Colloid cyst

Case contributed by Dr Salman Albakheet

Presentation

Progressive positional headache not improving by medication.

Patient Data

Age: 34
Gender: Female
CT

There is midline homogeneous hyperdense rounded mass lesion within the anterior third ventricle at level of foramen of Monro . It is measuring about 16 X 16 X 19 mm in its maximum anteroposterior, transverse and craniocaudal dimensions , respectively. There is marked dilation of supratentorial ventricular system with diffuse periventricular hypodensity indicating CSF permeation secondary to active obstructive hydrocephalus.

Case Discussion

The constellation of imaging findings described above that are characteristic of third ventricle colloid cyst resulting in obstructive hydrocephalus.

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Case information

rID: 52865
Case created: 23rd Apr 2017
Last edited: 24th Apr 2017
Inclusion in quiz mode: Included

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