Lupus vulgaris in a pediatric patient: a clinicohistopathological diagnosis

AUTOR(ES)

Afsar, F. Sule, Afsar, Ilhan, Diniz, Gulden, Asilsoy, Suna, Sorguc, Yelda

FONTE

Brazilian Journal of Infectious Diseases

DATA DE PUBLICAÇÃO

2008-04

RESUMO

Lupus vulgaris is the most common form of cutaneous tuberculosis which usually occurs in patients previously sensitized to Mycobacterium tuberculosis. We present a case of a 10-year-old boy who was diagnosed as lupus vulgaris clinically and histopathologically. He had well demarcated, irregularly bordered, pink, infiltrated plaques on his left cheek showing apple-jelly appearance on diascopy. The histopathological examination showed tuberculoid granulomas with Langhans type giant cells. The Mantoux reactivity was in normal limits, and no acid-fast bacilli was found in the lesion, either by direct stained smears or by culture. The lesions showed marked improvement on anti-tuberculosis treatment. We want to emphasize that histopathological examination has diagnostic value in lupus vulgaris in correlation with clinical appearance, when direct analysis or culture is negative.

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