AbstractThirty‐seven consecutive renal transplant recipients were studied prospectively for joint disease. Six developed arthralgias while corticosteroid doses were being lowered. Eleven patients (30%) developed knee effusions at a mean interval of 10 days following transplantation. Synovial fluids were colorless or very pale yellow, with few leukocytes (mean, 28/mm3). These benign transudative effusions did not correlate with immunologic abnormalities, transplant rejection, crystal deposition, or avascular necrosis and may have been due to high dose oral corticosteroid therap
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