Figure 1
From: Cutaneous infection by Mycobacterium haemophilum and kansasii in an IgA-deficient man
Clinical and histological findings. On the right arm (A) erythematous nodules (B) were found in a sporotrichoid-like manner. At the back (C) a sharply marginated erythematous plaque (D) was seen. The histopathology of the skin revealed in the dermis disseminated caseating partly epitheloid cell granulomas with a marginal zone of lymphocytes and a subepidermal lymphohistiocytic infiltrate with perivascular accentuation (E). Close up of an epitheloid cell granuloma (F).