • Disability outcomes (long-term functional impairments) > Search first: ICF (International Classification of Functioning), disability registries
  • Quality of life measures (EQ-5D, SF-36, PROMIS, disease-specific tools) > Search first: EQ-5D database, SF-36, PROMIS, PubMed
  • Disease Course:
  • Complications (secondary problems: infections, organ failure, etc.) > Search first: ICD codes, disease registries, clinical databases, PubMed
  • Recovery potential (likelihood and extent of recovery, with vs without treatment) > Search first: Natural history studies, rehabilitation databases, PubMed
  • Prediction:
  • Prognostic factors (age, disease severity, biomarkers, treatment response) > Search first: Prognostic models databases, clinical calculators, PubMed
  • Prognostic biomarkers (molecular markers predicting disease course) > Search first: FDA Biomarker database, PubMed, cancer prognostic databases

12. Treatment

  • Pharmacotherapy:
  • Pharmacological treatments (drug names, drug classes, mechanisms of action) > Search first: DrugBank, RxNorm, ATC classification, DailyMed, FDA databases
  • Pharmacogenomics (how genetic variants affect drug metabolism, efficacy, toxicity) > Search first: PharmGKB, CPIC (Clinical Pharmacogenetics), FDA Table of PGx Biomarkers
  • Advanced Therapeutics:
  • Gene therapy (viral vectors, CRISPR, gene replacement, gene editing) > Search first: ClinicalTrials.gov, FDA gene therapy database, ASGCT resources
  • Cell therapy (stem cell transplant, CAR-T, cellular therapeutics) > Search first: ClinicalTrials.gov, FDA cell therapy database, FACT standards
  • RNA-based therapies (ASOs, siRNA, mRNA therapies) > Search first: ClinicalTrials.gov, FDA approvals, PubMed
  • Targeted therapies (treatments directed at specific molecular targets) > Search first: My Cancer Genome, OncoKB, ClinicalTrials.gov, FDA approvals
  • Immunotherapies (checkpoint inhibitors, monoclonal antibodies) > Search first: Cancer Immunotherapy Database, FDA approvals, ClinicalTrials.gov
  • Surgical and Interventional:
  • Surgical interventions (types of surgery, timing, outcomes) > Search first: CPT codes, surgical registries, clinical guidelines, PubMed
  • Supportive and Rehabilitative:
  • Supportive care (symptom management, pain control, nutrition) > Search first: Clinical guidelines, Cochrane Library, PubMed
  • Rehabilitation (physical therapy, occupational therapy, speech therapy) > Search first: Rehabilitation medicine databases, clinical guidelines, PubMed
  • Experimental:
  • Experimental treatments in clinical trials (with NCT identifiers if available) > Search first: ClinicalTrials.gov, EU Clinical Trials Register, WHO ICTRP
  • Treatment Outcomes:
  • Treatment response rates > Search first: Clinical trial databases, FDA reviews, systematic reviews, PubMed
  • Side effects and adverse events > Search first: FDA Adverse Event Reporting System (FAERS), MedWatch, PubMed
  • Treatment Strategy:
  • Treatment algorithms (clinical pathways, decision trees) > Search first: Clinical practice guidelines, NCCN Guidelines, UpToDate
  • Combination therapies > Search first: ClinicalTrials.gov, treatment guidelines, PubMed
  • Personalized medicine approaches (genotype-guided treatment) > Search first: My Cancer Genome, CIViC, PharmGKB, precision medicine databases

For each treatment, suggest MAXO (Medical Action Ontology) terms where applicable.

13. Prevention

  • Prevention Levels:
  • Primary prevention (preventing disease occurrence: vaccination, risk factor modification) > Search first: CDC, WHO, USPSTF recommendations, Cochrane Library
  • Secondary prevention (early detection and treatment: screening programs, early intervention) > Search first: USPSTF, CDC screening guidelines, WHO
  • Tertiary prevention (preventing complications in those with disease) > Search first: Clinical guidelines, disease management protocols, PubMed
  • Immunization: Vaccine strategies (if applicable)

    Search first: CDC vaccine schedules, WHO immunization, FDA vaccine database

  • Screening and Early Detection:
  • Screening programs (population-based: newborn screening, cancer screening) > Search first: CDC screening programs, USPSTF, cancer screening databases
  • Genetic screening (carrier screening, preimplantation genetic diagnosis, prenatal testing) > Search first: ACMG recommendations, ACOG guidelines, GTR
  • Risk stratification (identifying high-risk individuals for targeted prevention) > Search first: Risk prediction models, clinical calculators, PubMed
  • Behavioral Interventions: Lifestyle modifications to reduce risk

    Search first: CDC, WHO, behavioral intervention databases, Cochrane Library

  • Counseling: Genetic counseling (risk assessment, family planning guidance)

    Search first: NSGC resources, ACMG guidelines, GeneReviews

  • Public Health:
  • Public health interventions (sanitation, vector control, health education) > Search first: CDC, WHO, public health databases, PubMed
  • Environmental interventions (reducing environmental risk factors) > Search first: EPA databases, WHO environmental health, PubMed
  • Prophylaxis: Preventive medications or procedures

    Search first: Clinical guidelines, FDA approvals, PubMed

14. Other Species / Natural Disease

  • Taxonomy: Species affected (with NCBI Taxon identifiers)

    Search first: NCBI Taxonomy

  • Breed: Specific breeds affected (with VBO identifiers if applicable)

    Search first: VBO (Vertebrate Breed Ontology)

  • Gene: Orthologous genes in other species (with NCBI Gene IDs)

    Search first: NCBI Gene

  • Natural Disease:
  • Naturally occurring disease in other species (companion animals, wildlife) > Search first: OMIA (Online Mendelian Inheritance in Animals), VetCompass, PubMed
  • Veterinary relevance and importance in animal health > Search first: OMIA, veterinary databases, PubMed
  • Comparative Biology:
  • Comparative pathology (similarities and differences across species) > Search first: OMIA, comparative pathology databases, PubMed
  • Evolutionary conservation of disease mechanisms > Search first: HomoloGene, OrthoMCL, Alliance of Genome Resources
  • Transmission (if applicable):
  • Zoonotic potential > Search first: CDC zoonotic diseases, WHO zoonoses, GIDEON
  • Cross-species susceptibility > Search first: NCBI Taxonomy, veterinary databases, PubMed

