Research/Scholarly/Creative Works

• Telford T., Roberts J., Moggré A., Meyer J. and Marsh S. (2023) Noise Considerations for Tomographic Reconstruction of Single-Projection Digital Holographic Interferometry-Based Radiation Dosimetry. Photonics 10(2) http://dx.doi.org/10.3390/photonics10020188. (Journal Articles)

• MacAskill M., Pitcher T., Melzer T., Myall D., Horne K., Shoorangiz R., Almuqbel M., Livingston L., Grenfell S. and Pascoe M. (2022) The New Zealand Parkinson’s Progression Programme. Journal of the Royal Society of New Zealand http://dx.doi.org/10.1080/03036758.2022.2111448. (Journal Articles)

• MacAskill MR., Pitcher TL., Melzer TR., Myall DJ., Horne KL., Shoorangiz R., Almuqbel MM., Livingston L., Grenfell S. and Pascoe MJ. (2022) The New Zealand Parkinson’s progression programme. Journal of the Royal Society of New Zealand http://dx.doi.org/10.1080/03036758.2022.2111448. (Journal Articles)

• Te Ruruku T., Wong F. and Marsh S. (2022) Accuracy of Acuros ^TM BV as determined from GATE monte-carlo simulation. Physical and Engineering Sciences in Medicine 45(4): 1241-1249. http://dx.doi.org/10.1007/s13246-022-01190-8. (Journal Articles)

• Duncan-Gelder P., Moggré A., Cousins A., Wilder B. and Marsh S. (2021) Accurate dosimetric measurement of large extended SSD fields for comparison to TPS models. Physica Medica 84: 220-227. http://dx.doi.org/10.1016/j.ejmp.2021.03.001. (Journal Articles)

• Haworth A., Fielding AL., Marsh S., Rowshanfarzad P., Santos A., Metcalfe P. and Franich R. (2020) Will COVID-19 change the way we teach medical physics post pandemic? Physical and Engineering Sciences in Medicine 43(3): 735-738. http://dx.doi.org/10.1007/s13246-020-00898-9. (Journal Articles)

• Lowther NJ., Marsh SH. and Louwe RJW. (2020) Dose accumulation to assess the validity of treatment plans with reduced margins in radiotherapy of head and neck cancer. Physics and Imaging in Radiation Oncology 14: 53-60. http://dx.doi.org/10.1016/j.phro.2020.05.004. (Journal Articles)

• Lowther NJ., Marsh SH. and Louwe RJW. (2020) Quantifying the dose accumulation uncertainty after deformable image registration in head-and-neck radiotherapy. Radiotherapy and Oncology 143: 117-125. http://dx.doi.org/10.1016/j.radonc.2019.12.009. (Journal Articles)

• Rajasekar A., Moggré A., Cousins A. and Marsh S. (2020) Optimising the use of EPIgray for 3DCRT breast treatments. Physical and Engineering Sciences in Medicine 43(3): 1077-1085. http://dx.doi.org/10.1007/s13246-020-00904-0. (Journal Articles)

• Hubley L., Roberts J., Meyer J., Moggré A. and Marsh S. (2019) Optical-radiation-calorimeter refinement by virtual-sensitivity analysis. Sensors (Switzerland) 19(5) http://dx.doi.org/10.3390/s19051167. (Journal Articles)

• Lowther N., Hamilton D., Kim H., Evans J., Marsh SH. and Louwe R. (2019) Monitoring anatomical changes of individual patients using statistical process control during head-and-neck radiotherapy. Physics and Imaging in Radiation Oncology 9: 21-27. http://dx.doi.org/10.1016/j.phro.2018.12.004. (Journal Articles)

• Lowther N., Marsh S. and Louwe R. (2019) Dose accumulation assessing the validity of reduced PTV margins in head-and-neck radiotherapy. Milan: ESTRO, 26-30 Apr 2019. (Conference Contributions - Other)

• Lowther N., Marsh S., Hamilton D., Kim H., Evans J. and Louwe R. (2019) Monitoring anatomical changes of individual patients using statistical process control during head-and-neck radiotherapy. Milan: ESTRO, 26-30 Apr 2019. (Conference Contributions - Other)

• Melzer TR., Stark MR., Keenan RJ., Myall DJ., Almuqbel MM., Wang J., Marsh SH., Miller DH., Dalrymple-Alford JC. and Anderson TJ. (2019) Beta amyloid deposition is not associated with cognitive impairment in Parkinson's disease. Frontiers in Neurology 10(APR) http://dx.doi.org/10.3389/fneur.2019.00391. (Journal Articles)

