J Rheumatol
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Manubriosternal joint involvement in rheumatoid arthritis is not rare and may be evidenced by erosion, reactive sclerosis and ankylosis. Frequent reports of such involvements appear in the radiological literature but only 3 cases where this had been associated with clinically evident subluxation of the joint have been reported previously. ⋯ Chronic or recurrent chest infections have been incriminated in the production of this deformity. However, the evidence seen in our series suggests rather, that this deformity is closely associated with severe cervicodorsal spinal erosion and deformity and that its presence should alert clinicians to potential problems of cervical cord compression.