Objective
Genetic predisposition is responsible for 5–10% of breast cancer, 10% of ovarian cancer and 2–5% of uterine cancer. The study objective was to compare genetic counseling and testing referral rates among women with breast cancer that met NCCN referral guidelines to the referral rates among women with gynecologic cancers and determine predictors of referral.
Methods
Utilizing an institutional tumor registry database, patients from an academic women's oncology program were identified who met a subset of NCCN guidelines for genetic referral between 2004 and 2010. Patients diagnosed with ovarian cancer, breast cancer ≤50 years of age, or uterine cancer <50 years of age were included. A retrospective electronic chart review was conducted to evaluate for a genetic referral and uptake of genetic testing.
Results
820 women were included (216 uterine, 314 breast, and 290 ovarian cancer). The overall genetic referral rate was 21.7%. 34% of eligible breast cancer patients were referred compared to 13.4% of uterine cancer and 14.5% ofovarian cancer patients (p < 0.0001). Younger age, breast cancer diagnosis, family history and earlier stage were all significant referral predictors. The odds of being referred increased with the number of affected family members. 70.8% of referred patients, consulted with genetics. Among those who consulted with genetics, 95.2% underwent testing.
Conclusions
Although increasing, genetic counseling remains underutilized across cancer diagnosis. Women with breast cancer are more likely to be referred than women with gynecologic cancers. Younger age, earlier stage and positive family history appear to be predictive of referral for genetic evaluation.
Genetic counseling and testing is being underutilized in women who meet NCCN referral guidelines. Age and family history were noted to be predictive of referral for genetic evaluation. Further research is needed to determine additional factors that may impact not only referral rates but subsequent care for women with possible genetic predispositions to cancer.
Background/Aims: BRCA mutation carriers have a high lifetime risk of developing breast and ovarian malignancies. As genetic testing becomes widely available, preventative measures are a choice. We evaluated the characteristics of BRCA mutation carriers who chose prophylactic surgery (PS) compared to those who opted for surveillance. Methods: A retrospective chart review of patients with a mutation in the BRCA1 or BRCA2 genes was performed. Results: Ninety women were included, of whom 46 (51%) underwent PS. They were more likely to be a BRCA2 mutation carrier, parous, married, employed, and had a prior history of breast cancer. PS included 39 bilateral salpingo-oophorectomies and 13 mastectomies. Pathology was typically benign; however, 15% showed ductal carcinoma in situ of the breast, 8% reported infiltrating ductal carcinoma of the breast, 3% was adenocarcinoma of the fallopian tube, and 3% was adenocarcinoma of the ovary. Conclusion: It is notable that BRCA1 mutation carriers were less inclined to elect for PS. Evaluating the reasons for pursuing PS among women with a BRCA mutation is necessary and will require a larger data set. Long-term follow-up is required to describe the potential side effects of PS on quality of life.
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