RMKM Ali
Impact of contralateral breast shielding on the risk of developing radiation-induced cancer from full-field digital mammography screening
Ali, RMKM; England, A; Mercer, CE; Tootell, AK; Hogg, P
Authors
A England
Dr Claire Mercer C.E.Mercer@salford.ac.uk
Senior Lecturer in Radiography
AK Tootell
Prof Peter Hogg P.Hogg@salford.ac.uk
Abstract
Objective
The objective of this study was to investigate the impact of contralateral breast shielding on the risk of developing radiation-induced cancer from four-view full-field digital mammography (FFDM) screening.
Methods
A poly methyl methacrylate-polyethylene breast phantom and adult ATOM dosimetry phantom were used to measure organ dose on four FFDM machines using craniocaudal and mediolateral oblique projections for each breast. A lead rubber shield of 0.25 mm equivalent lead thickness was used to protect the contralateral breast. Organs dose, effective dose, and effective risk were calculated. For effective risk estimations, the impact of the shield was considered for the routine screening views.
Results
The contralateral breast dose was reduced by more than 95%. For each FFDM machine, contralateral breast dose reduction in μGy were 35.20 reduced to 1.93, 41.40 reduced to 0.01, 22.85 reduced to 1.24, and 22.76 reduced to 1.66. Effective risk reduction was significant (P < .05). For all FFDM machines, a small reduction was identified in sternum bone marrow dose due to the use of contralateral breast shield.
Conclusions
The results of the study demonstrate the value of a contralateral breast shield. More research is required to determine whether such a shield has clinical utility.
Citation
Ali, R., England, A., Mercer, C., Tootell, A., & Hogg, P. (2019). Impact of contralateral breast shielding on the risk of developing radiation-induced cancer from full-field digital mammography screening. Journal of Medical Imaging and Radiation Sciences, 50(2), 331-336. https://doi.org/10.1016/j.jmir.2019.02.005
Journal Article Type | Article |
---|---|
Online Publication Date | Apr 10, 2019 |
Publication Date | Jun 1, 2019 |
Deposit Date | Jul 2, 2019 |
Journal | Journal of Medical Imaging and Radiation Sciences |
Print ISSN | 1939-8654 |
Publisher | Elsevier |
Volume | 50 |
Issue | 2 |
Pages | 331-336 |
DOI | https://doi.org/10.1016/j.jmir.2019.02.005 |
Publisher URL | https://doi.org/10.1016/j.jmir.2019.02.005 |
Related Public URLs | https://www.sciencedirect.com/journal/journal-of-medical-imaging-and-radiation-sciences |
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