J Korean Radiol Soc.
1997 Nov;37(5):911-915.
Massive Ovarian Edema: US and MRI Findings 3 Cases Report
- Affiliations
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- 1Department of Radiology, College of Medicine, KonKuk University.
- 2Department of Radiology, College of Medicine, DanKuk University.
- 3Department of Radiology, College of Medicine, Seoul National University.
- 4Department of Radiology, College of Medicine, Konkuk University.
Abstract
- Massive ovarian edema is a rare tumor-like condition occurring in young women; it involves enlargement of the ovary, caused by intermittent torsion of the mesovarium. Ultrasonographically, a well-defined inhomogeneous soft tissue mass lesion is seen, and this cannot be distinguished from other solid ovarian tumors. The MRI findings, seen on T1WI, are inhomogeneous high signal intensity of the central part, with peripheral low signal intensity of the mass lesion. On T2WI, the inner part of the mass shows high signal intensity and the peripheral part, low signal intensity. Ovarian follicles are arranged peripherally, and are seen as low signal intensity on T1WI, and high signal intensity on T2WI. These MR findings are specific for the diagnosis of massive ovarian edema.
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