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Figure 1. A 22-year-old man lacerated the back of his left index finger while cleaning his fish tank. When seen three months later, he had a verrucous, crusted plaque at the site of the injury and two subcutaneous nodules along the line of lymphatic drainage. He was afebrile and asymptomatic but was concerned about the nodules. A punch biopsy of the border of the plaque was obtained. Half was sent for routine histologic analysis and staining for acid-fast bacilli; the results of both were nondiagnostic. The other half was sent for mycobacterial culture at 30 to 33°C, which revealed . . . [Full Text of this Article] |
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