title: Polyarteritis nodosa in infancy: a diagnostic enigma.
mesh_terms: D000367:Age Factors; D006332:Cardiomegaly / Q000209:etiology; D003231:Conjunctivitis / Q000209:etiology; D003331:Coronary Vessels / Q000473:pathology; D004562:Electrocardiography; D004890:Erythema / Q000209:etiology; D005335:Fever of Unknown Origin / Q000209:etiology; D006801:Humans; D007223:Infant; D008297:Male; D010488:Polyarteritis Nodosa / Q000175:diagnosis*; D012737:Sex Factors