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Radioactivity studies on 2 synovial specimens after radiation synovectomy with yttrium-90 silicate.
  1. P B Dunscombe,
  2. N W Ramsey


    Synovial membranes surgically removed from the knees of 2 patients who had received radioactive yttrium-90 silicate have been examined. Autoradiographs showed that in both cases the activity was unevenly distributed over the synovium. One of the specimens, removed 7 weeks after administration of the isotope, was found to contain a slight degree of radioactivity, attributable in part to a long-lived radioactive contaminant.

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