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: Ophthalmology
Intracranial tumor extending to orbit mostcommonly ? 
Select and explain. 
A. Glioma, B. Meningioma, C. Medulloblastoma, D. Craniopharyngioma
B: Meningioma
Answer: B: Meningioma 
Explanation: Ans. is 'b' i.e., Meningioma Meningiomas are the most common intracranial tumor to extend to the orbit" Ophthalmic oncology Meningiomas commonly arise from the dura of sphenoid wing, i.e. sphenoid wing meningioma