Endometrioma - T2 shading sign

Case contributed by Bahman Rasuli
Diagnosis certain

Presentation

Pelvic pain and menometrorrhagia.

Patient Data

Age: 40 years
Gender: Female

A 45 x 60 mm cystic lesion at the left ovary with a characteristic T2 shading sign ( hyperintense on T1 and hypointense on T2) with no enhancement on postcontrast sequences and water restriction on DWI images, in keeping with an ovarian endometrioma.

Case Discussion

MRI features of an ovarian endometrioma with shading sign.

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