This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Granuloma is pathological feature of all except 
Select and explain. 
A. Giant cell aeritis, B. Microscopic polyangitis, C. Wegener's granulomatosis, D. Churg Strauss disease
B: Microscopic polyangitis
Answer: B: Microscopic polyangitis 
Explanation: Ref Robbins 7/e p540 Microscopic polyangiitis (MPA) is a disorder that causes blood vessel inflammation (vasculitis), which can lead to organ damage. The kidneys, lungs, nerves, skin, and joints are the most commonly affected areas of the body.