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Ovarian dermoid

Case contributed by Natalie Yang
Diagnosis certain

Presentation

Further assessment of incidental finding on pelvic ultrasound, performed for vague lower abdominal/pelvic symptoms.

Patient Data

Age: Adult
Gender: Female

MRI pelvis

mri

Fairly well defined heterogeneous but predominant T2 hyperintense lesion is seen in the pelvis posterosuperior to the uterus. It is predominantly of T1 hyperintense with hypointense areas within. On T2 fat-saturated images, the T1 and T2 hyperintense areas show complete signal drop. A posterior intracystic nodule is noted with mixed signal pattern suggestive of a Rokitansky nodule.

Case Discussion

This case illustrates the typical MRI features of a large ovarian dermoid with a Rokitansky nodule. This was excised and confirmed histologically. 

Personal ref: V_OG 23

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