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: Medicine
Granuloma is pathological feature of all, except- 
Select and explain. 
A. Giant cell arteritis, B. Microscopic polyangitis, C. Wegner's granulomatosis, D. Churg strauss disease
B: Microscopic polyangitis
Answer: B: Microscopic polyangitis 
Explanation: None