15. Model Organisms

  • Model Types:
  • Model organism type (mammalian, invertebrate, cellular, in vitro) > Search first: Alliance of Genome Resources, model organism databases
  • Specific model systems (mouse, rat, zebrafish, Drosophila, C. elegans, yeast, cell lines, organoids, iPSCs) > Search first: MGI, RGD, ZFIN, FlyBase, WormBase, SGD, ATCC, Cellosaurus
  • Induced models (drug treatment, surgical intervention, environmental manipulation) > Search first: MGI, model organism databases, PubMed
  • Genetic Models:
  • Types available (knockout, knock-in, transgenic, conditional, humanized) > Search first: MGI, IMPC, KOMP, EuMMCR, IMSR
  • Model Characteristics:
  • Phenotype recapitulation (how well model reproduces human disease features) > Search first: Model organism databases, comparative studies, PubMed
  • Model limitations (aspects of human disease not captured) > Search first: Model organism databases, PubMed, review articles
  • Applications:
  • Research applications (what aspects of disease can be studied) > Search first: Model organism databases, PubMed
  • Resources:
  • Model databases > Search first: MGI, RGD, ZFIN, FlyBase, WormBase, IMSR, EMMA, MMRRC

Citation Requirements

  • Cite primary literature (PMID preferred) for all mechanistic and clinical claims
  • Prioritize recent reviews and landmark papers
  • Include direct quotes from abstracts where possible to support key statements
  • Distinguish evidence source types: human clinical, model organism, in vitro, computational

Output Format

Structure your response as a comprehensive narrative organized by the sections above. For each section, provide: - Factual content with specific details (numbers, percentages, gene names, variant nomenclature) - Ontology term suggestions (HPO, GO, CL, UBERON, CHEBI, MAXO, MONDO) where applicable - Evidence citations with PMIDs - Direct quotes from abstracts to support key claims - Clear indication when information is not available or not applicable for this disease

This report will be used to populate a disease knowledge base entry with: - Pathophysiology descriptions with causal chains - Gene/protein annotations (HGNC, GO terms) - Phenotype associations (HP terms) with frequencies - Cell type involvement (CL terms) - Anatomical locations (UBERON terms) - Chemical entities (CHEBI terms) - Treatment annotations (MAXO terms) - Evidence items with PMIDs and exact abstract quotes - Epidemiology, prognosis, diagnostic, and prevention information - Animal model descriptions with phenotype recapitulation details

Fallopian Tube Cancer (FTC) — Comprehensive Disease Characteristics Report (2023–2024 prioritized)

Target disease and scope

Fallopian tube cancer (FTC) is a malignant epithelial neoplasm arising in the fallopian tube and is frequently managed in contemporary practice together with epithelial ovarian cancer and primary peritoneal carcinoma because of shared histotypes (especially high‑grade serous carcinoma, HGSC), overlapping pathogenesis, staging, and systemic therapy approaches. (colombi2024tubalcancerclinical pages 12-14, liu2023managementofadvanced pages 1-2, liu2024nccnguidelines®insights pages 1-3)

Evidence source types in this report: (i) human clinical (SEER population registry; guidelines; clinical trials), (ii) human pathology/omics (fimbrial precursor lesion studies), (iii) in vitro/ex vivo models (3D spheroids, organoids), and (iv) curated knowledge graph (Open Targets). (liu2023lymphadenectomyandoptimal pages 2-4, liu2024nccnguidelines®insights pages 4-6, wisztorski2023fallopiantubelesions pages 1-2, tomas2023insightsintohighgrade pages 6-7, OpenTargets Search: Fallopian tube carcinoma,Fallopian tube cancer)


1. Disease information

1.1 Definition and overview

FTC is a rare gynecologic malignancy; historically many pelvic HGSCs were classified as “ovarian,” but increasing evidence supports a distal/fimbrial fallopian tube origin for many HGSCs via precursor lesions such as serous tubal intraepithelial carcinoma (STIC). (colombi2024tubalcancerclinical pages 9-11, colombi2024tubalcancerclinical pages 12-14)

A current practical definition for knowledge-base use is: FTC is an epithelial malignancy arising in the fallopian tube (often HGSC) that is staged and treated using combined ovarian/fallopian tube/primary peritoneal cancer frameworks. (colombi2024tubalcancerclinical pages 12-14, liu2024nccnguidelines®insights pages 1-3)

1.2 Key identifiers and ontologies (available in retrieved sources)

  • MONDO: fallopian tube cancer MONDO_0002158 (via Open Targets disease entity list). (OpenTargets Search: Fallopian tube carcinoma,Fallopian tube cancer)
  • MONDO (related parent): fallopian tube neoplasm MONDO_0021092 (via Open Targets). (OpenTargets Search: Fallopian tube carcinoma,Fallopian tube cancer)
  • MeSH: Fallopian Tube Neoplasms D005185 (from ClinicalTrials.gov MeSH condition browsing). (NCT04034927 chunk 4, NCT03943173 chunk 3)
  • ICD-10/ICD-11 / Orphanet / OMIM: not available in the retrieved full-text evidence; these would require direct lookup in the respective coding systems. (colombi2024tubalcancerclinical pages 12-14, turashvili2024protocolforthe pages 1-5)

1.3 Common synonyms/alternative names

  • Primary fallopian tube cancer (PFTC) (liu2023lymphadenectomyandoptimal pages 1-2)
  • Fallopian tube carcinoma / tubal carcinoma (colombi2024tubalcancerclinical pages 18-20)
  • High-grade serous carcinoma of tubal origin / tubo‑ovarian HGSC (contextual usage in guidelines and pathology protocols). (colombi2024tubalcancerclinical pages 12-14, turashvili2024protocolforthe pages 1-5)

1.4 Aggregated vs individual patient sources

  • Aggregated: SEER registry analyses; guideline reviews; pathology protocols (liu2023lymphadenectomyandoptimal pages 2-4, turashvili2024protocolforthe pages 1-5)
  • Individual-level clinical detail (case examples within reviews) used illustratively (e.g., CA‑125 changes, treatment course). (colombi2024tubalcancerclinical pages 14-16)

2. Etiology

2.1 Primary causal factors and current mechanistic model

Key concept: a substantial fraction of HGSC (classified clinically across ovary/tube/peritoneum) is believed to originate from fallopian tube epithelium (FTE), particularly the distal fimbria/tubal‑peritoneal junction, progressing through precursor lesions.

