Recent reviews of necrobiosis lipoidica have emphasized its rarity in the Negro.1,2 The following is a report of such a case occurring in association with diabetes mellitus.3
Report of a Case
Diabetes mellitus and the appearance of 2 mm. dark crusted skin lesions occurred simultaneously in a 46-year-old Negro woman in 1957. She has received insulin, dietary therapy, and tolbutamide each in turn with progressive enlargement of the lesions. There was no history of Caucasian ancestry. A paternal cousin was also a diabetic.The patient was first seen by us on Aug. 24, 1961. Physical examination revealed a slightly obese woman, who appeared to be a full-blooded Negro. The fundi were normal. The blood pressure was 170/110. On the upper arm, anterior lower legs (Figure), and dorsum of the left foot were 4 round, infiltrated, 0.3 to 4 cm. lesions with reddish-brown, ulcerated and atrophic, telangiectatic, depressed centers.
LUNAS JP, SMITH JG. Necrobiosis Lipoidica in a Negro. Arch Dermatol. 1962;85(4):532. doi:10.1001/archderm.1962.01590040096016
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