Skin changes in sarcoidosis.

The skin changes which occur in sarcoidosis are erythema nodosum and specific granulomata. The incidence of erythema nodosum and its frequency in England and Scandinavia is contrasted with its comparative rarity among Negro patients in the United States. The various types of granulomata are described and classified. In contrast with erythema nodosum, granulomata are more common in Negro than in Caucasian patients.