title: Periosteal new bone formation complicating juvenile polyarteritis nodosa.
mesh_terms: D000293:Adolescent; D006801:Humans; D008297:Male; D008775:Methylprednisolone / Q000627:therapeutic use; D010522:Periostitis / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000209:etiology*; D010488:Polyarteritis Nodosa / Q000150:complications*; D011859:Radiography
chemical_list: D008775:Methylprednisolone