This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: AIIMS 2017, Subject name: Medicine
Most common cause of lobar hemorrhage in elderly age group ? 
Select and explain. 
A. Hypeension, B. Vascular malformation, C. Coagulopathy, D. Amyloid angiopathy
D: Amyloid angiopathy
Answer: D: Amyloid angiopathy 
Explanation: Though hypeension is the most common cause of intracerebral hemorrhage, the usual site for it is putamen, thalamus, pons and cerebellum. But lobar hemorrhage in elderly is most commonly due to cerebral amyloid angiopathy, where there is amyloid deposition in the walls of cerebral aeries following aeriolar degeneration.