{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,18]],"date-time":"2026-10-18T05:25:42Z","timestamp":1792301142714,"version":"4.4.0"},"reference-count":25,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2022,9,19]],"date-time":"2022-09-19T00:00:00Z","timestamp":1663545600000},"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":["Intl J Gynecology &amp; Obste"],"published-print":{"date-parts":[[2023,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Objective<\/jats:title><jats:p>To evaluate the accuracy of preoperative endometrial biopsy and magnetic resonance imaging (MRI) of endometrial cancer compared with that of intraoperative frozen section.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>This retrospective study included 264 patients who underwent surgery with intraoperative frozen section for endometrial cancer at our institution between 2014 and 2018. Diagnosis was determined by histologic type, grade, and myometrial invasion. Concordance rate, sensitivity, and specificity of preoperative diagnosis and intraoperative frozen diagnosis were calculated, in comparison to the final pathologic diagnosis.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>Preoperative and intraoperative diagnoses showed no statistically significant difference in determining histologic type and grade (<jats:italic>P<\/jats:italic>\u00a0=\u20090.152). Intraoperative diagnosis showed higher sensitivity for endometrioid carcinoma grade 3 and other types, and higher specificity for grade 1. For myometrial invasion, intraoperative diagnosis showed significantly higher concordance rate than preoperative MRI findings (<jats:italic>P<\/jats:italic>\u00a0&lt;\u20090.01). Intraoperative diagnosis showed higher sensitivity and specificity in patients with and without myometrial invasion, respectively.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusion<\/jats:title><jats:p>Higher agreement between intraoperative and final diagnoses, especially in myometrial invasion, suggests that intraoperative frozen section is a good indicator for appropriate surgical procedure decision making.<\/jats:p><\/jats:sec>","DOI":"10.1002\/ijgo.14389","type":"journal-article","created":{"date-parts":[[2022,8,5]],"date-time":"2022-08-05T14:18:03Z","timestamp":1659709083000},"page":"554-562","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Evaluation of the role of intraoperative frozen section and magnetic resonance imaging in endometrial cancer"],"prefix":"10.1002","volume":"160","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-8594-9589","authenticated-orcid":false,"given":"Reina","family":"Ooka","sequence":"first","affiliation":[{"name":"Department of Obstetrics and Gynecology Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4039-7212","authenticated-orcid":false,"given":"Yoshiko","family":"Nanki","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Keio University School of Medicine  Tokyo Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3925-6057","authenticated-orcid":false,"given":"Wataru","family":"Yamagami","sequence":"additional","affiliation":[{"name":"Department of Obstetrics and Gynecology Keio University School of Medicine  Tokyo 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