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Calculating the peak skin dose resulting from fluoroscopically guided interventions. Part I: Methods.
MedLine Citation:
PMID:  22089023     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
While direct measurement of the peak skin dose resulting from a fluoroscopically-guided procedure is possible, the decision must be made a priori at additional cost and time. It is most often the case that the need for accurate knowledge of the peak skin dose is realized only after a procedure has been completed, or after a suspected reaction has been discovered. Part I of this review article discusses methods for calculating the peak skin dose across a range of clinical scenarios. In some cases, a wealth of data are available, while in other cases few data are available and additional data must be measured in order to estimate the peak skin dose. Data may be gathered from a dose report, the DICOM headers of images, or from staff and physician interviews. After data are gathered, specific steps must be followed to convert dose metrics, such as the reference point air kerma (Ka,r) or the kerma area product (KAP), into peak skin dose. These steps require knowledge of other related factors, such as the f-factor and the backscatter factor, tables of which are provided in this manuscript. Sources of error and the impact of these errors on the accuracy of the final estimate of the peak skin dose are discussed.
Authors:
A Kyle Jones; Alexander S Pasciak
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Publication Detail:
Type:  Journal Article     Date:  2011-11-15
Journal Detail:
Title:  Journal of applied clinical medical physics / American College of Medical Physics     Volume:  12     ISSN:  1526-9914     ISO Abbreviation:  J Appl Clin Med Phys     Publication Date:  2011  
Date Detail:
Created Date:  2011-11-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101089176     Medline TA:  J Appl Clin Med Phys     Country:  United States    
Other Details:
Languages:  eng     Pagination:  3670     Citation Subset:  IM    
Affiliation:
The University of Texas M. D. Anderson Cancer Center. kyle.jones@mdanderson.org.
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