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