Allergic cutaneous angiitis

Definition: Disorder characterized by a vasculitic syndrome associated with exposure to an antigen such as a drug, infectious agent, or other foreign or endogenous substance. Its pathophysiology includes immune complex deposition and a wide range of skin lesions. Hypersensitivity or allergy is present in some but not all cases.

Synonyms (terms occurring on more labels are shown first): hypersensitivity vasculitis, allergic vasculitis, vasculitis allergic