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Increased incidence of visceral metastases in Scottish patients with BRCA1/2-defective ovarian cancer: an extension of the ovarian BRCAness phenotype

  • Charlie Gourley (Lead / Corresponding author)
  • , Caroline O. Michie
  • , Patricia Roxburgh
  • , Timothy A. Yap
  • , Sharon Harden
  • , Jim Paul
  • , Kalpana Ragupathy
  • , Radha Todd
  • , Russell Petty
  • , Nick Reed
  • , Richard L. Hayward
  • , Paul Mitchell
  • , Tzyvia Rye
  • , Jan H. M. Schellens
  • , Jan Lubinski
  • , James Carmichael
  • , Stan B. Kaye
  • , Melanie Mackean
  • , Michelle Ferguson

    Research output: Contribution to journalArticlepeer-review

    Abstract

    PURPOSE: To compare the frequency of visceral relapse of BRCA1/2-deficient ovarian cancer to that of nonhereditary controls.

    PATIENTS AND METHODS: All patients diagnosed in Scotland with epithelial ovarian cancer (EOC) or primary peritoneal cancer (PPC) and a germline BRCA1/2 mutation were identified. Those with previous malignancy were excluded. Each remaining patient who experienced relapse was matched with two nonhereditary controls.

    RESULTS: Seventy-nine patients with EOC/PPC and germline BRCA1/2 mutations were identified. Fifteen had inadequate clinical data, two had carcinosarcoma, 27 had previous breast cancer, and 16 were in remission. Of the remaining 19 patients who were BRCA1/2 deficient, 14 patients (74%) developed visceral metastases compared with six (16%) of 38 patients in the control group. The percentages of liver, lung, and splenic metastases were 53%, 32%, and 32%, respectively, in the patients compared with 5%, 3%, and 5%, respectively, in the controls. When events occurring outside the matched follow-up period were omitted, the percentages of visceral, liver, lung, and splenic metastases were 58%, 42%, 16%, and 32% in the patients compared with 5%, 0%, 0%, and 3% in controls (P < .001, P < .001, P = .066, and P = .011, respectively). In an independent validation set, the corresponding percentages of visceral, liver, lung, and splenic metastases were 63%, 46%, 13%, and 17% in the patients compared with 11%, 4%, 2%, and 2% in controls (P < .001, P < .001, P = .153, and P = .052, respectively).

    CONCLUSION: Although sporadic EOC commonly remains confined to the peritoneum, BRCA1/2-deficient ovarian cancer frequently metastasizes to viscera. These data extend the ovarian BRCAness phenotype, imply BRCA1/2-deficient ovarian cancer is biologically distinct, and suggest that patients with visceral metastases should be considered for BRCA1/2 sequencing.

    Original languageEnglish
    Pages (from-to)2505-2511
    Number of pages7
    JournalJournal of Clinical Oncology
    Volume28
    Issue number15
    DOIs
    Publication statusPublished - 20 May 2010

    UN SDGs

    This output contributes to the following UN Sustainable Development Goals (SDGs)

    1. SDG 3 - Good Health and Well-being
      SDG 3 Good Health and Well-being

    Keywords

    • Adrenal Gland Neoplasms
    • Adult
    • Aged
    • Aged, 80 and over
    • Brain Neoplasms
    • Female
    • Genes, BRCA1
    • Genes, BRCA2
    • Genetic Predisposition to Disease
    • Germ-Line Mutation
    • Humans
    • Incidence
    • Liver Neoplasms
    • Lung Neoplasms
    • Middle Aged
    • Neoplasm Metastasis
    • Ovarian Neoplasms
    • Pancreatic Neoplasms
    • Phenotype
    • Scotland
    • Splenic Neoplasms

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