MR Imaging Features of Ovarian Fibroma, Fibrothecoma and Thecoma

In summary, most ovarian fibrothecomas typically show homogenously low to intermediate signal intensity on T1-weighted images and low signal intensity on T2-weighted images, and appear predominantly solid. However, they often show atypical imaging features that mimic malignant lesions. We can determine the diagnostic clues and increase the diagnostic accuracy by detecting ipsilateral ovary on T2-weighted images with conventional MR imaging and use additional diffusion- or perfusion-weighted imaging.

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