In a specimen of kidney, fibrinoid necrosis is seen and onion peel appearance is also present. Most probable pathology is:: (A) Hyaline degeneration, (B) Hyperplastic aeriosclerosis, (C) Glomerulosclerosis, (D) Fibrillary glomerulonephritis
Answer is B. Histological alterations characterizing blood vessels in malignant hypeension. ? Hyperplastic aeriosclerosis Fibrinoid necrosis of aerioles: Onion-skinning (concentrically arranged smooth muscle with collagen).