This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Glioma of optic nerve is usually - 
Select and explain. 
A. Gemistocytic, B. Pilocytic, C. Fibrillary, D. Lamellar
B: Pilocytic
Answer: B: Pilocytic 
Explanation: Ans. is 'b' i.e., Pilocytic Optic nerve glioma o Optic nerve glioma, also referred to as juvenile pilocytic astrocytoma, is the most frequent tumor of the optic nerve in childhood. o It is a developmental hamaoma. o It is either stationary or only slowly progressive. o Tumor may arise in any poion of nerve --> i) Intraorbital, ii) Intracanalicular iii) Intracranial