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 tumour of pineal region is? 
Select and explain. 
A. Germinoma, B. Pineocytoma, C. Pineoblastoma, D. Secondaries
A: Germinoma
Answer: A: Germinoma 
Explanation: Most common tumour of pineal region is germinoma. Most common tumour of pineal parenchymal gland is pineocytoma.