Hyperplastic arteriolitis with necrotizing arteriolitis is seen in?
Wegner’s granulomatosis
Malignant hypertension
Buerger’s disease
Benign hypertension
Hyperplastic arteriolosclerosis is more typical of severe hypertension. Vessels exhibit "onion skin" ."concentric, laminated thickening of arteriolar walls and luminal narrowing . The lamination consists of smooth muscle cells and thickened , re duplicated basement membrane . In malignant hypertension these changes are accompnied by fibrinoid deposits and vessels wall necrosis .