Edema of the bone marrow can cause pain in osteoarthritis and other diseases of bone and joints.
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AJ
D018771:Arthralgia / Q000209:etiology*; D001853:Bone Marrow / Q000473:pathology*; D004487:Edema / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D020370:Osteoarthritis, Knee / Q000150:complications* / Q000473:pathology*