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The clinical and MRI features were evaluated and compared between POMTs and MOMCs. \ufeffUnivariate and multivariate analyses were performed to identify the significant variables between the two groups, which were then incorporated into a predictive nomogram, and ROC curve analysis was subsequently carried out to evaluate diagnostic performance.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Results<\/jats:title>\n                <jats:p>35.9% patients with MOMCs were discovered synchronously with the primary carcinomas; 25.6% patients with MOMCs were bilateral, and all of the patients with POMTs were unilateral. The biomarker CEA was significantly different between the two groups (<jats:italic>p<\/jats:italic>\u2009=\u20090.002). There were significant differences in the following MRI features: tumor size, configuration, enhanced pattern, the number of cysts, honeycomb sign, stained-glass appearance, ascites, size diversity ratio, signal diversity ratio. The locular size diversity ratio (<jats:italic>p<\/jats:italic>\u2009=\u20090.005, OR\u2009=\u20091.31), and signal intensity diversity ratio (<jats:italic>p<\/jats:italic>\u2009=\u20090.10, OR\u2009=\u20094.01) were independent predictors for MOMCs. \ufeffThe combination of above independent criteria yielded the largest area under curve of 0.922 with a sensitivity of 82.3% and specificity of 88.9%.<\/jats:p>\n              <\/jats:sec><jats:sec>\n                <jats:title>Conclusions<\/jats:title>\n                <jats:p>Patients with MOMCs were more commonly bilaterally and having higher levels of CEA, but did not always had a malignant tumor history. For ovarian mucin-producing tumors, the uniform locular sizes and signal intensities were more predict MOMCs.<\/jats:p>\n              <\/jats:sec>","DOI":"10.1186\/s13048-024-01382-8","type":"journal-article","created":{"date-parts":[[2024,3,13]],"date-time":"2024-03-13T10:14:15Z","timestamp":1710324855000},"update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":5,"title":["Mucin-producing tumors of the ovary\u2014\u2014preoperative differentiation between metastatic ovarian mucinous carcinoma and primary mucinous malignant tumors"],"prefix":"10.1186","volume":"17","author":[{"given":"Song-Qi","family":"Cai","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Min-Rong","family":"Wu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiao-Liang","family":"Ma","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jing-Jing","family":"Lu","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jin-Wei","family":"Qiang","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yin-Yin","family":"Guan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Meng-Su","family":"Zeng","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian-Jun","family":"Zhou","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"297","published-online":{"date-parts":[[2024,3,13]]},"reference":[{"key":"1382_CR1","doi-asserted-by":"publisher","first-page":"13","DOI":"10.1186\/s13048-020-00714-8","volume":"13","author":"JJ Zhang","year":"2020","unstructured":"Zhang JJ, Cao DY, Yang JX, Shen K. 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