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Radiation Protection Dosimetry Advance Access published online on February 7, 2006
Radiation Protection Dosimetry, doi:10.1093/rpd/nci760
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© The Author 2006. Published by Oxford University Press. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

Leuvens Special Issue Article

TOWARDS A PROPOSITION OF A DIAGNOSTIC (DOSE) REFERENCE LEVEL FOR MAMMOGRAPHIC ACQUISITIONS IN BREAST SCREENING MEASUREMENTS IN BELGIUM

K. Smans 1 *, H. Bosmans 1, M. Xiao 1, A. K. Carton 1, and G. Marchal 1

1 UZ Leuven, Herestraat 49, 3000 Leuven, Belgium

* To whom correspondence should be addressed.
K. Smans, E-mail: Kristien.Smans{at}uz.kuleuven.ac.be


  Abstract

A diagnostic reference level (DRL) is a dose level for a typical X-ray examination of a group of patients with standard body sizes and for broadly defined types of equipment. These levels are expected not to be exceeded for standard procedures when good and normal practice regarding diagnostic and technical performance is applied. In this paper, we have calculated DRLs for screening mammography in Belgium. The 95th percentile of the mean average glandular dose is 2.46 mGy. The DRL based on polymethyl methacrylate (PMMA) measurements was 2.08 mGy. Correlation coefficient (R) between doses from patient studies and phantom studies was 0.90, with an average underestimation of the phantom measurements of 15% for systems that use only Mo/Mo anode/filter. For the centres that use other anode/filters, there is not enough scientific evidence that a single phantom measurement of a standard PMMA block is representative for the patient dose.


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K. Michielsen, J. Jacobs, K. Lemmens, J. Nens, J. Zoetelief, K. Faulkner, and H. Bosmans
RESULTS OF A EUROPEAN DOSE SURVEY FOR MAMMOGRAPHY
Radiat Prot Dosimetry, April 21, 2008; (2008) ncn152v1.
[Abstract] [Full Text] [PDF]


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