A widely used lesion sequence is p53 signature → STIL → STIC → HGSC, with TP53 abnormalities central early events. (wisztorski2023fallopiantubelesions pages 2-3, wisztorski2023fallopiantubelesions pages 18-19)

Mechanistic exposures proposed to contribute include DNA damage from ovulatory follicular fluid, including reactive oxygen species and genotoxic substances, with acceleration in genetically predisposed hosts (e.g., BRCA1/2). (colombi2024tubalcancerclinical pages 9-11)

2.2 Risk factors

Genetic risk factors (high-confidence)

  • BRCA1/BRCA2: major inherited susceptibility genes for tubo‑ovarian/peritoneal carcinoma risk; a 2024 review summarizes lifetime risks of ~35–45% for BRCA1 and ~10–20% for BRCA2. (gootzen2024riskreducingsalpingectomywith pages 1-2)
  • Other homologous recombination genes: RAD51C/RAD51D, BRIP1, PALB2 are described as moderate‑risk genes for epithelial ovarian/tubal/peritoneal cancer in a 2024 prevention review. (gootzen2024riskreducingsalpingectomywith pages 1-2)

Clinical/demographic risk indicators (from tubal cancer review)

Reported risk indicators included postmenopausal status, and clinical findings used for suspicion such as elevated CA‑125 and abnormal transvaginal ultrasound (TVUS). (colombi2024tubalcancerclinical pages 18-20)

Precursor-lesion associated risk

STIC is rare in the general population (<0.1%) but more frequent in high‑risk women (~2.3%); progression estimates reported in high‑risk cohorts include ~10% progression to invasive serous carcinoma and ~4.5% progression from isolated STIC to primary peritoneal cancer in BRCA carriers. (colombi2024tubalcancerclinical pages 9-11)

2.3 Protective factors

  • Risk-reducing salpingo‑oophorectomy (RRSO): A 2024 review reports RRSO decreases epithelial ovarian/tubal/peritoneal cancer risk by ~80–96% when done within guideline age windows. (gootzen2024riskreducingsalpingectomywith pages 1-2)
  • Tubal sterilization / salpingectomy during benign pelvic surgery (opportunistic salpingectomy) are discussed as risk-reducing strategies in contemporary reviews, reflecting the tubal origin hypothesis. (colombi2024tubalcancerclinical pages 9-11)
  • PLCO-derived associations cited within a 2024 tubal-cancer review include reduced type 2 ovarian cancer risk with tubal ligation and oral contraceptive use (reported as associations rather than causal proof). (colombi2024tubalcancerclinical pages 3-5)

2.4 Gene–environment interactions

A plausible interaction highlighted in recent reviews is that BRCA1/2 dysfunction (inherited or epigenetically inactivated) may amplify susceptibility to ovulation-associated DNA damage and related mutagenesis/epigenetic changes in FTE. (colombi2024tubalcancerclinical pages 9-11)


3. Phenotypes (clinical presentation)

FTC is often clinically nonspecific. A 2024 tubal cancer review reports presentations including vaginal discharge, abnormal uterine bleeding, and pelvic pain; the classic Latzko triad is rare (~10%). (colombi2024tubalcancerclinical pages 18-20)

Imaging phenotype (supportive, not diagnostic): enlarged irregular “sausage‑like” fallopian tube with papillary projections and increased vascularity on Doppler; MRI may show T2 hyperintense/T1 hypointense solid signal components. (colombi2024tubalcancerclinical pages 11-12)

Suggested HPO terms (mapping suggestions)

(These are ontology mappings for knowledge-base use; the underlying symptom claims are supported above.) - Pelvic pain — HP:0030240 - Abnormal uterine bleeding — HP:0001892 - Vaginal discharge — HP:0000827 - Pelvic mass — HP:0000152 (or related “abdominal mass”) - Elevated CA‑125 — (no HPO term universally used; often annotated via laboratory ontology; see Diagnostics)

Quality of life impacts

QoL impacts are driven by nonspecific pelvic/abdominal symptoms and by treatment; prevention strategies that delay oophorectomy are being pursued partly to reduce premature menopause burden and improve menopause-related quality of life. (gootzen2024riskreducingsalpingectomywith pages 1-2)


4. Genetic / molecular information

4.1 Causal/susceptibility genes (germline)

Key inherited susceptibility genes summarized in 2024 prevention literature include BRCA1, BRCA2, RAD51C, RAD51D, BRIP1, PALB2. (gootzen2024riskreducingsalpingectomywith pages 1-2)

4.2 Somatic alterations and lineage markers

TP53 abnormality is central to STIC/HGSC biology; STIC diagnosis uses aberrant p53 immunostaining patterns and elevated proliferative index (Ki‑67). (colombi2024tubalcancerclinical pages 12-14, wisztorski2023fallopiantubelesions pages 2-3)

A 2023 proteomic review of precursor lesions notes that precursor lesions are identified using IHC patterns including p53 and Ki‑67, and supports the fimbrial origin model. (wisztorski2023fallopiantubelesions pages 1-2)

4.3 Pathogenic variants and classification

Specific variant-level ClinVar/ACMG assertions and allele frequencies were not available in retrieved full text; therefore, variant granularity (e.g., c. nomenclature, gnomAD frequencies) cannot be reliably populated from this evidence set. (gootzen2024riskreducingsalpingectomywith pages 1-2)

4.4 Epigenetic information (emerging)

A 2023 proteomic/lipidomic study reports early premalignant epigenetic reprogramming in BRCA carriers and highlights aberrantly high AICDA (AID) expression as an early premalignant event (in their model discussion). (wisztorski2023fallopiantubelesions pages 18-19)

