marginal erosion


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marginal erosion

Bony destruction that occurs at the outer borders of a joint space in inflammatory arthritis such as rheumatoid arthritis. It is visible on radiographic images of joints, e.g., plain films or magnetic resonance imaging.
See also: erosion
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References in periodicals archive ?
A radiograph of the feet revealed a classic 'punched-out' lytic lesion, marginal erosions, and an associated overhanging edge at the distal metatarsals.