<prompt> Granuloma is pathological feature of all exceptGiant cell aeritisMicroscopic polyangitisWegeners granulomatosisChurg Strauss disease  <response>: Ref Robbins 7e 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. 