A normal or unaffected joint demonstrating the articular surfaces and the joint space. Click to view larger image.
The stationary phase of disease progression in osteoarthritis involves the formation of osteophytes or joint space narrowing. Click to view larger image.
Osteoarthritis progresses further with obliteration of the joint space. Click to view larger image.
The appearance of subchondral cysts (cysts in the bone underneath the cartilage) indicates the erosive phase of disease progression in osteoarthritis. Click to view larger image.
The last phase in the disease progression involves bone repair and remodeling. Large osteophytes form. Click to view larger image.
Medically reviewed by Aimee V. HachigianGould, MD; American Board of Orthopaedic Surgery
Klippel, John H., et al., eds. Primer on the Rheumatic Diseases. 13th ed. New York: Springer and Arthritis Foundation, 2008
Rennie, N.G., et al. "Presence of Gout Is Associated with Increased Osteoarthritis Prevalence and Severity." Arthritis and Rheumatism 63.10 Oct. 2011.
Medically Reviewed by a Doctor on 11/7/2016
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