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: Pathology
[{'content': 'Pathologic features of brain in AIDS are all, EXCEPT: \nSelect and explain. \nA. Perivascular giant cell invasion, B. Microglial nodules, C. Vasculitis, D. Temporal lobe infarction', 'role': 'user'}, {'content': 'Answer: C \nExplanation: . Vasculitis', 'role': 'assistant'}]