Pilocytic astrocytoma

Case contributed by A.Prof Frank Gaillard

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Patient Data

Age: 12 years
Gender: Male

MRI brain

Modality: MRI

Selected images from an MRI of the posterior fossa demonstrates a cystic mass with peripheral nodular enhancement. It arises form the right cerebellar hemisphere, displacing and compressing the fourth ventricle. It is surrounded by vasogenic oedema. No flow voids are noted. 

Case Discussion

A cystic mass with mural enhancement in a child arising from the cerebellar hemisphere is usually a pilocytic astrocytoma. This patient went on to have a craniotomy and resection which confirmed the diagnosis. 

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Case Information

rID: 15117
Diagnostic certainty: Certain
Inclusion in quiz mode: Included

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