Association of bone marrow changes with worsening of knee osteoarthritis.
D000368:Aged; D001853:Bone Marrow / Q000000981:diagnostic imaging / Q000473:pathology*; D018450:Disease Progression; D004487:Edema / Q000000981:diagnostic imaging / Q000473:pathology*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007719:Knee Joint / Q000473:pathology; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D020370:Osteoarthritis, Knee / Q000000981:diagnostic imaging / Q000473:pathology*; D011859:Radiography; D012307:Risk Factors