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Clinical and MRI findings of the two groups were reviewed and compared.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>\n                      OMATs were smaller than POMCs (median diameter, 129 vs. 182\u00a0mm,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). Lesion configurations differed between OMATs and POMCs, with the following distributions: purely solid (11% vs. 0%), solid with cystic components (17% vs. 0%), cystic with mural nodules (11% vs. 61%), and purely cystic (61% vs. 39%) (\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01). Among cystic lesions, faint septa (94% vs. 31%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) were more frequent in OMATs than in POMCs, whereas T1-hyperintense cysts (25% vs. 81%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and a stained-glass appearance (25% vs. 72%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) were less frequent in OMATs than in POMCs. Peritoneal dissemination (71% vs. 11%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) and abnormal ascites (93% vs. 11%,\n                      <jats:italic>p<\/jats:italic>\n                      \u2009&lt;\u20090.01) were also more frequent in OMATs than in POMCs.\n                    <\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion<\/jats:title>\n                    <jats:p>OMATs tended to present as smaller, purely cystic lesions with faint septa, whereas POMCs were characterized by larger cystic lesions with T1-hyperintense cysts and a stained-glass appearance.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1007\/s11604-026-01992-w","type":"journal-article","created":{"date-parts":[[2026,4,16]],"date-time":"2026-04-16T04:18:17Z","timestamp":1776313097000},"page":"1415-1424","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["MRI features of ovarian metastases from appendiceal tumors and primary ovarian mucinous carcinoma: a comparative study"],"prefix":"10.1007","volume":"44","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2807-0524","authenticated-orcid":false,"given":"Masaya","family":"Kawaguchi","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hiroki","family":"Kato","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tomotaka","family":"Kawamura","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Takuya","family":"Naruse","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatsuro","family":"Furui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masanori","family":"Isobe","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Natsuko","family":"Suzui","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tatsuhiko","family":"Miyazaki","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yoshifumi","family":"Noda","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Abdelazim Elsayed","family":"Elhelaly","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hirohiko","family":"Imai","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Masayuki","family":"Matsuo","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2026,4,16]]},"reference":[{"key":"1992_CR1","doi-asserted-by":"publisher","DOI":"10.1016\/s0090-8258(03)00075-1","author":"N Yada-Hashimoto","year":"2003","unstructured":"Yada-Hashimoto N, Yamamoto T, Kamiura S, Seino H, Ohira H, Sawai K, et al. 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