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Recurrence, death, and secondary malignancy after ovarian conservation for young women with early-stage low-grade endometrial cancer.


ABSTRACT: OBJECTIVE:To examine the association between ovarian conservation and oncologic outcome in surgically-treated young women with early-stage, low-grade endometrial cancer. METHODS:This multicenter retrospective study examined women aged <50 with stage I grade 1-2 endometrioid endometrial cancer who underwent primary surgery with hysterectomy from 2000 to 2014 (US cohort n?=?1196, and Japan cohort n?=?495). Recurrence patterns, survival, and the presence of a metachronous secondary malignancy were assessed based on ovarian conservation versus oophorectomy. RESULTS:During the study period, the ovarian conservation rate significantly increased in the US cohort from 5.4% to 16.4% (P?=?0.020) whereas the rate was unchanged in the Japan cohort (6.3-8.7%, P?=?0.787). In the US cohort, ovarian conservation was not associated with disease-free survival (hazard ratio [HR] 0.829, 95% confidence interval [CI] 0.188-3.663, P?=?0.805), overall survival (HR not estimated, P?=?0.981), or metachronous secondary malignancy (HR 1.787, 95% CI 0.603-5.295, P?=?0.295). In the Japan cohort, ovarian conservation was associated with decreased disease-free survival (HR 5.214, 95% CI 1.557-17.464, P?=?0.007) and an increased risk of a metachronous secondary malignancy, particularly ovarian cancer (HR 7.119, 95% CI 1.349-37.554, P?=?0.021), but was not associated with overall survival (HR not estimated, P?=?0.987). Ovarian recurrence or metachronous secondary ovarian cancer occurred after a median time of 5.9?years, and all cases were salvaged. CONCLUSION:Our study suggests that adoption of ovarian conservation in young women with early-stage low-grade endometrial cancer varies by population. Ovarian conservation for young women with early-stage, low-grade endometrial cancer may be potentially associated with increased risks of ovarian recurrence or metachronous secondary ovarian cancer in certain populations; nevertheless, ovarian conservation did not negatively impact overall survival.

SUBMITTER: Matsuo K 

PROVIDER: S-EPMC7537353 | biostudies-literature | 2019 Oct

REPOSITORIES: biostudies-literature

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Recurrence, death, and secondary malignancy after ovarian conservation for young women with early-stage low-grade endometrial cancer.

Matsuo Koji K   Cripe James C JC   Kurnit Katherine C KC   Kaneda Michiko M   Garneau Audrey S AS   Glaser Gretchen E GE   Nizam Aaron A   Schillinger Rachel M RM   Kuznicki Michelle L ML   Yabuno Akira A   Yanai Shiori S   Garofalo Denise M DM   Suzuki Jiro J   St Laurent Jessica D JD   Yen Ting-Tai TT   Liu Annie Y AY   Shida Masako M   Kakuda Mamoru M   Oishi Tetsuro T   Nishio Shin S   Marcus Jenna Z JZ   Adachi Sosuke S   Kurokawa Tetsuji T   Ross Malcolm S MS   Horowitz Max P MP   Johnson Marian S MS   Kim Min K MK   Melamed Alexander A   Machado Karime K KK   Yoshihara Kosuke K   Yoshida Yoshio Y   Enomoto Takayuki T   Ushijima Kimio K   Satoh Shinya S   Ueda Yutaka Y   Mikami Mikio M   Rimel Bobbie J BJ   Stone Rebecca L RL   Growdon Whitfield B WB   Okamoto Aikou A   Guntupalli Saketh R SR   Hasegawa Kosei K   Shahzad Mian M K MMK   Im Dwight D DD   Frimer Marina M   Gostout Bobbie S BS   Ueland Frederick R FR   Nagao Shoji S   Soliman Pamela T PT   Thaker Premal H PH   Wright Jason D JD   Roman Lynda D LD  

Gynecologic oncology 20190816 1


<h4>Objective</h4>To examine the association between ovarian conservation and oncologic outcome in surgically-treated young women with early-stage, low-grade endometrial cancer.<h4>Methods</h4>This multicenter retrospective study examined women aged <50 with stage I grade 1-2 endometrioid endometrial cancer who underwent primary surgery with hysterectomy from 2000 to 2014 (US cohort n = 1196, and Japan cohort n = 495). Recurrence patterns, survival, and the presence of a metachronous secondary m  ...[more]

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