Small vessel cutaneous vasculitis refers to a group of disorders usually characterized by palpable purpura, caused by leukocytoclastic vasculitis of postcapillary venules. Vasculitis can range in severity from a self-limited single-organ disorder to a life-threatening disease with the prospect of multiple-organ failure. This group of diseases presents many challenges to the dermatologist, including classification and diagnosis, laboratory workup, treatment, and the need for careful follow-up. This article reviews the subtypes of small vessel cutaneous vasculitis and current treatment options; it also presents a comprehensive approach to diagnosing and treating the patient with suspected cutaneous and systemic vasculitis.
Antibodies, antineutrophil cytoplasmic; Purpura; Vasculitis; Vasculitis; Vasculitis; Vasculitis, allergic cutaneous; Vasculitis, hypersensitivity