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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 J+Appl+Clin+Med+Phys
2011 ; 12
(4
): 3670
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Calculating the peak skin dose resulting from fluoroscopically guided
interventions Part I: Methods
#MMPMID22089023
Jones AK
; Pasciak AS
J Appl Clin Med Phys
2011[Nov]; 12
(4
): 3670
PMID22089023
show ga
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 (K(a,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.