Abstract
The authors report on a patient with reverse discordant behavior between Tc-99m pertechnetate and I-131 associated with progressive filling of a cold nodule on the Tc-99m pertechnetate thyroid scan. Possible mechanisms are discussed.
MeSH terms
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Adult
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Female
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Humans
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Iodine Radioisotopes*
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Predictive Value of Tests
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Radionuclide Imaging
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Sodium Pertechnetate Tc 99m*
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Thyroid Diseases / diagnostic imaging*
Substances
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Iodine Radioisotopes
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Sodium Pertechnetate Tc 99m