Document Detail

Absolute quantitation of radioactivity using the buildup factor.
MedLine Citation:
PMID:  6328238     Owner:  NLM     Status:  MEDLINE    
A quantitation scheme for absolute activity measurements with the gamma camera is presented. The technique relies on the use of a set of derived buildup factors to correct for the effects of scatter. Only anterior and posterior view count rates of the region of interest are required for quantitation. The buildup factors are reported for various depths for two different source sizes using the parallel-hole collimator with a specific window setting. Phantom studies have shown that the method provides less than 5% error for activity determinations at all investigated depths.
R K Wu; J A Siegel
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Medical physics     Volume:  11     ISSN:  0094-2405     ISO Abbreviation:  Med Phys     Publication Date:    1984 Mar-Apr
Date Detail:
Created Date:  1984-06-29     Completed Date:  1984-06-29     Revised Date:  2008-11-21    
Medline Journal Info:
Nlm Unique ID:  0425746     Medline TA:  Med Phys     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  189-92     Citation Subset:  IM    
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MeSH Terms
Gamma Rays
Models, Anatomic
Physical Phenomena
Radiation Dosage
Radiation Monitoring / methods*
Sodium Pertechnetate Tc 99m
Technetium / diagnostic use*
Reg. No./Substance:
23288-60-0/Sodium Pertechnetate Tc 99m; 7440-26-8/Technetium

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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