Synovectomy of the knee.
D001172:Arthritis, Rheumatoid / Q000000981:diagnostic imaging / Q000601:surgery*; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging / Q000601:surgery*; D007719:Knee Joint; D011182:Postoperative Care; D011859:Radiography; D000074402:Synovectomy