Cutaneous vasculitis update

The classification of cutaneous vasculitis and its general principles, incl uding clinical patterns, pathogenesis, and causes, are reviewed in this art icle. Several types of cutaneous vasculitis are discussed in detail, includ ing Henoch-Schonlein purpura, erythema elevatum diutinum, and cutaneous pol yarteritis nodosum. The approach to treatment for cutaneous vasculitis also is reviewed.