gene encoding the 5′ exonucleotidase, CD73. We now describe the third familial case of
ACDC, including radiological and histopathological details of the arterial calcifications. The
medial lesions involve the entire circumference of the elastic lamina, in contrast to the intimal
plaque-like disease of atherosclerosis. The demonstration of broken and fragmented elastic
fibers leading to generalized vascular calcification suggests an analogy to pseudoxanthoma …