[Paracoccidioidomycosis. Accidental inoculation "in anima nobile." Report of a case]

A case of paracoccidioidomycosis by accidental innoculation on the back of the left hand in a female patient is presented. Clinically the manifestation was of a hard and painful nodular lesion. This lesion was completely excised surgically. This lesion was completely excised surgically. The material obtained revealed the "Paracoccidioides brasillensis" by direct and histopathologic microscopic examinations. No culture was obtained. The histopathologic aspect of the lesion was of a tuberculoid granuloma. The immunological study demonstrated a positive intradermic test and negative results by complement fixation and preciptin reactions. The lesion cured completely after the surgical excision and sulfadimetoxin treatment.