Choroidal fissure cyst

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Hypertensive patient with chronic headaches.

Patient Data

Age: 55 years
Gender: Female
mri

A small (8 mm) well-defined cystic lesion is noted within the right choroidal fissure of CSF signal on all sequences with no calcification or peripheral enhancement seen.

Case Discussion

MRI feature of a choroidal fissure cyst (incidental finding). 

The main differential diagnosis is a solitary enlarged perivascular space (if intra-axial location).

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