Detailed report on the clinicopathological factors of patients with endometrial cancer in Japan: a JSOG gynecologic tumor registry-based study

다국어 초록 (Multilingual Abstract)

Objective: In this study, we collected data over 8 years (2012–2019) from the Japan Societyof Obstetrics and Gynecology (JSOG) tumor registr y to determine the status of endometrialcancer in Japan, and analyzed detailed clinicopathological factors.
Methods: The JSOG maintains a tumor registr y that gathers information on endometrialcancer treated at the JSOG-registered institutions. Data from the patients whose endometrialcancer treatment was initiated from 2012 to 2019 were analyzed retrospectively.
Results: A total of 82,969 patients with endometrial cancer under went treatment from 2012to 2019. Chemotherapy alone or in combination with hormonal therapy is more commonamong endometrial cancer patients under 40 years compared with those over 40 years. Thenumber of patients with endometrial cancer, treated with laparoscopic or robot-assistedsurger y was obser ved to have increased yearly. Small cell carcinomas and undifferentiatedcarcinomas were more likely to be diagnosed at an advanced stage. Lymphadenectomy wasmost commonly performed for stage IIIC2 disease, whereas positive peritoneal washingcytology was most common for stage IVB and serous carcinoma.
Conclusion: Multi-year summar y reports provided detailed clinicopathological informationregarding endometrial cancer that could not be obtained in a single year. These reports wereuseful in understanding treatment strategies and trends over time based on age, histology,and stage.