Colloid cyst of the 3rd ventricle

Case contributed by Dr Ammar Haouimi

Presentation

Chronic headaches

Patient Data

Age: 25 years
Gender: Female

The MRI sequences demonstrate a well-defined ovoid lesion (19x15x13 mm) at the roof of the third ventricle, of high signal on T1WI/T2WI and FLAIR with no restricted diffusion, obstructing the foramen of Monro with dilatation of the lateral ventricles and periventricular interstitial edema indicating obstructive hydrocephalus.

Case Discussion

MRI features are most consistent with a colloid cyst of the 3rd ventricle with obstructive hydrocephalus.

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Case information

rID: 74872
Published: 7th Mar 2020
Last edited: 12th Mar 2020
Inclusion in quiz mode: Included
Institution: Aurès Medical Imaging Center - Batna Algeria

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