The swimming-pool granuloma is a chronic granulomatous infection following injury of skin with exposure to water where Mycobacterium marinum is present as a normal saprophyte. This atypical mycobacteria infection is never causes a systemic disease except immunosupressive patients A 58-year old male patient presented with swimming-pool granuloma on the left hand. Eight years ago; he injured his hand while he was spliting the the mussel crust to feed his fishes in the aquarium and annular, verrucous, granulomatous lesions have been developed. We reviewed the literature and update the clinical characteristics and risk factors for these diseases.
Keywords: The swimming-pool granuloma, Mycobacterium marinum