Figure 3 A and B. Active disease histopathologic sections of the epidermis stained for acid-fast bacilli from a patient infected with Mycobacterium haemophilum. In A and B, the arrows indicate localized necrosis and presence of intracellular and extracellular bacilli and microcolonies and the presence of loose granulomas. (Slide courtesy of Michael A. Saubolle, Good Samaritan Regional Medical Center, Phoenix, Arizona, and Department of Medicine, University of Arizona School of Medicine, Tucson, Arizona.)
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