Ovarian dermoid cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Pelvic pain

Patient Data

Age: 35 years
Gender: Female
mri

The uterus is moderately enlarged with thickening of the junctional zone mainly posterior (thickness=12-16 mm) in keeping with adenomyosis.

There is a large right ovarian complex mass (7 x 6 x 5 cm) with two components, the main component is of high signal on T1WI/T2WI, attenuated on fat-saturated sequences (fatty component) and mural nodule (5 x 4.8 x 4.5 cm) of inhomogeneous high signal on both T1WI/T2WI with attenuation of the fatty component on fat-saturated sequences (Rokitansky nodule). No abnormal enhancement seen on postcontrast sequences.

Normal appearance of the left ovary.

Minimal effusion is seen in Douglas pouch.

Case Discussion

MRI features of a right ovarian dermoid cyst with uterine adenomyosis.

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