Persistent Binding of Tc-99m Pertechnetate to Erythrocytes in a Patient Receiving Multiple Pharmaceuticals

In a 50-year-old man, an attempt to visualize the thyroid using intravenous Tc-99m pertechnetate produced a blood-pool scan. The same finding was noted when the study was tried again 7 days later. The thyroid was functional, as shown by accumulation of I-123 sodium iodide. The patient was taking a “...

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Bibliographic Details
Published in:Clinical nuclear medicine 2000-02, Vol.25 (2), p.152-152
Main Authors: VENTO, JOHN A, SWING, LARRY S, SPENCER, RICHARD P
Format: Article
Language:English
Subjects:
Biological and medical sciences
Contrast media. Radiopharmaceuticals
Drug Therapy, Combination
Endocrine glands. Genital system. Mammary gland
Erythrocytes
Humans
Investigative techniques, diagnostic techniques (general aspects)
Male
Medical sciences
Middle Aged
Pharmacology. Drug treatments
Radionuclide Imaging
Radionuclide investigations
Sodium Pertechnetate Tc 99m - pharmacokinetics
Thyroid Gland - diagnostic imaging
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Summary:In a 50-year-old man, an attempt to visualize the thyroid using intravenous Tc-99m pertechnetate produced a blood-pool scan. The same finding was noted when the study was tried again 7 days later. The thyroid was functional, as shown by accumulation of I-123 sodium iodide. The patient was taking a “polypharmacy” of medications, which may have facilitated binding of Tc-99m pertechnetate to erythrocytes.
ISSN:0363-9762
1536-0229
DOI:10.1097/00003072-200002000-00022