Colloid cyst

Case contributed by Dr Husen A. Husen

Presentation

Status epilepticus & intubated.

Patient Data

Age: 15 years
Gender: Male
MRI

There is round slightly high on T1WI (higher than CSF) & bright on T2WI mass at the roof of 3rd ventricle (foremen of Monro) measuring 14 mm, there is mildly peripheral enhancement following IV contrast injection; it causes obstruction of foremen of Monro & moderately dilatation of lateral ventricles & transependymal CSF flow (obstructive hydrocephalus). The picture is typical for a colloid cyst causing acute obstructive hydrocephalus; emergency shunting is needed.

Case Discussion

The patient went on to have a resection which confirmed the diagnosis of a colloid cyst.

 

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