4.5 Molecular profiling (proteomics/lipidomics; 2023)

Wisztorski et al. (Cell Death & Disease, Sep 2023, DOI: 10.1038/s41419-023-06165-5) performed spatially resolved proteomics and lipidomics on fimbrial lesions (p53 signature, STIL, STIC) and concluded their findings “confirm the fimbria origin of HGSC.” (wisztorski2023fallopiantubelesions pages 1-2)

Key definitions of lesions from this work include: - p53 signature: ~10–20 epithelial cells with p53 staining consistent with TP53 missense mutation and low proliferation. (wisztorski2023fallopiantubelesions pages 2-3) - STIL: p53 accumulation in >20 cells, some morphological abnormalities, Ki‑67 ~10–40%. (wisztorski2023fallopiantubelesions pages 2-3) - STIC: architectural/nuclear atypia, TP53 mutations and high proliferative activity. (wisztorski2023fallopiantubelesions pages 2-3)

Selected omics markers reported: - Proteins/markers: CAVIN1, EMILIN2, FBLN5 (lesion-associated markers) and additional proteins distinguishing lesion types (e.g., RBM10 for p53 signature; GNS, UBTF, ATAD3A/B for STIC). (wisztorski2023fallopiantubelesions pages 1-2, wisztorski2023fallopiantubelesions pages 15-17) - Lipid signatures: phospholipid and triglyceride features distinguishing lesion types (e.g., PS (22:1/20:1), PS (22:0/20:0); PE(P‑18:0/22:4); TG (16:0/18:1/20:4); PC(P‑16:0/22:6); DG (37:6)). (wisztorski2023fallopiantubelesions pages 18-19)

Suggested GO (biological process) terms

(ontology mapping suggestions aligned to supported mechanisms) - DNA damage response — GO:0006974 - Homologous recombination — GO:0035825 - Cell cycle regulation — GO:0051726 - Epithelial cell proliferation — GO:0050673 - Extracellular vesicle/exosome biogenesis — (supported as enriched in STIC proteomics narrative) (wisztorski2023fallopiantubelesions pages 15-17)

Suggested CL (cell type) terms

  • Secretory epithelial cell of fallopian tube — (CL mapping dependent on ontology version; secretory/non-ciliated FTE emphasized in STIC origin discussions). (sai2023theroleof pages 1-2)
  • Ciliated epithelial cell of fallopian tube (for normal control context) (tomas2023insightsintohighgrade pages 6-7)

5. Environmental information

Direct, high-confidence environmental toxin associations specific to FTC were not present in the retrieved sources. Mechanistic hypotheses emphasize ovulation-related oxidative/genotoxic stress affecting tubal epithelium. (colombi2024tubalcancerclinical pages 9-11)

Potential infectious contribution remains investigational; a 2024 study examined HPV DNA in fallopian tube/tumor tissues in epithelial ovarian cancer cohorts (not FTC-specific) but this is insufficient to assert causality for FTC. (paradowska2024humanpapillomavirusinfection listed in searches; not evidentially extracted here)


6. Mechanism / pathophysiology (causal chain)

6.1 Upstream → downstream chain (current understanding)

1) Upstream triggers: ovulation-associated inflammatory/oxidative/genotoxic exposures to distal FTE; inherited HR repair defects (e.g., BRCA1/2) amplify vulnerability. (colombi2024tubalcancerclinical pages 9-11) 2) Early molecular lesion: TP53-abnormal clones appearing as “p53 signatures” (non-invasive). (wisztorski2023fallopiantubelesions pages 2-3) 3) Intermediate lesion: STIL (increased p53-positive cells, modest proliferation). (wisztorski2023fallopiantubelesions pages 2-3) 4) Preinvasive carcinoma: STIC (cytologic atypia, high proliferation, abnormal p53). (colombi2024tubalcancerclinical pages 12-14, wisztorski2023fallopiantubelesions pages 2-3) 5) Invasion and dissemination: STIC/HGSC cells detach, disseminate transcoelomically, and seed ovary/peritoneum; proteomic features suggest reduced adhesion/extracellular organization and increased extracellular vesicle/exosome proteins, consistent with mobility and microenvironmental remodeling. (wisztorski2023fallopiantubelesions pages 15-17, colombi2024tubalcancerclinical pages 9-11)

6.2 Cell types and tissue context

The distal fimbria/tubal-peritoneal junction is emphasized as a cancer-prone transition zone, and precursor lesions arise from FTE secretory cells. (wisztorski2023fallopiantubelesions pages 1-2, sai2023theroleof pages 1-2)


7. Anatomical structures affected

Organ/tissue localization

  • Primary site: Fallopian tube (UBERON:0003889; mapping suggestion)
  • High‑grade serous carcinogenesis often emphasizes fimbrial end (distal tube; UBERON mapping suggestion)
  • Secondary sites due to dissemination: ovary, peritoneum/omentum (by shared disease entity and metastasis models). (colombi2024tubalcancerclinical pages 12-14, tomas2023insightsintohighgrade pages 4-6)

Subcellular components (GO CC suggestions)

  • Nucleus (TP53 signaling) — GO:0005634
  • DNA repair foci (HRD context) — GO:0005813/related DNA repair complexes (mapping depends on annotation needs)

8. Temporal development

Onset

Typical clinical diagnosis is in adults, often postmenopausal; precursor lesions (STIC) may be found incidentally during risk-reducing surgery in high-risk patients. (colombi2024tubalcancerclinical pages 18-20, gootzen2024riskreducingsalpingectomywith pages 1-2)

Progression

A 2024 review notes an estimated ~7-year progression from STIC to invasive carcinoma (approximate estimate; evidence limited). (colombi2024tubalcancerclinical pages 11-12)


9. Inheritance and population

Epidemiology

FTC is rare; a 2023 SEER-based paper notes PFTC comprises approximately 0.14–1.8% of female genital malignancies. (liu2023lymphadenectomyandoptimal pages 1-2)

A SEER analysis in elderly women (≥65 years; 1975–2020) reported fallopian tube cancers as 1.8% (n=1,971) of gynecologic cancer cases in that age-restricted cohort. (priyadarshini2024trendsingynecological pages 2-4)

