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Abstract #3151

Multi-Parametric MRI in Diagnosing Ovarian Endometrioma: a Feasibility Study

Fang Wang1, Dawei Ding2, Weiqiang Dou3, Dmytro Pylypenko3, Qing Wang1, and Dexin Yu1
1Department of Radiology, Qilu Hospital of Shandong University, Jinan, China, 2Department of Radiology, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, China, 3GE Healthcare, Beijing, China


This study aims to investigate the feasibility of multi-parametric MRI in distinguishing endometrioma from other ovarian cystic lesions. A total of 50 patients with clinically suspected endometriosis were recruited in the study. Quantitative MRI, including T1, T2 mapping, T2* mapping and CEST, was used. A positive correlation was found between R2* and iron levels in fluid of endometrioma. The AUC of R2*, T1, T2 and MTR_asym were 0.941, 0.996, 0.980 and 0.806, respectively. Therefore, multi-parametric quantitative MRI can be considered an effective method in differentiating endometriomas from various ovarian cystic lesions.

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