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Medicina interna de México

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SANCHEZ-CARDENAS, Carlos Daniel; PALOMARES, María Paz  and  ARENAS-GUZMAN, Roberto. Tuberculosis verrucosa cutis. Med. interna Méx. [online]. 2018, vol.34, n.2, pp.349-353. ISSN 0186-4866.

Tuberculosis is a global infection with pulmonary and extrapulmonary forms. Cutaneous tuberculosis corresponds to 0.5-2% of all extrapulmonary forms. The warty form comprises 8% of all cutaneous forms. It is a localized lesion, of exogenous reinfection or external inoculation. Usually, it occurs after a trauma to the skin; most occurring on the fingers and the back of the hands. The definitive diagnosis requires the isolation of the microorganism by culture or sequencing by PCR, but there is a high frequency of negative cultures, so the diagnosis is made based on clinical-pathological correlation and response to antituberculosis treatment. The aim of this article is to report a case of verrucous cutaneous tuberculosis and differentiate this dermatological entity from that caused by M. marinum because of its similarity in clinical presentation.

Keywords : Cutaneous tuberculosis; Mycobacterium tuberculosis; Mycobacterium marinum.

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