Granuloma is seen in all except -

Ans. is 'b' i.e., Microscopic polyangitisIn microscopic polyangitis, granuloma are absent.o There are two types of inflammation in the wall of vessels in systemic vasculitis ?I. Granulomatous inflammation --> characterized by formation of granuloma in vessel wall.2. Necrotizing inflammation characterized by fibrinoid necrosis in the vessel wall.Vasculitis with granulomatous inflammation o Giant cell aeritiso Takayasu's diseaseo Wegner's granulomatosiso Churg strauss syndromeVasculitis with necrotizing inflammationPolyaeritis nodosaChurg strauss syndromeWegner's granulomatosisMicroscopic polyangitisNote - Wegner's granulomatosis and churg strauss syndrome have feature of both granulomatous inflammation (predominant) and necrotizing inflammation.