Spurious thyroid cancer metastasis: saliva contamination artifact in high dose iodine-131 metastases survey.

  • 1 May 1986
    • journal article
    • case report
    • Vol. 27  (5) , 634-6
Abstract
The use of high dose 131I for workup of thyroid cancer patients increases the chance of contamination artifact which may mimic metastases. Two elderly male patients with follicular carcinoma of the thyroid had salivary contamination artifacts on metastatic survey scans. These patients received a 1 and 10 mCi dose of 131I, respectively. The artifacts were recognized only retrospectively when follow-up scans were obtained and compared. The characteristics of contamination artifacts and several methods to confirm these are discussed.

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