[Cutaneous vasculitis].

Cutaneous vasculitis is classified into the vasculitis of which vascular lesions are confined to the skin tissues and the vasculitis of which cutaneous lesions are one aspect of systemic vasculitis. The symptoms vary depending on the size of the affected blood vessel, degree of inflammation and its course and include urticarial erythema, palpable purpura, livedo sign, papule, bulla, nodule and ulceration. In this article, several clinical and histopathological findings of cutaneous vasculitis such as urticarial vasculitis, vasculitis allergica cutis, polyarteritis nodosa cutanea are described.