Assessment of effective dose from concomitant exposures required in verification of the target volume in radiotherapy

The British Journal of Radiology
S P Waddington, A L McKenzie

Abstract

The requirement of the Ionising Radiation (Medical Exposure) Regulation 2000 [IR(ME)R] of justifying all exposures to ionizing radiation includes those from radiotherapy double exposure portal images resulting in exposure to normal tissues outside the treatment volume. Typical effective doses were calculated for a range of common sites using CT data to outline those parts of specific organs subject to concomitant radiation and generate dose-volume histograms. The product of the mean dose and the relative probability of inducing a fatal cancer in specific organs was used to determine a representative total effective dose in mSv per monitor unit for each site. A table of representative effective doses, ranging from 0.32 mSv to 2.56 mSv per monitor unit, was produced, which may be used to monitor cumulative effective doses of individual patients from double exposure portal images, in addition to those received from localization procedures.

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Citations

Feb 25, 2009·Medical Physics·Emiliano SpeziRichard Jarvis
May 17, 2014·Medical Dosimetry : Official Journal of the American Association of Medical Dosimetrists·Linda J BellAndrew Kneebone
Dec 1, 2004·The British Journal of Radiology·E G A Aird
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Feb 26, 2005·The British Journal of Radiology
Dec 11, 2007·The British Journal of Radiology·R M HarrisonM Moore
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Apr 1, 2007·Biomedical Imaging and Intervention Journal·P Ravindran
Dec 17, 2010·Australasian Physical & Engineering Sciences in Medicine·Vikren SarkarNiko Papanikolaou
Oct 27, 2011·International Journal of Radiation Oncology, Biology, Physics·Emiliano SpeziJohn Staffurth
Aug 24, 2010·Cancer radiothérapie : journal de la Société française de radiothérapie oncologique·A LisbonaJ-L Lagrange
Feb 21, 2008·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Margaret C McEntee
Sep 17, 2013·Journal of Applied Clinical Medical Physics·Moses TamAshwatha Narayana
Nov 15, 2018·Medical Physics·C LindsayJ Star-Lack
Nov 22, 2007·Physics in Medicine and Biology·C K McGarryV P Cosgrove
Nov 11, 2014·Physics in Medicine and Biology·Kazunari HiokiYuuki Tomiyama
Apr 14, 2016·Journal of Applied Clinical Medical Physics·Hui Yan, Jian-Rong Dai

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