[3 cases of giant bursal cyst due to rheumatoid arthritis ].
D000368:Aged; D001172:Arthritis, Rheumatoid / Q000150:complications*; D002061:Bursa, Synovial; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013581:Synovial Cyst / Q000209:etiology*