Involvement of the manubrio-sternal articulation in rheumatoid arthritis.
Changes in the manubrio-sternal articulation (MSA) were examined radiologically in 87 patients with rheumatoid arthritis and in a control group comprised of 23 patients with osteoarthritis and 72 subjects without joint disease. Erosions, reactive sclerosis and ankylosis were encountered in 70% of the rheumatoid arthritis group and in 27% of controls. There was no difference in the incidence of changes in persons with osteoarthritis and in the other control subjects.
Kivelä Hospital, Helsinki, Finland.
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Laitinen
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Saksanen
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Suoranta