Presentation
Headaches
Patient Data
Age: 12 years
Gender: Male
Note: This case has been tagged as "legacy" as it no longer meets image preparation and/or other case publication guidelines.
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Axial T1
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 edema. 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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