Actas Dermosifiliogr 2005 Jul-Aug;96(6):376-8
Servicio de Dermatología, Instituto Valenciano de Oncología, Valencia, Spain.
Lupus vulgaris is the most frequent form of cutaneous tuberculosis in industrialized countries. It is a chronic and benign form of cutaneous tuberculosis that usually occurs in patients previously sensitized to Mycobacterium tuberculosis. The histopathological study shows tuberculoid granulomas that usually contain Langhans-type giant cells. Caseous necrosis is not normally found. The culture is negative in most patients. On the other hand, the Mantoux test is usually highly positive. We present the case of a 58-year-old male who developed lupus vulgaris on the left cheek over a nine-year period, and who had another similar lesion on the edge of a residual scar on the left forearm from a probable scrofuloderma suffered during childhood.
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