Pectoralis muscle uptake of thallium-201 after arm exercise ergometry. Possible confusion with lung thallium-201 activity

Pectoralis muscle uptake of thallium-201 was noted in 8 (73%) out of 11 patients after exercise arm ergometry. Uptake varied from mild to marked and potentially could be confused with pulmonary Tl-201 activity with a resulting false-positive diagnosis of exercise-induced left ventricular dysfunction...

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Bibliographic Details
Published inClinical nuclear medicine Vol. 15; no. 5; p. 303
Main Authors Campeau, R J, Garcia, O M, Correa, O A, Mace, J E
Format Journal Article
LanguageEnglish
Published United States 01.05.1990
Subjects
Arm
Exercise Test
False Positive Reactions
Heart Diseases - diagnostic imaging
Humans
Lung - diagnostic imaging
Pectoralis Muscles - diagnostic imaging
Pectoralis Muscles - metabolism
Radionuclide Imaging
Thallium Radioisotopes
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Summary:Pectoralis muscle uptake of thallium-201 was noted in 8 (73%) out of 11 patients after exercise arm ergometry. Uptake varied from mild to marked and potentially could be confused with pulmonary Tl-201 activity with a resulting false-positive diagnosis of exercise-induced left ventricular dysfunction. The three patients exhibiting negative or trace Tl-201 uptake had suboptimal exercise efforts. The characteristics of pectoralis muscle Tl-201 uptake are illustrated, and differentiation from true lung Tl-201 activity is discussed.
ISSN:0363-9762
DOI:10.1097/00003072-199005000-00004