Mycobacterium marinum skin infection successfully treated with levofloxacin

REPORT OF A CASE A 30-year-old Japanese man first noticed a small, slightly pruritic nodule on the dorsum of his left hand in December 1993. Before the patient presented to us in May 1994 he was treated by his personal physician, who prescribed several antibiotics for 2 months without apparent response. The nodule slowly grew and became tender. Another small nodule then appeared on his left forearm. The patient had kept tropical fish for 5 years and he reported injuring his left hand when cleaning the fish tank. A physical examination revealed 2 dark, erythematous, and slightly elevated nodules that measured 37×17 mm on the dorsum of his left hand and 47×25 mm on his forearm (Figure 1). Both nodules were exudative and purulent. The superficial regional lymph nodes were not swollen. Results of the laboratory examination, which included a complete blood cell count with differentiation, blood chemistry profile, and