Document Detail

Extra cardiac activity detected on myocardial perfusion scintigraphy after intra-arterial injection of 99mTc-MIBI.
MedLine Citation:
PMID:  18540876     Owner:  NLM     Status:  MEDLINE    
PURPOSE: We present an unusual case of extra cardiac activity of 99mTc-MIBI in the left part of thorax and left upper extremity in a patient admitted for myocardial perfusion scintigraphy. METHODS: A standard 2-day protocol of 99mTc-MIBI perfusion scintigraphies starting day 1 with stress (dipyridamol) imaging and followed by rest imaging day 2 was performed. RESULTS: On day 2, when rest perfusion scintigraphy was carried out, extra cardiac activity was present in the left part of thorax and in the left upper extremity resulting in reduced accumulation of 99mTc-MIBI in cardiac tissue, prolongation of the study and interference of the extra cardiac activity with the cardiac image reconstructions. Whole-body scintigraphy disclosed an arterial flow distribution of activity to skeletal muscles in left shoulder and upper limb. CONCLUSION: Accidentally injected radiotracer retrogradely into the arterial system resulted in an unusual extra cardiac activity interfering with later image processing.
Pia Afzelius; Jens H Henriksen
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Publication Detail:
Type:  Case Reports; Journal Article     Date:  2008-06-05
Journal Detail:
Title:  Clinical physiology and functional imaging     Volume:  28     ISSN:  1475-0961     ISO Abbreviation:  Clin Physiol Funct Imaging     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-09-22     Completed Date:  2008-10-24     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101137604     Medline TA:  Clin Physiol Funct Imaging     Country:  England    
Other Details:
Languages:  eng     Pagination:  285-6     Citation Subset:  IM    
Department of Clinical Physiology and Nuclear Medicine, Hvidovre Hospital, Faculty of Health Sciences, University of Copenhagen, Denmark.
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MeSH Terms
Arm / radionuclide imaging
Exercise Test / methods
Middle Aged
Muscle, Skeletal / radionuclide imaging
Myocardial Ischemia / radionuclide imaging*
Radiopharmaceuticals / diagnostic use*
Shoulder / radionuclide imaging*
Technetium Tc 99m Sestamibi / diagnostic use*
Thorax / radionuclide imaging*
Tomography, Emission-Computed, Single-Photon*
Reg. No./Substance:
0/Radiopharmaceuticals; 109581-73-9/Technetium Tc 99m Sestamibi

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