SCINTIGRAPHIC AND X-RAY ARTHROGRAPHIC DIAGNOSIS OF FEMORAL PROSTHESIS LOOSENING - CONCISE COMMUNICATION

  • 1 January 1984
    • journal article
    • research article
    • Vol. 25  (6) , 661-663
Abstract
In order to determine loosening of femoral components of conventional total hip arthroplasties, a comparison of radionuclide (RA) and radiographic arthrograms (XA) was performed. The hips of 29 patients were studied with radiographic contrast and intraarticular 99mTc sulfur colloid. The XA were positive for loosening in 10/29 studies, whereas the RA were positive in 19/29 studies. In 5 of 10 in which both studies were positive, the RA showed femoral prosthesis loosening more clearly than the XA. By surgical follow-up, there were 4 false-negative XA. The RA evidently is valuable in determining femoral component loosening.

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