title: Painful brachial plexopathy: an unusual presentation of polyarteritis nodosa.
mesh_terms: D000368:Aged; D001917:Brachial Plexus / Q000473:pathology*; D006801:Humans; D008297:Male; D010523:Peripheral Nervous System Diseases / Q000209:etiology; D010488:Polyarteritis Nodosa / Q000150:complications / Q000175:diagnosis* / Q000473:pathology; D012009:Recurrent Laryngeal Nerve / Q000473:pathology