title: Cutaneous vasculitis, hypersensitivity vasculitis, erythema nodosum, and pyoderma gangrenosum.
authors.affiliation: Cleveland Clinic Foundation, Ohio.
authors.forename: L H
authors.initials: LH
authors.lastname: Calabrese
mesh_terms: D003937:Diagnosis, Differential; D004893:Erythema Nodosum / Q000175:diagnosis / Q000473:pathology*; D006801:Humans; D011711:Pyoderma / Q000175:diagnosis / Q000473:pathology*; D014657:Vasculitis / Q000175:diagnosis / Q000473:pathology*; D018366:Vasculitis, Leukocytoclastic, Cutaneous / Q000175:diagnosis / Q000473:pathology*