Figure 214

Skin biopsy from a patient with small vessel vasculitis demonstrating the typical dermal leukocytoclastic angiitis pattern of venulitis that results in vasculitic purpura. This histologic lesion is nonspecific and can be a component of any of the small vessel vasculi-tides. Additional immunohistologic, serologic, and clinical observations are required to determine what is causing the leukocytoclastic angiitis (Figs. 2-9 and 2-10). (Hematoxylin and eosin stain.)

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