• Healy GEA., Marsh SH. and Cousins AT. (2018) The dosimetric effect of electron density overrides in 3DCRT Lung SBRT for a range of lung tumor dimensions. Journal of Applied Clinical Medical Physics 19(6): 79-87. http://dx.doi.org/10.1002/acm2.12446. (Journal Articles)

• Lowther N., Ipsen S., Marsh SH., Blanck O. and Keall P. (2018) Investigation of the XCAT phantom as a validation tool in cardiac MRI tracking algorithms. Physica Medica 45: 44-51. (Journal Articles)

• Scarlet BEW., Williams AJ., Marsh S. and Louwe RJW. (2018) Sensitivity and specificity of time resolved point dose measurements for patient specific quality assurance. Physics in Medicine and Biology 63(14) http://dx.doi.org/10.1088/1361-6560/aacdc8. (Journal Articles)

• Lowther N., Marsh SH., Hamilton D., Kim H., Evans J. and Louwe R. (2017) Quantifying anatomical changes using deformable image registration during head and neck radiotherapy to facilitate safe PTV margin reduction. New Plymouth: The annual conference of the New Zealand branch of the Australasian college of physical scientists and engineers in medicine, 21 Nov 2017. (Conference Contributions - Other)

• Lu G., Marsh S., Damet J., Carbonez P., Laban J., Bateman C., Butler A. and Butler P. (2017) Dosimetry in MARS spectral CT: TOPAS Monte Carlo simulations and ion chamber measurements. Australasian Physical and Engineering Sciences in Medicine 40(2): 297-303. http://dx.doi.org/10.1007/s13246-017-0532-8. (Journal Articles)

• Marsh SH. (2017) Medical Physics at the University of Canterbury. New Plymouth: The annual conference of the New Zealand branch of the Australasian college of physical scientists and engineers in medicine, 23 Nov 2017. (Conference Contributions - Other)

• Marsh SH., Cunningham B. and Lunt B. (2017) Estimating linear radiographic tissue mass from x-ray attenuation: Monte Carlo simulations and validation in mammography. New Plymouth: The annual conference of the New Zealand branch of the Australasian college of physical scientists and engineers in medicine, 23 Nov 2017. (Conference Contributions - Other)

• Marsh SH., Goodwin D., Levinson L. and Talbot J. (2017) Point dose measurement for VMAT QA: an investigation of detector choice and plan complexity. New Plymouth: The annual conference of the New Zealand branch of the Australasian college of physical scientists and engineers in medicine, 21 Mar 2017. (Conference Contributions - Other)

• Meyer J., Stewart R., Smith D., Eagle J., Lee E. and Marsh SH. (2017) Biological and dosimetric characterisation of spatially fractionated proton minibeams. Physics in Medicine & Biology 62(24): 9260-9281. http://dx.doi.org/10.1088/1361-6560/aa950c. (Journal Articles)

• Rajasekar A., Moggre A., Cousins A. and Marsh SH. (2017) Optimising the use of EPIgray in-vivo dose verification for breast treatments. Hobart: EPSM, 30 Oct-1 Nov 2017. (Conference Contributions - Other)

• Lee E., Eagle J., Sandison G., Cao N., Stewart R., Marsh SH. and Meyer J. (2016) Effects of Collimator Material On Proton Minibeams. In 43 http://dx.doi.org/10.1118/1.4956857. (Conference Contributions - Published)

• Marsh SH., EAgle J., Lee E. and Meyer J. (2016) Effects of Cardiac Induced Brain Pulsations On Proton Minibeams. In 43 http://dx.doi.org/10.1118/1.4956859. (Conference Contributions - Published)

• Stark M., Kennan RJ., Marsh S., Myall DJ., Livingston L., Dalrymple-Alford JC., Anderson TJ. and Melzer TR. (2016) Cognitive impairment in Parkinson’s disease: A study of early-phase amyloid PET and arterial spin labeling perfusion MRI.. In New Zealand Medical Journal 129: 89-89. New Zealand Medical Association. (Conference Contributions - Published)

• de Vries RJ. and Marsh S. (2015) Evaluation of backscatter dose from internal lead shielding in clinical electron beams using EGSnrc Monte Carlo simulations. Journal of Applied Clinical Medical Physics 16(6): 139-150. http://dx.doi.org/10.1120/jacmp.v16i6.5563. (Journal Articles)

• Ganet., N., Anderson., N., Bell., S., Butler., A., Butler. and P. (2015) Dosimetry for spectral molecular imaging of small animals with MARS-CT. In SPIE Proceedings 9412: 94122Y-94122Y. http://dx.doi.org/10.1117/12.2081293. (Conference Contributions - Published)

