Figure 2.

Skin findings. (A) Left ankle with purpuric lesions. (B) Light microscopy of the skin biopsy. Many neutrophils (arrow) infiltrated around vessels (dashed line) with nuclear fragments (arrowhead) (600×).

Skin findings. (A) Left ankle with purpuric lesions. (B) Light microscopy of the skin biopsy. Many neutrophils (arrow) infiltrated around vessels (dashed line) with nuclear fragments (arrowhead) (600×).