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Osteophytes are cartilage-capped bony proliferations (bony spurs) that most commonly develop at the margins of a synovial joint as a response to articular cartilage damage, as seen very commonly in degenerative joint disease. Central osteophytes can develop from cartilage lesions within a joint. They are considered a hallmark of osteoarthritis. Osteophytes may be confused with syndesmophytes and enthesophytes.
Small osteophytes are sometimes referred to as osteophytic lipping.
Aside from the manifestations of osteoarthritis, osteophytes can also:
- fracture causing pain
- impinge neuromuscular structures
- present as Heberden nodes and Bouchard nodules in osteoarthritis of the hand
Currently, it is unknown if osteophytes are a functional adaptation to joint disease or a pathological phenomenon in their own right 1.
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