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
Most common intraparenchymal brain tumor to show calcification is? 
Select and explain. 
A. Meningioma, B. Oligodendroglioma, C. Astrocytoma, D. Ependymoma
B: Oligodendroglioma
Answer: B: Oligodendroglioma 
Explanation: Most common Intraparenchymal brain tumor to show calcification is Oligodendroglioma(usually frontal lobes and shows chickenwire calcifications)