Inheritance patterns

The disease is not inherited as a Mendelian “FTC” trait, but susceptibility is increased by autosomal-dominant cancer predisposition syndromes (e.g., BRCA1/2-associated hereditary breast/ovarian cancer). (gootzen2024riskreducingsalpingectomywith pages 1-2)


10. Diagnostics

10.1 Clinical tests and biomarkers

  • CA‑125 and TVUS are used clinically but may be normal in STIC; one report summarized that CA‑125 and TVUS were normal in all patients diagnosed with STIC, highlighting limitations of these tools for preinvasive detection. (colombi2024tubalcancerclinical pages 18-20)

10.2 Imaging

Ultrasound/MRI patterns described above can support suspicion but are not specific. (colombi2024tubalcancerclinical pages 11-12)

10.3 Pathology and IHC

  • SEE‑FIM protocol (Sectioning and Extensively Examining the FIMbriated End) is recommended to thoroughly sample fimbria where many HGSC/STIC lesions are found. (colombi2024tubalcancerclinical pages 12-14)
  • STIC diagnostic criteria include cytologic atypia with abnormal p53 staining and Ki‑67 >10% described as abnormal in a 2024 review summary. (colombi2024tubalcancerclinical pages 12-14)

Visual evidence: A figure from Colombi et al. (2024) depicts STIC and p53 immunostaining supporting the tubal origin model. (colombi2024tubalcancerclinical media 95ad2a45)

Differential diagnosis

Not explicitly enumerated in retrieved evidence; in practice includes tubo-ovarian inflammatory disease, benign tubal lesions, and ovarian/peritoneal primary tumors—however, differential-specific criteria should be sourced from dedicated gynecologic pathology references not retrieved here.


11. Outcome / prognosis

Population-based survival/prognostic factors (SEER; 2023)

Liu et al. (BMC Women’s Health, Dec 2023, DOI: 10.1186/s12905-023-02833-y) analyzed early-stage PFTC (FIGO I–II; n=1,949) and reported: - Overall 3-/5-year CSS: 91.1% / 86.1%; 3-/5-year OS: 88.0% / 81.3%. (liu2023lymphadenectomyandoptimal pages 2-4) - With lymphadenectomy (LD): 3-/5-year CSS: 93.0% / 88.7%; OS: 90.8% / 85.4%. (liu2023lymphadenectomyandoptimal pages 2-4) - Without LD: 3-/5-year CSS: 87.2% / 80.7%; OS: 82.4% / 72.9%. (liu2023lymphadenectomyandoptimal pages 2-4) - LD associated with improved mean CSS and OS and was an independent protective factor; an examined lymph node cut-off >11 was associated with better outcomes. (liu2023lymphadenectomyandoptimal pages 1-2, liu2023lymphadenectomyandoptimal pages 2-4)

Prognostic significance of STIC

A 2024 review summarized substantial longer-term risk in BRCA-mutated patients with STIC: subsequent HGSC risk reported as 10.5% at 5 years and 27.5% at 10 years vs 0.3% and 0.9% after adnexectomy without STIC (as reported in the review’s source synthesis). (colombi2024tubalcancerclinical pages 11-12)


12. Treatment

12.1 Standard-of-care principles (managed like epithelial ovarian cancer)

Major reviews and NCCN-related materials describe FTC management within the ovarian/fallopian tube/primary peritoneal cancer framework: surgical staging and cytoreduction (primary debulking when feasible) plus systemic therapy; neoadjuvant chemotherapy with interval debulking when primary optimal cytoreduction is not feasible. (colombi2024tubalcancerclinical pages 14-16, liu2023managementofadvanced pages 1-2)

12.2 First-line systemic therapy and maintenance (key developments emphasized in 2023–2024)

Key concept: homologous recombination deficiency (HRD), including BRCA1/2 alterations, is a major predictive biomarker for PARP inhibitor benefit.

  • NCCN 2024 Insights describe maintenance decision-making by BRCA status, HRD testing, response to platinum chemotherapy, and prior bevacizumab exposure; HRD testing is recommended for non-gBRCA patients though assays are imperfect. (liu2024nccnguidelines®insights pages 4-6)
  • NCCN 2024 Insights summarize pivotal trial results including SOLO‑1 and PRIMA:
  • SOLO‑1: 3-year freedom from progression/death 69% vs 35%; 7-year survival 67% vs 46% with olaparib maintenance vs placebo in BRCA-mutated populations (as summarized). (liu2024nccnguidelines®insights pages 3-4)
  • PRIMA (niraparib): HRD subgroup median PFS 21.9 vs 10.4 months (as summarized). (liu2024nccnguidelines®insights pages 3-4)

12.3 Recurrent disease updates and safety/regulatory changes

A 2023 NCCN-focused review notes that several recurrent-setting PARP inhibitor indications were withdrawn/restricted based on overall survival concerns and evolving risk-benefit profiles. (liu2023managementofadvanced pages 2-3, liu2023managementofadvanced pages 3-4)

12.4 Targeted therapy in platinum-resistant disease (real-world implementation)

Mirvetuximab soravtansine (FRα/FOLR1-targeting antibody–drug conjugate) is described as approved for FRα-high, platinum-resistant recurrent ovarian cancer; a 2023 NCCN-focused update cited objective response rates of ~32–38% in SORAYA-era data summaries. (liu2023managementofadvanced pages 3-4)

12.5 Relevant ongoing clinical trials (examples from retrieved ClinicalTrials.gov data)

  • NCT07472140: PARP inhibitor ± angiogenesis inhibitor in HRD primary ovarian/fallopian tube/primary peritoneal cancer (recruiting). (clinical trials list in search results)
  • NCT04034927: tremelimumab + olaparib in recurrent ovarian/fallopian tube/peritoneal cancer (active not recruiting). (NCT04034927 chunk 4)

MAXO term suggestions (treatment actions)

  • Cytoreductive surgery — MAXO: (mapping suggestion)
  • Platinum-based chemotherapy — MAXO: (mapping suggestion)
  • PARP inhibitor therapy — MAXO: (mapping suggestion)
  • Anti‑VEGF therapy (bevacizumab) — MAXO: (mapping suggestion)
  • Antibody–drug conjugate therapy (mirvetuximab) — MAXO: (mapping suggestion)

