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November 1958


AMA Arch Derm. 1958;78(5):662-667. doi:10.1001/archderm.1958.01560110108022

Lupus Vulgaris of the Left Buttock. Presented by Dr. Max Wolf.

A white man now 68 years of age was found to have tuberculosis of the left ankle joint in 1946. Amputation of the left leg, 7 in. below the left knee, was performed in 1947, after unsuccessful ankle fusion. In the same year a cold abscess was excised, and two years later surgical fusion of the lumbar vertebrae was performed because of tuberculosis in the region.

The present skin condition appeared about one year ago and developed into a violaceous well-defined patch that measured about 5×4 in. and covered most of the left buttock. The center of the patch was crusted and boggy. The peripheral zone (1 in. wide) was raised above the level of the surrounding normal skin and consisted of closely set or confluent soft papules. A probe could be sunk into the papules with moderate

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