lupus vulgaris

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Tuberculous infection of the skin, usually due to direct inoculation of the tuberculosis bacillus into the skin. It is no longer common in the developed world. This type of lupus often starts in childhood, with dark red patches on the nose or cheek. Unless treated, lupus vulgaris may spread, ulcerate, and cause extensive scarring. Treatment is with antituberculous drugs.

Subjects: Medicine and Health.

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