The pathological feature in Wegener&;s granulomatosis on renal biopsy: (A) Nodular glomerulosclerosis, (B) Focal necrotizing glomerulonephritis, (C) Granulomas in the vascular wall, (D) Granuloma of parenchyma of kidney
Answer is B. Wegener's granulomatosis is a necro-inflammatory lesion having 4 components granulomas of the upper respiratory tract, granulomas of the lungs, systemic vasculitis (page 403) and focal necrotizing glomerulonephritis. Ref: Harsh Mohan textbook of pathology 6th edition page 495.