title: Serious systemic disease: what are the skin signs?
mesh_terms: D000052:Acanthosis Nigricans / Q000175:diagnosis; D002481:Cellulitis / Q000175:diagnosis; D006801:Humans; D008209:Lymphedema / Q000175:diagnosis; D011081:Polychondritis, Relapsing / Q000175:diagnosis; D011561:Pseudoxanthoma Elasticum / Q000175:diagnosis; D012507:Sarcoidosis / Q000175:diagnosis; D012877:Skin Manifestations; D014657:Vasculitis / Q000175:diagnosis