Ovarian Cancer Canada

Western Regional Blog – BC, YK, AB, NWT and Nunavut

Ovarian granulosa cell tumor and increased risk of breast cancer

“Given the large and increasing number of women treated with ovulation-inducing drugs, the increased risk of ovarian cancer among the subset of women who remained nulligravid should be further monitored.”

Abstract
Granulosa cell tumor of the ovary (GCT) is a rare neoplasm. The tumor often secretes estrogens and then presents at an earlier stage due to hormone-related symptoms. GCT patients are at increased risk of endometrial carcinoma, but there is only limited information about GCTs and potential association to other hormone-related neoplasms like breast cancer. We conducted a retrospective follow-up study on 163 patients with GCT. Medical records and histological sections were reviewed and a search in the pathology registry performed. Eight (95% confidence interval (CI); 3.4 -15.8) GCT patients were diagnosed with a breast neoplasm; one with Paget’s disease of the nipple and seven with breast carcinoma. Based on calculations using incidence rates on breast cancer among Danish women, we would have expected 2.5 cases of breast cancer. The odds ratio was 3.3 (95% CI, 1.6 – 6.6), suggesting an increased risk of breast cancer in GCT patients.

Anne Hammer, Finn F. Lauszus, Astrid C. Petersen

http://onlinelibrary.wiley.com/doi/10.1111/aogs.12252/abstract;jsessionid=A9E736ED6344D38B5D937C6EB26D429F.d04t04

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