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Nevoxanthoendothelioma. Presented by Dr. David Bloom.
R. D., a Negro boy aged 2 yr., was seen at the Sydenham Hospital Skin Clinic for the first time in July, 1950, with cutaneous tumors of six months' duration. We were consulted mainly because of a walnut-sized tumor on the vertex which was broadly attached to the scalp, erythematous, and oozing. The other tumors were pea-to-hazel-nut-sized, few in number, and scattered over the scalp and extremities. They were fairly firm and somewhat yellowish and were attached to the skin but not to the underlying tissue.After biopsy of specimens of the large lesion on the scalp and a lesion on the left knee, the latter area became keloidal, and the lesion on the scalp diminished markedly in size and consistency. In the past few months a few new lesions have developed, one on the anterior lateral aspect of the left thigh which appeared