TECHNETIUM-99M-PYROPHOSPHATE BONE SCANS IN HYPERPARATHYROIDISM

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  • 1 January 1977
    • journal article
    • research article
    • Vol. 18  (3) , 231-235
Abstract
Most patients with primary hyperparathyroidism have normal 5 h bone-to-soft-tissue ratios for 99mTc-pyrophosphate. All 5 patients with advanced secondary hyperparathyroidism in this study showed significant (P < 0.001) increases of bone uptake. In the early period after parathyroidectomy, there was no quantitative or qualitative change in uptake. A limited decrease of bone uptake was observed only after prolonged periods of observation. In itself, parathyroid activity seems to have little direct influence on bone uptake of 99mTc-pyrophosphate.