13. Prevention

13.1 Screening (secondary prevention) — evidence summary

A large randomized trial (UKCTOCS; summarized in a 2024 review) reported no significant reduction in ovarian or tubal cancer mortality with multimodal screening (CA‑125 algorithm) or annual ultrasound compared with no screening over ~16.3 years, despite multimodal screening detecting more early-stage cancers. (colombi2024tubalcancerclinical pages 9-11)

13.2 Primary prevention in high-risk individuals

  • RRSO: guideline age windows summarized in a 2024 review: BRCA1 35–40, BRCA2 40–45, RAD51C/D or BRIP1 45–50; risk reduction ~80–96%. (gootzen2024riskreducingsalpingectomywith pages 1-2)
  • Risk-reducing salpingectomy with delayed oophorectomy (RRS with DO) is being studied as an alternative to mitigate menopause harms while leveraging evidence that many cancers originate in the tube; multiple prospective studies are enrolling. (gootzen2024riskreducingsalpingectomywith pages 1-2)

13.3 Opportunistic salpingectomy (average risk)

Opportunistic salpingectomy during benign pelvic surgery is widely discussed as a prevention strategy aligned to the tubal origin hypothesis; however, quantitative long-term cancer-incidence effect sizes were not present in the retrieved excerpts and should be sourced from dedicated population-based effectiveness studies or guideline evidence tables not retrieved here. (colombi2024tubalcancerclinical pages 9-11)


14. Other species / natural disease

No evidence for naturally occurring FTC in non-human species was retrieved in the current corpus; this section cannot be populated without veterinary oncology sources.


15. Model organisms and experimental model systems

A 2023 review (Tomas & Shepherd, Journal of Ovarian Research, Apr 2023, DOI: 10.1186/s13048-023-01145-x) details widely used experimental systems for fallopian tube–origin HGSC biology: - 3D suspension spheroids to model transcoelomic dissemination, dormancy, hypoxia/metabolic stress, and chemotherapy resistance; notably, “dormancy cannot be observed within 2D culture systems.” (tomas2023insightsintohighgrade pages 3-4) - Patient-derived organoids (PDOs) that preserve genomic and transcriptomic features and enable ex vivo drug sensitivity testing (“organoid avatars”). (tomas2023insightsintohighgrade pages 6-7) - Organotypic and co-culture systems including mesothelial/omentum models to study adhesion, invasion, and microenvironment interactions. (tomas2023insightsintohighgrade pages 4-6, tomas2023insightsintohighgrade pages 7-9)

These models are used to interrogate mechanisms (adhesion, mesothelial clearance, autophagy, EMT), biomarker response prediction (HRD/PARP inhibitor response), and resistance evolution in clinically relevant contexts. (tomas2023insightsintohighgrade pages 4-6, tomas2023insightsintohighgrade pages 3-4)


Summary knowledge-base table

The following structured table consolidates the key points and quantitative data extracted from the evidence set.

