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Figure 1. Bacillary angiomatosis and Kaposi's sarcoma can be especially difficult to differentiate clinically. In each pair of figures, one shows a bacillary angiomatosis lesion (Panels A and B) and one shows a clinically indistinguishable Kaposi's sarcoma lesion (Panels C and D). There are many causes of moist, erosive cutaneous vascular lesions in immunocompromised patients. A tissue biopsy is required for diagnosis. Other bacterial and fungal infections, as well as pyogenic granuloma, may also have similar clinical appearances. On routine staining with hematoxylin and eosin, bacillary angiomatosis lesions show acute neutrophilic inflammation and capillary proliferation. Kaposi's sarcoma lesions show . . . [Full Text of this Article] |
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