Erythema elevatum diutinum. A type of allergic vasulitis.
D004890:Erythema / Q000209:etiology*; D006801:Humans; D016491:Peripheral Vascular Diseases / Q000209:etiology*; D014652:Vascular Diseases; D018366:Vasculitis, Leukocytoclastic, Cutaneous
ERYTHEMA/etiology; VASCULAR DISEASES, PERIPHERAL/etiology