Endometrial Cancer Risk Among Germline / Pathogenic Variant Carriers: Review of Our Current Understanding and Next Steps
Overview
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Purpose: To review the literature exploring endometrial cancer (EC) risk among surgical candidates with germline pathogenic variants (PVs) to guide decisions around risk-reducing (rr) hysterectomy in this population.
Design: A comprehensive review was conducted of the current literature that influences clinical practice and informs expert consensus. We present our understanding of EC risk among PV carriers, the risk-modifying factors specific to this patient population, and the available research technology that may guide clinical practice in the future. Limitations of the existing literature are outlined.
Results: Patients with PVs, those with a personal history of tamoxifen use, those who desire long-term hormone replacement therapy, and/or have an elevated BMI are at higher risk of EC, primarily endometrioid EC and/or uterine papillary serous carcinoma, and may benefit from rr-hysterectomy. Although prescriptive clinical guidelines specific to PV carriers could inform decisions around rr-hysterectomy, limitations of the current literature prevent more definitive guidance at this time. A large population-based study of a contemporary cohort of PV carriers with lifetime follow-up compared with cancer-gene negative controls would advance this topic and facilitate care decisions.
Conclusion: This review validates a potential role for rr-hysterectomy to address EC risk among surgical candidates with PVs. Evidence-based clinical guidelines for rr-hysterectomy in PV carriers are essential to ensure equitable access to this preventive measure, supporting insurance coverage for patients with either or PVs to pursue rr-hysterectomy. Overall, this review highlights the complexity of EC risk in PV carriers and offers a comprehensive framework to shared decision making to inform rr-hysterectomy for PV carriers.
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