Lung is characteristically involved in:: (A) Churg-Strauss syndrome, (B) HSP, (C) PAN, (D) ITP
Answer is A. a. Churg-Strauss syndrome(Ref: Nelson's 20/e p 1221-1223, Ghai 8/e p 631-635)Churg Strauss syndrome: It is a small vessel necrotizing granulomatous vasculitis associated with a history of refractory asthma & peripheral eosinophilia.