Blake's pouch cyst

Case contributed by Dr Joseph Scheller


Infant with macrocephaly, sunset eyes

Patient Data

Age: 2 months
Gender: Male

Severely dilated ventricles. Blake's pouch cyst. Extra axial fluid collection.


Right extra axial fluid collection. Small left posterior subacute subdural hematoma. Dilated lateral and third ventricles. Blake's pouch cyst. Normal appearing cerebellar vermis

Case Discussion

Blake's pouch cyst is a developmental abnormality of the posterior fossa that causes hydrocephalus. In this case the hydrocephalus was severe and present at age 2 months, and there is associated developmental delay.

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Case information

rID: 67976
Published: 5th May 2019
Last edited: 16th Sep 2020
Inclusion in quiz mode: Included

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