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Keratoacanthomas, Multiple. Presented by Dr. H. V. Allington, Oakland.
History.—R. E. D., a 76-year-old man, was first seen on Sept. 25, 1954. About Aug. 1, 1954, a dermatitis appeared on the backs of his hands and about an abrasion on the anterior surface of his left ankle. He was a laundry worker, and it was believed his eruption was a combination of contact dermatitis and infectious eczematoid dermatitis. The patient stated that prior to his dermatitis, several nodules had appeared on his ankle. These were not pruritic, and he gave no history of drug ingestion.
Examination.—On examination, three or four firm skin-colored nodules may be seen on his ankle and there is one on the ulnar surface of the left forearm. There is central flattening with a slightly depressed warty center. Superficial atrophic scars are present. These are at the sites of former nodules.
Treatment.—Treatment consisted of
Krause M, Allington RR. SAN FRANCISCO DERMATOLOGICAL SOCIETY. AMA Arch Derm. 1955;72(4):391–393. doi:10.1001/archderm.1955.03730340089019
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