J. MICHAEL GRELIER, M.D.; JOE G. HARDIN, M.D.
The sternoclavicular joint is commonly involved in rheumatoid arthritis, but a synovial cyst of this joint has not been recognized as a clinical problem. We report here a patient with such a cyst, which presented as an undiagnosed anterior mediastinal mass and required thoracotomy for definition.
The patient, a 32-year-old housewife, had the onset of symmetrical arthritis 5 years ago. The disease progressed rapidly to most of her peripheral joints but was only moderately disabling and sporadically treated until 2 years ago, when she suddenly developed bilateral foot drop associated with paresthesias of the legs. Treatment with systemic corticosteroids in
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GRELIER JM, HARDIN JG. Synovial Cyst of Sternoclavicular Joint as Mediastinal Mass. Ann Intern Med. 1975;83:525–526. doi: 10.7326/0003-4819-83-4-525
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Published: Ann Intern Med. 1975;83(4):525-526.
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Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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