Domain Key facts Quantitative data Best supporting sources
Identifiers Fallopian tube cancer is commonly managed as part of the combined clinical entity of ovarian/fallopian tube/primary peritoneal cancers in major guidelines and pathology protocols; MeSH term available for Fallopian Tube Neoplasms. MeSH: D005185; MONDO noted in Open Targets as fallopian tube cancer MONDO_0002158 and fallopian tube neoplasm MONDO_0021092. (NCT04034927 chunk 4, turashvili2024protocolforthe pages 1-5, liu2024nccnguidelines®insights pages 1-3, OpenTargets Search: Fallopian tube carcinoma,Fallopian tube cancer)
Synonyms Frequently used related names include primary fallopian tube cancer (PFTC), fallopian tube carcinoma, tubal carcinoma, and high-grade serous carcinoma of tubal origin; many HGSCs are classified with ovarian/peritoneal counterparts. No single frequency estimate provided. (colombi2024tubalcancerclinical pages 18-20, colombi2024tubalcancerclinical pages 12-14, liu2023managementofadvanced pages 1-2)
Etiology/Risk Strong hereditary risk from BRCA1/2 and other homologous-recombination genes; current model supports distal/fimbrial tubal origin of many HGSCs through precursor lesions (p53 signature → STIL → STIC → HGSC). Ovulatory follicular fluid, ROS, and DNA damage are implicated mechanistically. Postmenopausal status, family history, elevated CA125, and abnormal TVUS are reported risk indicators. Germline pathogenic variants in ~13.5% of EOC patients; lifetime ovarian/tubal/peritoneal cancer risk BRCA1 ~35–45%, BRCA2 ~10–20%; STIC prevalence <0.1% general population and ~2.3% in high-risk women. (gootzen2024riskreducingsalpingectomywith pages 1-2, colombi2024tubalcancerclinical pages 9-11, wisztorski2023fallopiantubelesions pages 18-19, wisztorski2023fallopiantubelesions pages 2-3)
Protective Tubal sterilization, bilateral salpingo-oophorectomy, and opportunistic/prophylactic salpingectomy are associated with reduced ovarian/fallopian tube cancer risk; oral contraceptives and tubal ligation were associated with reduced type 2 ovarian cancer risk in PLCO-derived analyses. RRSO reduces EOC risk by ~80–96% when performed within guideline ages; UKCTOCS hysterectomy with adnexal conservation showed 0.55% ovarian/tubal cancer incidence vs 0.59% with intact uterus (no significant difference). (gootzen2024riskreducingsalpingectomywith pages 1-2, colombi2024tubalcancerclinical pages 9-11, colombi2024tubalcancerclinical pages 8-9, colombi2024tubalcancerclinical pages 3-5)
Key phenotypes Typical presentation includes vaginal discharge, abnormal uterine bleeding, pelvic/abdominal pain, adnexal/pelvic mass; classic Latzko triad is uncommon. Tubes are often enlarged and sausage-like on imaging; disease may be asymptomatic in precursor stages. Latzko triad in ~10%; 87–97% of lesions unilateral; mean tumor size ~5 cm. (colombi2024tubalcancerclinical pages 18-20, colombi2024tubalcancerclinical pages 11-12)
Molecular/Genes Molecular hallmarks center on TP53 abnormalities and homologous-recombination deficiency. BRCA1/2, RAD51C/D, BRIP1, PALB2 are inherited susceptibility genes. STIC diagnosis uses abnormal p53 pattern and elevated Ki-67; PAX8 is typically positive and calretinin negative in HGSC lineage. Proteomic/lipidomic lesion markers include CAVIN1, EMILIN2, FBLN5, FBL, PHGDH and specific phospholipids. STIL Ki-67 ~10–40%; abnormal Ki-67 in STIC workup >10%; serous papillary histology ~80%, endometrioid ~7%, clear cell ~2%. (colombi2024tubalcancerclinical pages 12-14, colombi2024tubalcancerclinical pages 18-20, gootzen2024riskreducingsalpingectomywith pages 1-2, wisztorski2023fallopiantubelesions pages 18-19, wisztorski2023fallopiantubelesions pages 1-2, wisztorski2023fallopiantubelesions pages 2-3, sai2023theroleof pages 1-2)
Diagnostics Diagnosis relies on pathology plus imaging and biomarkers. SEE-FIM is recommended for complete tubal examination, especially fimbria. STIC requires cytologic atypia with abnormal p53 IHC and raised proliferation. CA-125 and transvaginal ultrasound are used clinically but may be normal in STIC. MRI/US can show enlarged irregular cystic "sausage-like" tubes with papillary projections and vascularity. In one report, unique tubal lesions in 6.3% of high-risk cases; clinically occult cancer at bilateral salpingo-oophorectomy 2.6%; CA-125 may be normal in all STIC cases in some series. (colombi2024tubalcancerclinical pages 12-14, colombi2024tubalcancerclinical pages 11-12, colombi2024tubalcancerclinical pages 18-20, colombi2024tubalcancerclinical pages 9-11)
Epidemiology/Prognosis Rare malignancy that likely has been historically under-recognized due to reclassification with tubo-ovarian HGSC. In elderly SEER cohort it represented a small fraction of gynecologic cancers. Early-stage prognosis is better with lymphadenectomy; stage, grade, and histology are key prognostic factors. Isolated STIC carries measurable long-term risk of later HGSC/peritoneal carcinoma. PFTC ~0.14–1.8% of female genital malignancies; 1,971/112,192 (1.8%) of elderly gynecologic cancers in one SEER study; early-stage PFTC 3-/5-year CSS 91.1%/86.1% and OS 88.0%/81.3%; with lymphadenectomy CSS 93.0%/88.7% and OS 90.8%/85.4%; without lymphadenectomy CSS 87.2%/80.7% and OS 82.4%/72.9%; isolated STIC in BRCA carriers progressed to primary peritoneal cancer in 4.5%; subsequent HGSC risk 10.5% at 5 years and 27.5% at 10 years vs 0.3% and 0.9% without STIC. (liu2023lymphadenectomyandoptimal pages 1-2, liu2023lymphadenectomyandoptimal pages 2-4, priyadarshini2024trendsingynecological pages 2-4, colombi2024tubalcancerclinical pages 11-12)
Treatment Standard management follows epithelial ovarian cancer pathways: surgical staging/cytoreduction plus platinum-taxane chemotherapy; neoadjuvant chemotherapy with interval debulking is used when upfront complete cytoreduction is not feasible. PARP inhibitor maintenance is central, especially for BRCA-mutated/HRD tumors; bevacizumab remains an anti-angiogenic option; mirvetuximab soravtansine is used for FRα-high platinum-resistant disease. PARP maintenance examples: SOLO-1 3-year freedom from progression/death 69% vs 35%; 7-year survival 67% vs 46%; PRIMA HRD subgroup median PFS 21.9 vs 10.4 months; mirvetuximab ORR ~32–38% in SORAYA-era data. (colombi2024tubalcancerclinical pages 14-16, liu2023managementofadvanced pages 2-3, liu2024nccnguidelines®insights pages 4-6, liu2024nccnguidelines®insights pages 3-4, liu2023managementofadvanced pages 3-4, liu2023managementofadvanced pages 1-2, liu2024nccnguidelines®insights pages 1-3)
Prevention No screening strategy has shown mortality reduction in average-risk populations. UKCTOCS found no significant ovarian/tubal cancer mortality benefit for multimodal screening or ultrasound despite more early-stage detection with multimodal screening. Primary prevention relies on RRSO in high-risk carriers and increasing uptake of opportunistic salpingectomy; delayed oophorectomy strategies are under prospective study to reduce menopause burden. UKCTOCS follow-up ~16.3 years with no mortality reduction; RRSO age windows BRCA1 35–40, BRCA2 40–45, RAD51C/D or BRIP1 45–50; progression from STIC to invasive cancer estimated ~7 years. (colombi2024tubalcancerclinical pages 9-11, gootzen2024riskreducingsalpingectomywith pages 1-2, colombi2024tubalcancerclinical pages 11-12)
Models Current research models emphasize fallopian tube–origin HGSC biology using 3D suspension spheroids, fallopian tube epithelium organoids, patient-derived organoids, organotypic omentum/peritoneum co-cultures, microfluidic chips, and CRISPR-engineered mouse oviduct/OSE organoids. These systems recapitulate dormancy, autophagy, adhesion, mesothelial clearance, microenvironment interactions, and patient-specific drug response. No single prevalence metric; review highlights multiple complementary 3D model classes and short-term PDO/drug-avatar applications. (tomas2023insightsintohighgrade pages 6-7, tomas2023insightsintohighgrade pages 9-11, tomas2023insightsintohighgrade pages 1-3, tomas2023insightsintohighgrade pages 4-6, tomas2023insightsintohighgrade pages 7-9, tomas2023insightsintohighgrade pages 12-13, tomas2023insightsintohighgrade pages 3-4)

Table: This table summarizes key disease characteristics of fallopian tube cancer for knowledge-base use, including identifiers, etiology, phenotypes, molecular features, diagnostics, epidemiology, treatment, prevention, and models. It only includes facts supported by evidence retrieved in the conversation and points to the best supporting context IDs for each domain.


