title: Synovial cysts in juvenile rheumatoid arthritis.
mesh_terms: D001172:Arthritis, Rheumatoid / Q000150:complications*; D002648:Child; D006801:Humans; D007719:Knee Joint; D008297:Male; D011859:Radiography; D012785:Shoulder Joint; D013581:Synovial Cyst / Q000150:complications* / Q000000981:diagnostic imaging / Q000209:etiology