Colloid cyst

Case contributed by Frank Gaillard
Diagnosis probable

Presentation

Tinnitus.

Patient Data

Age: Adult
mri

Selected images from an MRI. In the roof of the third ventricle is a rounded lesion with low T2 and high T1 signal. No hydrocephalus. This is a characteristic appearance of a colloid cyst of the third ventricle. 

Case Discussion

Typical appearances of an incidentally detected colloid cyst. 

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