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Ovarian Epithelial Dysplasia and Prophylactic Oophorectomy for Genetic Risk
  1. Gautier Chêne, MD*,
  2. Frederique Penault-Llorca, MD,
  3. Guillaume Le Bouëdec, MD*,
  4. Florence Mishellany, MD,
  5. Marie-Melanie Dauplat, MD,
  6. Patricia Jaffeux, MD§,
  7. Bruno Aublet-Cuvelier, MD§,
  8. Jean Luc Pouly, MD,
  9. Pierre Déchelotte, MD and
  10. Jacques Dauplat, MD*
  1. * Department of Surgery, Centre Jean Perrin, rue Montalembert;
  2. Department of Histopathology, Centre Jean Perrin, rue Montalembert;
  3. Department of Histopathology, CHU Hotel-Dieu;
  4. § Department of Medical Information, CHU; and
  5. Department of Obstetrics & Gynecology, CHU Polyclinique, Clermont-Ferrand, France.
  1. Address correspondence and reprint requests to Chene Gautier, MD, Department of Surgery, Centre Jean Perrin, rue Montalembert, 63000 Clermont-Ferrand, France. E-mail: chenegautier{at}


Objective: To make an accurate histopathological description of ovarian dysplasia in a population at genetic risk of ovarian cancer and devise an ovarian dysplasia score.

Materials and Methods: In this retrospective cohort study, 90 patients who had undergone bilateral oophorectomy or ovarian cystectomy between 1992 and 2005 and whose ovaries were reported as normal were divided into two groups: Group A comprising prophylactic oophorectomies for genetic predisposition (N = 28), and Group B or control group, fertile and non-cancerous (N = 62). Eleven epithelial cytological and architectural features were defined. Ovaries were analysed and reviewed by four pathologists blinded to clinical data. An ovarian dysplasia score was devised to quantify extent of ovarian epithelial abnormalities. The degrees of ovarian epithelial abnormalities (dysplasia scores) were compared between the two groups.

Results: Mean dysplasia score was significantly higher in Group A (prophylactic oophorectomies) than in Group B (control group) (9.67 vs. 4.19, P < 0.001). In Group A, we observed a gradation in the severity of the dysplastic lesions between (i) proven BRCA mutations and prophylactic oophorectomies without mutations (11.26 vs. 8.1), and (ii) according to age (10.27 after age 50 years vs. 8.6 before age 50 years, P = 0.2962).

Conclusion: These results suggest abnormalities in ovaries from high risk women. The ovarian dysplasia may be a pre-malignant, non-invasive histological lesion that could be an important step in early neoplasia.

  • Ovarian dysplasia
  • Prophylactic oophorectomy
  • BRCA mutation
  • Ovary
  • Neoplasm

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