p-ANCA is characteristic for:

Answer is B (Microscopic polyangitis) : PAN can broadly be classified into Classic PAN (now referred to an PAN) Classified as Medium Vessel Vasculitis Necrotizing inflammation of small & medium sized aeries. No involvement of capillaries & venules Pulmonary vasculature is not involved. ANCA mostly negative (Rarely p-ANCA may be seen) Microscopic PAN (now called microscopic polyangitis) Classified as small vessel vasculitis Necrotizing inflammation of small & medium sized aeries. Capillaries & venules are involved Pulmonary vasculature is involved. ANCA positive (p-ANCA)