This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neuroradiology, Subject name: Radiology
A 5 year old child diagnosed with cystic lesion with a enhancing mural nodule seen in cerebellar hemisphere on Brain MRI has 
Select and explain. 
A. Meningioma, B. Schwannoma, C. Pilocytic astrocytoma, D. Glioma
C: Pilocytic astrocytoma
Answer: C: Pilocytic astrocytoma 
Explanation: Cystic lesion with an enhancing mural module in a child is suggestive of Pilocytic astrocytoma In a adult above finding is suggestive of Hemangioblastoma Figure: Large posterior fossa cystic lesion with enhancing mural nodule.