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Gummas of the Right Tibia. Presented by Dr. Henry Benjamin, Medford, Mass.
This man, a painter aged 63, states that about five months ago his right leg was hit with a board which bruised his shin. A lesion developed and steadily increased in size until it reached that of a 50 cent piece. Within a short time two other lesions appeared below the original one. A burning sensation is present occasionally.
There are three circular ulcers on the middle third of the right leg, varying in size from that of a 25 cent piece to that of a 50 cent piece. The uppermost ulcer is hard and has raised edges; the others appear punched out in the skin. The base of each ulcer is covered with a greenish cheesy slough. A diffuse erythematous zone around the leg extends from about 2 inches (5 cm.) below the knee to the ankle.
Blaisdell JH, Jacoby R. NEW ENGLAND DERMATOLOGICAL SOCIETY. Arch Derm Syphilol. 1935;32(1):129–136. doi:10.1001/archderm.1935.01470010132021
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