Newly Categorized Seromucinous Tumor of the Ovary: Magnetic Resonance Imaging Findings

Jin Woo Han, Kyeong Ah Kim, Hye Yoon Chang, Jeong Woo Kim, Yang Shin Park, Jongmee Lee, Jae Woong Choi, Chang Hee Lee, Cheol Min Park
Journal of computer assisted tomography · 2018 · vol. 43(1) , pp. 119–127 · doi:10.1097/rct.0000000000000776 · PMID:30052618 · W2937784668
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Abstract

OBJECTIVE: The aim of this study was to describe magnetic resonance imaging findings of newly categorized ovarian seromucinous tumors. METHODS: We retrospectively reviewed the images of 29 patients with seromucinous tumor for the following factors: size, configuration, signal intensity (SI), and accompanying ovarian endometriosis. RESULTS: Thirty-two tumors (17 benign, 7 borderline, 8 carcinoma) were found on computed tomography or magnetic resonance imaging. Their mean size was 11.4 cm. Benign tumors appeared as unilocular or multilocular cystic masses. Borderline tumors and carcinomas appeared as complex cystic-solid masses. T2-weighted SI of the solid portion was hyperintense in borderline tumors and intermediate in carcinomas. Endometriosis was present in 18 tumors, and hemorrhage (on images) in 20. CONCLUSIONS: The imaging features of seromucinous tumors varied by tumor type. More than half of tumors were accompanied by endometriosis. High T2-weighted SI of the solid portion could be a specific feature of borderline tumors. It is hard to differentiate seromucinous carcinomas from other endometriosis-related carcinomas.

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endometriosis

MeSH descriptors

Magnetic Resonance Imaging Neoplasms, Cystic, Mucinous, and Serous Ovarian Neoplasms Adult Diagnosis, Differential Female Humans Magnetic Resonance Imaging Middle Aged Neoplasms, Cystic, Mucinous, and Serous Ovarian Neoplasms Ovary Ovary Retrospective Studies

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