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Background For women diagnosed with hereditary breast and ovarian cancer, the clinical guidelines recommend risk-reducing salpingo-oophorectomy at age 35–40 years or after completion of childbearing. However, there is limited information regarding the current status of risk-reducing salpingo-oophorectomy in Japan. Methods To clarify factors influencing decision-making for risk-reducing salpingo-oophorectomy among Japanese women diagnosed with hereditary breast and ovarian cancer and their clinical outcomes, we analyzed the medical records of 157 Japanese women with germline BRCA pathogenic variants (BRCA1 n = 85, BRCA2 n = 71 and both n = 1) at our institution during 2011–21. Specimens obtained from risk-reducing salpingo-oophorectomy were histologically examined according to the sectioning and extensively examining the fimbriated end protocol. Results The risk-reducing salpingo-oophorectomy uptake rate was 42.7% (67/157). The median age at risk-reducing salpingo-oophorectomy was 47 years. Older age, married state and parity were significantly associated with risk-reducing salpingo-oophorectomy (P < 0.001, P = 0.002 and P = 0.04, respectively). History of breast cancer or family history of ovarian cancer did not reach statistical significance (P = 0.18 and P = 0.14, respectively). Multivariate analyses revealed that older age (≥45 years) and married state may be independent factors associated with risk-reducing salpingo-oophorectomy. Interestingly, the annual number of risk-reducing salpingo-oophorectomy peaked in 2016–17 and has increased again since 2020. The rate of occult cancers at risk-reducing salpingo-oophorectomy was 4.5% (3/67): ovarian cancer (n = 2) and serous tubal intraepithelial carcinoma (n = 1). Conclusion Age and marital status significantly affected decision-making for risk-reducing salpingo-oophorectomy. This is the first study to suggest possible effects of Angelina Jolie’s risk-reducing salpingo-oophorectomy in 2015 and the National Health Insurance introduced for risk-reducing salpingo-oophorectomy in 2020. The presence of occult cancers at risk-reducing salpingo-oophorectomy supports clinical guidelines recommending risk-reducing salpingo-oophorectomy at younger ages.
Background For women diagnosed with hereditary breast and ovarian cancer, the clinical guidelines recommend risk-reducing salpingo-oophorectomy at age 35–40 years or after completion of childbearing. However, there is limited information regarding the current status of risk-reducing salpingo-oophorectomy in Japan. Methods To clarify factors influencing decision-making for risk-reducing salpingo-oophorectomy among Japanese women diagnosed with hereditary breast and ovarian cancer and their clinical outcomes, we analyzed the medical records of 157 Japanese women with germline BRCA pathogenic variants (BRCA1 n = 85, BRCA2 n = 71 and both n = 1) at our institution during 2011–21. Specimens obtained from risk-reducing salpingo-oophorectomy were histologically examined according to the sectioning and extensively examining the fimbriated end protocol. Results The risk-reducing salpingo-oophorectomy uptake rate was 42.7% (67/157). The median age at risk-reducing salpingo-oophorectomy was 47 years. Older age, married state and parity were significantly associated with risk-reducing salpingo-oophorectomy (P < 0.001, P = 0.002 and P = 0.04, respectively). History of breast cancer or family history of ovarian cancer did not reach statistical significance (P = 0.18 and P = 0.14, respectively). Multivariate analyses revealed that older age (≥45 years) and married state may be independent factors associated with risk-reducing salpingo-oophorectomy. Interestingly, the annual number of risk-reducing salpingo-oophorectomy peaked in 2016–17 and has increased again since 2020. The rate of occult cancers at risk-reducing salpingo-oophorectomy was 4.5% (3/67): ovarian cancer (n = 2) and serous tubal intraepithelial carcinoma (n = 1). Conclusion Age and marital status significantly affected decision-making for risk-reducing salpingo-oophorectomy. This is the first study to suggest possible effects of Angelina Jolie’s risk-reducing salpingo-oophorectomy in 2015 and the National Health Insurance introduced for risk-reducing salpingo-oophorectomy in 2020. The presence of occult cancers at risk-reducing salpingo-oophorectomy supports clinical guidelines recommending risk-reducing salpingo-oophorectomy at younger ages.
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