“…In many instances arterial lesions have been associated with renal disease, hypervitaminosis-D or congenital anomalies of the heart and great vessels, but more rarely there has been no demonstrable primary disease. About 50 cases of this idiopathic type of arterial calcification in infancy have now been described and the published material has been comprehensively reviewed on several occasions (Field, 1946;Stryker, 1946;Moran and Becker, 1959). Nevertheless, our knowledge of the condition has not progressed beyond the descriptive stage, and hypotheses of its aetiology show no advance on those put forward by Stryker in 1946.…”