C M Langton
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Explore the profile of C M Langton including associated specialties, affiliations and a list of published articles.
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68
Citations
773
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Recent Articles
1.
Kairn T, Crowe S, Langton C, Trapp J
Australas Phys Eng Sci Med
. 2016 Jun;
39(3):633-44.
PMID: 27325526
This study provides a bulk, retrospective analysis of 151 breast and chest wall radiotherapy treatment plans, as a small-scale demonstration of the potential breadth and value of the information that...
2.
Wille M, Zapf M, Ruiter N, Gemmeke H, Langton C
Phys Med Biol
. 2015 Jun;
60(12):N251-60.
PMID: 26047163
The quality of ultrasound computed tomography imaging is primarily determined by the accuracy of ultrasound transit time measurement. A major problem in analysis is the overlap of signals making it...
3.
Kairn T, Asena A, Charles P, Hill B, Langton C, Middlebrook N, et al.
Australas Phys Eng Sci Med
. 2015 May;
38(2):289-97.
PMID: 26025010
Given that there is increasing recognition of the effect that sub-millimetre changes in collimator position can have on radiotherapy beam dosimetry, this study aimed to evaluate the potential variability in...
4.
Crowe S, Kairn T, Middlebrook N, Sutherland B, Hill B, Kenny J, et al.
Phys Med Biol
. 2015 Mar;
60(6):2587-601.
PMID: 25761616
This study aimed to provide a detailed evaluation and comparison of a range of modulated beam evaluation metrics, in terms of their correlation with QA testing results and their variation...
5.
Kairn T, Charles P, Cranmer-Sargison G, Crowe S, Langton C, Thwaites D, et al.
Australas Phys Eng Sci Med
. 2015 Mar;
38(2):357-67.
PMID: 25744538
There have been substantial advances in small field dosimetry techniques and technologies, over the last decade, which have dramatically improved the achievable accuracy of small field dose measurements. This educational...
6.
Charles P, Cranmer-Sargison G, Thwaites D, Kairn T, Crowe S, Pedrazzini G, et al.
Med Phys
. 2014 Oct;
41(10):101701.
PMID: 25281940
Purpose: Two diodes which do not require correction factors for small field relative output measurements are designed and validated using experimental methodology. This was achieved by adding an air layer...
7.
Khoei S, Trapp J, Langton C
Phys Med Biol
. 2014 Jul;
59(15):N129-37.
PMID: 25049236
Ultrasound has been previously investigated as an alternative readout method for irradiated polymer gel dosimeters, with authors reporting varying dose responses. We extend previous work utilizing a new computed tomography...
8.
Crowe S, Kairn T, Kenny J, Knight R, Hill B, Langton C, et al.
Australas Phys Eng Sci Med
. 2014 May;
37(3):475-82.
PMID: 24810792
The planning of IMRT treatments requires a compromise between dose conformity (complexity) and deliverability. This study investigates established and novel treatment complexity metrics for 122 IMRT beams from prostate treatment...
9.
Charles P, Cranmer-Sargison G, Thwaites D, Crowe S, Kairn T, Knight R, et al.
Med Phys
. 2014 Apr;
41(4):041707.
PMID: 24694127
Purpose: This work introduces the concept of very small field size. Output factor (OPF) measurements at these field sizes require extremely careful experimental methodology including the measurement of dosimetric field...
10.
Charles P, Crowe S, Kairn T, Knight R, Hill B, Kenny J, et al.
Phys Med Biol
. 2013 Jun;
58(13):4501-12.
PMID: 23760107
Due to their small collecting volume, diodes are commonly used in small field dosimetry. However, the relative sensitivity of a diode increases with decreasing small field size. Conversely, small air...