Unusual geodes ('bone cysts') in rheumatoid arthritis.
D001172:Arthritis, Rheumatoid / Q000150:complications*; D001178:Arthroplasty; D001845:Bone Cysts / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D001862:Bone Resorption / Q000150:complications*; D002114:Calcinosis / Q000150:complications; D005269:Femur / Q000000981:diagnostic imaging; D006801:Humans; D007717:Knee / Q000000981:diagnostic imaging; D007719:Knee Joint; D008297:Male; D008875:Middle Aged; D011859:Radiography; D013977:Tibia / Q000000981:diagnostic imaging; D014054:Tomography