MB and interstitial nephritis: Tubular degeneration and tubular obstruction with myoglobin casts.Acute tubular necrosis.NANAAcute interstitial nephritis.NAArterioles with fibrinoid necrosis with in sudation of fibrin and red cells to thickening of the edematous intimal with occlusion of the lumen consistent with necrotizing vasculopathy. Glomeruli- lobulation with mesangial thickening, some with focal/ segmental necrotizing lesions/ nonepithelial cells.A small vein at the corticomedullary junction was occluded by thrombus.NANANANANANA