Radioiodine therapy of hyperthyroidism precludes thallium-201 myocardial scintigraphy

The authors attempted to perform Tl-201 myocardial perfusion scintigraphy in a 42-year-old man 23 and 35 days after he received 9.8 mCi of oral I-131 for documented Graves' disease. Interference from primary and scattered photons from residual thyroid I-131 made Tl-201 myocardial scintigraphy t...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 12; no. 2; p. 110
Main Authors Orzel, J A, Kruyer, W B, Borchert, R D
Format Journal Article
LanguageEnglish
Published United States 01.02.1987
Subjects
Adult
Graves Disease - radiotherapy
Humans
Iodine Radioisotopes - therapeutic use
Male
Myocardial Infarction - diagnostic imaging
Radioisotopes
Radionuclide Imaging
Thallium
Thyroid Gland - diagnostic imaging
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Summary:The authors attempted to perform Tl-201 myocardial perfusion scintigraphy in a 42-year-old man 23 and 35 days after he received 9.8 mCi of oral I-131 for documented Graves' disease. Interference from primary and scattered photons from residual thyroid I-131 made Tl-201 myocardial scintigraphy technically impossible. A series of phantom and patient studies using I-131 and Tl-201 were performed, yielding guidelines for planning Tl-201 myocardial scintigraphy following radioiodine therapy.
ISSN:0363-9762
DOI:10.1097/00003072-198702000-00005