{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,25]],"date-time":"2026-08-25T08:28:20Z","timestamp":1787646500440,"version":"build-2736575974"},"reference-count":17,"publisher":"SAGE Publications","issue":"2","license":[{"start":{"date-parts":[[2024,8,1]],"date-time":"2024-08-01T00:00:00Z","timestamp":1722470400000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Int J Surg Pathol"],"published-print":{"date-parts":[[2025,4]]},"abstract":"<jats:p>Choriocarcinoma is a rare and highly malignant tumor that primarily occurs in women of reproductive age. Choriocarcinoma can be classified as gestational or nongestational, based on its pathogenetic origin. Although primary nongestational choriocarcinoma has been described in the ovaries, it is very rare in the uterus, especially in postmenopausal women. It is crucial to differentiate between gestational and non-gestational choriocarcinoma, as it affects the choice of treatment and prognosis. Endometrial clear cell carcinoma is an aggressive subtype of endometrial cancer, accounting for less than 10% of all uterine carcinomas. Trophoblastic differentiation in uterine cancer is unusual and very rare, with only three examples of the subtype of clear cell endometrial cancer with gestational choriocarcinoma reported in the literature, including only one with nongestational choriocarcinoma. Here, we present an example of clear cell carcinoma with nongestational uterine choriocarcinoma differentiation in a postmenopausal woman.<\/jats:p>","DOI":"10.1177\/10668969241265022","type":"journal-article","created":{"date-parts":[[2024,8,2]],"date-time":"2024-08-02T01:10:28Z","timestamp":1722561028000},"page":"472-476","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":1,"title":["Endometrial Clear Cell Carcinoma with Non-Gestational Uterine Choriocarcinoma Differentiation"],"prefix":"10.1177","volume":"33","author":[{"given":"Sahra Sultan","family":"Kara","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology, University of Health Sciences, Kartal L\u00fctfi K\u0131rdar City Hospital, Istanbul, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-8099-8883","authenticated-orcid":false,"given":"Esra","family":"Keles","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, University of Health Sciences, Kartal L\u00fctfi K\u0131rdar City Hospital, Istanbul, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3902-6243","authenticated-orcid":false,"given":"Begum","family":"Yeni Erdem","sequence":"additional","affiliation":[{"name":"Kartal L\u00fctfi K\u0131rdar City Hospital"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Murat","family":"Api","sequence":"additional","affiliation":[{"name":"Department of Gynecologic Oncology, University of Health Sciences, Kartal L\u00fctfi K\u0131rdar City Hospital, Istanbul, Turkey"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[2024,8,1]]},"reference":[{"key":"e_1_3_3_2_2","doi-asserted-by":"publisher","DOI":"10.1186\/1752-1947-4-379"},{"key":"e_1_3_3_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ajog.2010.06.073"},{"key":"e_1_3_3_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.ygyno.2007.07.081"},{"key":"e_1_3_3_5_2","doi-asserted-by":"publisher","DOI":"10.1097\/PGP.0b013e3181f5ce68"},{"key":"e_1_3_3_6_2","doi-asserted-by":"publisher","DOI":"10.3892\/ol.2015.2985"},{"key":"e_1_3_3_7_2","volume-title":"Female genital tumours","author":"World Health Organization International Agency for Research on Cancer","year":"2020","unstructured":"World Health Organization International Agency for Research on Cancer. 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WHO Classification of tumours \u2013 female genital tumours. 5th ed. IARC; 2020; pp. 129-130.","edition":"5"},{"key":"e_1_3_3_12_2","doi-asserted-by":"publisher","DOI":"10.1097\/01.pgp.0000215294.45738.a4"},{"key":"e_1_3_3_13_2","doi-asserted-by":"publisher","DOI":"10.7150\/jca.3.14"},{"key":"e_1_3_3_14_2","doi-asserted-by":"publisher","DOI":"10.1080\/15384047.2019.1617564"},{"key":"e_1_3_3_15_2","doi-asserted-by":"publisher","DOI":"10.3892\/ol.2013.1431"},{"key":"e_1_3_3_16_2","doi-asserted-by":"publisher","DOI":"10.1007\/s00404-020-05502-9"},{"issue":"6","key":"e_1_3_3_17_2","first-page":"731","article-title":"Uterine endometrioid carcinoma with focal area of choriocarcinomatous differentiation: case report","volume":"35","author":"Carta G","year":"2014","unstructured":"Carta G, Accurti V, Di Nicola M, et al. Uterine endometrioid carcinoma with focal area of choriocarcinomatous differentiation: case report. 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