The purpose of this report is to call attention to an interesting lesion of the skin which occurs in association with characteristic lesions of the bones. Only a few cases of this disease have been reported, but the lesions are so inconspicuous that it is possible that many cases have been overlooked.
OSTEOPOIKILOSIS
In 1915 Albers-Schoenberg1 described the case of a man, 22 years old, in whom roentgen examination revealed numerous minute lesions in all bones except the skull, spine, scapula, patella and clavicle. They were located chiefly in the epiphyses, though isolated lesions were found in the diaphyses. The lesions appeared as minute oval areas of condensation, usually with the long axis in the direction of the long axis of the bone. Their size varied from that of the head of a pin to that of a pea. They were sometimes so numerous as to make the bone