{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,9]],"date-time":"2026-03-09T04:26:23Z","timestamp":1773030383671,"version":"3.50.1"},"reference-count":12,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2018,5,29]],"date-time":"2018-05-29T00:00:00Z","timestamp":1527552000000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["obgyn.onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["J of Obstet and Gynaecol"],"published-print":{"date-parts":[[2018,8]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aim<\/jats:title><jats:p>To investigate the differences in leiomyoma pathophysiology by patient age at the time of surgery and the possible significance of postmenopausal uterine leiomyomas, particularly variants.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We retrospectively reviewed data from 471 patients who underwent surgery for uterine leiomyomas and evaluated their clinical data.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Overall, 441 (93.4%) women were premenopausal and 30 (6.4%) were postmenopausal. There were no differences in the frequency of the coexistence of ovarian steroid\u2010dependent diseases among age groups. Common histopathological features were observed in most cases despite menopausal status; however, the incidence of variants among postmenopausal patients was high compared to that among premenopausal women (23.3% [7\/30] vs 3.2% [14\/441], respectively). Among the variant leiomyomas in postmenopausal patients, lipoleiomyomas comprised six.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Although progesterone is known to play a vital role in promoting leiomyoma growth, it reportedly performs dual actions and does not always stimulate leiomyoma growth. Our study may support the idea that the dual action of progesterone is the primary reason for the surgical treatment required for uterine leiomyomas in the postmenopausal period. We also found that lipoleiomyoma might be the most common uterine leiomyoma variant requiring surgical treatment among postmenopausal women. Thus, we must consider the diagnosis of uterine lipoleiomyoma in postmenopausal women with uterine leiomyomas.<\/jats:p><\/jats:sec>","DOI":"10.1111\/jog.13675","type":"journal-article","created":{"date-parts":[[2018,5,30]],"date-time":"2018-05-30T06:30:23Z","timestamp":1527661823000},"page":"1445-1450","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Significance of postmenopausal uterine leiomyomas: Focus on variants"],"prefix":"10.1111","volume":"44","author":[{"given":"Yuka","family":"Oi","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Yokohama Municipal Citizen's Hospital  Yokohama Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kayo","family":"Katayama","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Yokohama Municipal Citizen's Hospital  Yokohama 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