Key statistics and data points (rapid index)

  • Early-stage PFTC (SEER 2000–2018): 3-/5-year OS 88.0%/81.3%; LD associated with improved CSS/OS; ELN cutoff >11 linked to improved prognosis. (liu2023lymphadenectomyandoptimal pages 2-4)
  • STIC prevalence: <0.1% general population; ~2.3% high-risk women; isolated STIC in BRCA carriers progressed to primary peritoneal cancer in 4.5% (review synthesis). (colombi2024tubalcancerclinical pages 9-11)
  • RRSO risk reduction: ~80–96% (review synthesis). (gootzen2024riskreducingsalpingectomywith pages 1-2)
  • Maintenance PARP key trial summary: SOLO‑1 3‑year freedom from progression/death 69% vs 35%, 7‑year survival 67% vs 46%; PRIMA HRD median PFS 21.9 vs 10.4 months (as summarized in NCCN insights). (liu2024nccnguidelines®insights pages 3-4)

Evidence gaps and cautions

  • ICD-10/ICD-11, Orphanet, and OMIM identifiers were not present in the retrieved documents; direct code-system queries are required for authoritative mapping.
  • Variant-level details (ClinVar classifications, population allele frequencies) were not retrievable from the current evidence set.
  • Opportunistic salpingectomy effectiveness (absolute/relative cancer risk reduction) was discussed conceptually but not quantified in the extracted full text.

URLs and publication dates (selected key sources)

  • Colombi I. et al. Aug 2024. Tubal Cancer Clinical Management… Journal of Clinical Medicine. https://doi.org/10.3390/jcm13175075 (colombi2024tubalcancerclinical pages 18-20)
  • Gootzen TA. et al. Jun 2024. Risk-reducing salpingectomy with delayed oophorectomy… Familial Cancer. https://doi.org/10.1007/s10689-024-00412-0 (gootzen2024riskreducingsalpingectomywith pages 1-2)
  • Liu Y. et al. Dec 2023. Lymphadenectomy and optimal excise lymph nodes count… BMC Women’s Health. https://doi.org/10.1186/s12905-023-02833-y (liu2023lymphadenectomyandoptimal pages 2-4)
  • Liu JF. May 2023. Management of Advanced Ovarian, Fallopian Tube, and Primary Peritoneal Cancers. JNCCN. https://doi.org/10.6004/jnccn.2023.5017 (liu2023managementofadvanced pages 2-3)
  • Wisztorski M. et al. Sep 2023. Fallopian tube lesions as potential precursors… Cell Death & Disease. https://doi.org/10.1038/s41419-023-06165-5 (wisztorski2023fallopiantubelesions pages 1-2)
  • Tomas E, Shepherd TG. Apr 2023. Insights into high-grade serous carcinoma pathobiology using three-dimensional culture model systems. Journal of Ovarian Research. https://doi.org/10.1186/s13048-023-01145-x (tomas2023insightsintohighgrade pages 1-3)

References

  1. (colombi2024tubalcancerclinical pages 12-14): Irene Colombi, Marco D’Indinosante, Lucia Lazzeri, Errico Zupi, Silvia Pisaneschi, Marco Giusti, Alberto Mattei, Elisa Valentina Debonis, Angelo Cassisa, Anna Franca Cavaliere, and Federica Perelli. Tubal cancer clinical management: two exceptional scenarios and a review of the literature. Journal of Clinical Medicine, 13:5075, Aug 2024. URL: https://doi.org/10.3390/jcm13175075, doi:10.3390/jcm13175075. This article has 3 citations.

  2. (liu2023managementofadvanced pages 1-2): Joyce F. Liu. Management of advanced ovarian, fallopian tube, and primary peritoneal cancers. Journal of the National Comprehensive Cancer Network, 21:1-4, May 2023. URL: https://doi.org/10.6004/jnccn.2023.5017, doi:10.6004/jnccn.2023.5017. This article has 6 citations and is from a domain leading peer-reviewed journal.

  3. (liu2024nccnguidelines®insights pages 1-3): J Liu, A Berchuck, FJ Backes, and J Cohen. Nccn guidelines® insights: ovarian cancer/fallopian tube cancer/primary peritoneal cancer, version 3.2024: featured updates to the nccn guidelines. Unknown journal, 2024.

  4. (liu2023lymphadenectomyandoptimal pages 2-4): Yuexi Liu, Fanfan Huang, Qiuying Gu, Jinlong Wang, Qing-miao Wang, Yuyang Wu, Lijuan Li, and Yao Xiao. Lymphadenectomy and optimal excise lymph nodes count for early-stage primary fallopian tube cancer: a seer-based study. BMC Women's Health, Dec 2023. URL: https://doi.org/10.1186/s12905-023-02833-y, doi:10.1186/s12905-023-02833-y. This article has 3 citations.

  5. (liu2024nccnguidelines®insights pages 4-6): J Liu, A Berchuck, FJ Backes, and J Cohen. Nccn guidelines® insights: ovarian cancer/fallopian tube cancer/primary peritoneal cancer, version 3.2024: featured updates to the nccn guidelines. Unknown journal, 2024.

  6. (wisztorski2023fallopiantubelesions pages 1-2): Maxence Wisztorski, Soulaimane Aboulouard, Lucas Roussel, Marie Duhamel, Philippe Saudemont, Tristan Cardon, Fabrice Narducci, Yves-Marie Robin, Anne-Sophie Lemaire, Delphine Bertin, Nawale Hajjaji, Firas Kobeissy, Eric Leblanc, Isabelle Fournier, and Michel Salzet. Fallopian tube lesions as potential precursors of early ovarian cancer: a comprehensive proteomic analysis. Cell Death & Disease, Sep 2023. URL: https://doi.org/10.1038/s41419-023-06165-5, doi:10.1038/s41419-023-06165-5. This article has 33 citations and is from a peer-reviewed journal.

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  11. (NCT03943173 chunk 3): Olaparib in Treating Patients With Newly Diagnosed BRCA-Mutant Ovarian, Primary Peritoneal, or Fallopian Cancer Before Surgery. M.D. Anderson Cancer Center. 2019. ClinicalTrials.gov Identifier: NCT03943173

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