Calcific uremic arteriolopathy (CUA) hypodermic capillaries with voluminous and circumferential parietal calcium deposits: A, hematoxylin-eosin-saffron (HES)–stained (×400), B, von Kossa-stained (original magnification ×400); C, Field-emission–scanning electron microscopy (FE-SEM). Interstitial calcific uremic arteriolopathy (CUA) deposits, aligned along the cytoplasmic membranes of adipocytes; D, HES-stained (original magnification ×400); E, von Kossa–stained (original magnification ×400); F, FE-SEM.