Onion skin thickening of aeriolar wall is sees in-: (A) Atherosclerosis, (B) Median calcific sclerosis, (C) Hyaline aeriosclerosis, (D) Hyperplastic aeriosclerosis
Answer is D. Hyperplastic aeriosclerosis is more typical of severe hypeension. Vessel exhibit onion skin . Concentric laminated thickening of aeriolar walls and luminal narrowing Robbins 9 th edition page no. 334