Ovarian mature cystic teratoma with floating balls sign

Case contributed by Guilherme Castilho S. de Lima
Diagnosis certain

Presentation

Assessment of adnexal mass.

Patient Data

Age: 65 years
Gender: Female

A large cystic lesion occupies the pelvis with multiple globules inside, with a signal higher than fluid at T1W and lower than fluid at T2W, restricted diffusion, and a drop in signal at the out-of-phase sequence, indicating a fatty component. There was no significant enhancement of the globules.

Case Discussion

The floating balls sign is an uncommon but pathognomonic sign of a mature cystic teratoma of the ovaries and refers to the appearance of multiple spheres of solid, usually fatty tissue within a cystic adnexal lesion.

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