A 9-year old girl is evaluated for headaches and clumsiness with walking( ataxia) over the last month. A CT scan reveals a midline, partially cystic cerebellar mass. The tumor is removed surgically, and microscopic examination shows elongated bipolar astrocytes with fibrillar processes and Rosenthal fibers
Answer : Juvenile pilocytic astrocytoma
Most common primary brain tumors in adults are glioblastoma multiforme, meningioma and acoustic neuroma. In children, cerebellar astrocytoma and medulloblastoma
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