Ovarian dermoid cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Pelvic pain. The ultrasound exam (not shown) demonstrated a pelvic mass of complex echotexture.

Patient Data

Age: 20 years
Gender: Female
mri

Large well-defined right ovarian mass of complex signal intensity containing both, fatty and cystic components a well as an internal nodule "Rokitansky nodule". The fatty component within the Rokitansky nodule is attenuated on T1 fat sat sequences.

Case Discussion

MRI features of right ovarian mass of complex signal intensity most consistent with a dermoid cyst (or mature cystic teratoma).

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