Significance of absent or faint kidney sign on bone scan.

  • 1 June 1975
    • journal article
    • Vol. 16  (6) , 454-6
Abstract
Seven men, six suffering from widespread bone metastases of prostatic origin and one with urinary bladder carcinoma, demonstrated minimal or no discernible radioactivity in the kidneys and urinary bladder at the time of bone scanning using 99mTc-stannous polyphosphate. The mechanism behind this scan finding is thought to be rapid and enhanced uptake of the radiopharmaceutical by pathologic bone. The significance of the faint or absent kidney sign in bone scanning, particularly in cases where abnormally homogeneous and symmetric radioactivity exists, is discussed.

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