Colloid cyst of the third ventricle

Case contributed by Dr Sajoscha Sorrentino

Presentation

Intermittent headaches.

Patient Data

Age: 75
Gender: Male

Well defined, rounded, hyperdense lesion (~ 75 HU) at the roof of the 3rd ventilcle - the typical apearance of a colloid cyst.

Case Discussion

Colloid cysts account for 0.5 - 3% of primary brain tumours and 15 - 20% of intraventricular masses 1-3.  They are located at the foramen of Monro in 99% of cases 1.
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Case information

rID: 16471
Case created: 20th Jan 2012
Last edited: 8th Oct 2015
Inclusion in quiz mode: Included

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