Large ovarian endometrioma

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Right pelvic pain with dysmenorrhea. History left ovariectomy 9 years ago for an ovarian cyst (pathological report not available).

Patient Data

Age: 40 years
Gender: Female
mri

Large well-defined lobulated right ovarian cystic lesion measuring 120 x 110 x 70 mm of high signal on T1 and T1 fat sat, T2 shading sign with no peripheral enhancement seen on postcontrast sequences. 

No evidence of subperitoneal endometriosis.

Left ovary not visualized (history of ovariectomy).

Normal appearance of the uterus.

Case Discussion

MRI features most consistent with a large ovarian endometrioma.

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