All of the following are small vessel vasculitis, Except:: (A) Wegner's granulomatosis, (B) Microscopic polyangitis, (C) Polyaeritis Nodosa, (D) Henoch-Schonelin purpura
Answer is C. Answer is C (Polyoeritis Nodosa):Classic Polyaeritis nodosa does not involve capillaries and venules and is classified as a medium vessel vasculitis.Micorscopic polyangitis (Microscopic PAN),Wegener's granulomatosis and Henoch Scholein purpura are all classified as small vessel vasculitis.