• Kron T., Azhari HA., Voon EO., Cheung KY., Ravindran P., Soejoko D., Inamaura K., Han Y., Ung NM. and TsedenIsh B. (2015) Medical physics aspects of cancer care in the Asia Pacific region: 2014 survey results. Australasian Physical and Engineering Sciences in Medicine 38(3): 493-501. http://dx.doi.org/10.1007/s13246-015-0373-2. (Journal Articles)

• Marsh SH., Barnden L. and O'Keeffe DS. (2011) Validation of co-registration of clinical lung ventilation and perfusion SPECT. Australas Phys Eng Sci Med 34: 63-68. (Journal Articles)

• Thomas GE., Poulsen CA., Siddans R., Sayer AM., Carboni E., Marsh SH., Dean SM., Grainger RG. and Lawrence BN. (2010) Validation of the GRAPE single view aerosol retrieval for ATSR-2 and insights into the long term global AOD trend over the ocean. Atmospheric Chemistry and Physics 10(10): 4849-4866. http://dx.doi.org/10.5194/acp-10-4849-2010. (Journal Articles)

• Thomas GE., Poulsen CA., Sayer AM., Marsh SH., Dean SM., Carboni E., Siddans R., Grainger RG. and Lawrence BN. (2009) The GRAPE aerosol retrieval algorithm. Atmospheric Measurement Techniques 2(2): 679-701. http://dx.doi.org/10.5194/amt-2-679-2009. (Journal Articles)

• Thomas GE., Poulsen CA., Curier RL., de Leeuw G., Marsh SH., Carboni E., Grainger RG. and Siddans R. (2007) Comparison of AATSR and SEVIRI aerosol retrievals over the Northern Adriatic. Quarterly Journal of the Royal Meteorological Society 133(SUPPL. 1): 85-95. http://dx.doi.org/10.1002/qj.126. (Journal Articles)

• Fraser G., Marsh S., Baggaley W., Bennett R., Lawrence B., McDonald A. and Plank G. (2005) Small scale structures in common-volume meteor wind measurements. Journal of Atmospheric and Solar-Terrestrial Physics 68(3-5). (Journal Articles)

• Baggaley J. and Marsh SH. (2001) Meteor Trains as a probe for measuring the Dynamics of the Upper Atmosphere. ESA SP-495 (European Space Agency Special Report) ESA Publications Div. ESTEC Noordwijk, Netherlands : 381-386. (Journal Articles)

• Baggaley J., Bennett RGT., March SH. and Galligan DP. (2001) Features of the Enhanced AMOR facility: Advanced Meteor Orbit Radar. ESA SP-495 (European Space Agency Special Report) ESA Publications Div. ESTEC Noordwijk, Netherlands : 387-391. (Journal Articles)

Student Supervision

Displaying all items.

• Masters - Wise B: Development of novel method for superficial radiotherapy patient quality assurance
Current
• PhD - Eagle J: Development of collimator for proton therapy
Completed
• Masters - Anderson M: Investigation of the robustness of the Anzai respiratory gating system (2013)
• Masters - Bird J: 2013-Masters Thesis-Bird, Joshua (2015)
• Masters - Cunningham B: Breast density prediction models for improved mammography imaging (2017)
• Masters - Devries R: Dosimetric Investigation of Backscattered Electrons from Internal Shielding in Clinical Electron Beams (2014)
• Masters - Eagle J: Kinect Surface Tracking (2014)
• Masters - Goodwin D: The influence of beam modulation and plan complexity on point dose measurements in VMAT fields
• Masters - Healy G: To be determined
• Masters - Karl A: Production of custom phantoms and bolus for use in radiation therapy using 3D printers
• Masters - Kaur G: Florbetaben amyloid imaging for cognitive impairment in Parkinson's disease (2016)
• Masters - Lowther N: Template matching algorithm for MRI-Linac treatment of atrial fibrilation
• Masters - Scarlett B: The sensitivity and specificity of patient-specific quality control at the Wellington Blood and Cancer Centre
• Masters - Shenoy C: 2014-Masters Thesis-Shenoy, Chitra
• Masters - Small J: Alzheimers prediction from PET and MRI imagery
• Masters - Tan M: Assessment of dementia from PET and MRI imaging
• Masters - Henry N: IMRT QA assessment
• Honours - Hubbley L: Camera based linear accelerator centre of rotation measurement (2014)

Review and Refereeing

Displaying all items.

• EPSM 2015 ( 2015 )
• Australasian Physical and Engineering Sciences in Medicine ( 2017 - 2023)

Future Research

• Further development of Proton minibeam therapy
• Development of high spatial resolution dosimetry systems
• IMRT optimisation