Professor David Thwaites

A28 - Physics Building
The University of Sydney

Telephone +61 2 9351 8731
Fax +61 2 9351 7726

Research interests

Radiation oncology physics, radiation dosimetry, radiation protection, imaging in oncology, image-guided radiotherapy. Director of the Institute of Medical Physics.

Selected grants

2014

  • Do treatment delivery uncertainties limit the effectiveness of advanced technology radiotherapy treatments?; Thwaites D, Arumugam S, Vinod S, Lee M, Rozenfeld A, Metcalfe P; Cancer Council New South Wales/Research Project Grants.

2013

  • Conjoint research medical physics post (Orange CCC and USyd Institute of Medical Physics): Advanced radiation oncology technology and techniques; Thwaites D; Health Administration Corporation/Research Support.
  • Institute of Medical Physics conjoint university-hospital medical physics research post; Thwaites D; Calvary Mater Hospital (CMN) - Newcastle/Research Support.
  • Institute of Medical Physics conjoint university-hospital medical physics research post; Thwaites D; Westmead Hospital/Research Support.

2012

  • The national medical physics university network; Thwaites D; Department of Health and Ageing (Federal)/Targeted Prevention Programs.
  • Radiation oncology medical physics conjoint academic posts; Thwaites D; Department of Health and Ageing (Federal)/Targeted Prevention Programs.
  • Medical Physics academic program Co-ordinators Group (MPCG); Thwaites D; Department of Health and Ageing (Federal)/Targeted Prevention Programs.
  • An adaptable and dedicated linear accelerator for medical radiation research; Keall P, Jackson M, Rozenfeld A, Barton M, Greer P, Vial J, Baldock C, Metcalfe P, Thwaites D, Kuncic Z, Holloway L, Bosi S, Eslick E, Downes S; Australian Research Council (ARC)/Linkage Infrastructure, Equipment and Facilities (LIEF).

2010

  • Chair of medical physics research program; Thwaites D; Health Administration Corporation/Research Support.

Selected publications

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Journals

  • Charles, P., Cranmer-Sargison, G., Thwaites, D., Crowe, S., Kairn, T., Knight, R., Kenny, J., Langton, C., Trapp, J. (2014). A practical and theoretical definition of very small field size for radiotherapy output factor measurements. Medical Physics, 41(4), Article number 041707. [More Information]
  • Mason, J., Al-Qaisieh, B., Bownes, P., Wilson, D., Buckley, D., Thwaites, D., Carey, B., Henry, A. (2014). Multi-parametric MRI-guided focal tumor boost using HDR prostate brachytherapy: A feasibility study. Brachytherapy, 13(2), 137-145-137-145. [More Information]
  • Cranmer-Sargison, G., Charles, P., Trapp, J., Thwaites, D. (2013). A methodological approach to reporting corrected small field relative outputs. Radiotherapy and Oncology, 109(3), 350-355. [More Information]
  • Thwaites, D. (2013). Accuracy required and achievable in radiotherapy dosimetry: Have modern technology and techniques changed our views? Journal of Physics: Conference Series (Online), 444(1), 1-17. [More Information]
  • Sykes, J., Lindsay, R., Iball, G., Thwaites, D. (2013). Dosimetry of CBCT: Methods, doses and clinical consequences. Journal of Physics: Conference Series (Online), 444(1), 1-13. [More Information]
  • Thwaites, D., Baldock, C. (2013). Journal of Physics: Conference Series - Preface. Journal of Physics: Conference Series, 444(1). [More Information]
  • Mason, J., Al-Qaisieh, B., Bownes, P., Henry, A., Thwaites, D. (2013). Monte Carlo investigation of I-125 interseed attenuation for standard and thinner seeds in prostate brachytherapy with phantom validation using a MOSFET. Medical Physics, 40(3), 031717-1-031717-10. [More Information]
  • Thwaites, D., Baldock, C. (2013). Preface of the proceedings to the 7th International Conference on 3D Radiation Dosimetry (IC3DDose). Journal of Physics: Conference Series, 444(1), 1-2; 3. [More Information]
  • Cranmer-Sargison, G., Liu, P., Weston, S., Suchowerska, N., Thwaites, D. (2013). Small field dosimetric characterization of a new 160-leaf MLC. Physics in Medicine and Biology, 58(20), 7343-7354. [More Information]
  • Muren, L., Thwaites, D. (2013). The on-going quest for treatment precision and conformality in radiotherapy. Radiotherapy and Oncology, 109(3), 337-341. [More Information]
  • Yartsev, S., Muren, L., Thwaites, D. (2013). Treatment planning studies in radiotherapy. Radiotherapy and Oncology, 109(3), 342-343. [More Information]
  • Dean, C., Sykes, J., Cooper, R., Hatfield, P., Carey, B., Swift, S., Bacon, S., Thwaites, D., Sebag-Montefiore, D., Morgan, A. (2012). An evaluation of four CT-MRI co-registration techniques for radiotherapy treatment planning of prone rectal cancer patients. British Journal of Radiology, 85(1009), 61-68. [More Information]
  • Cranmer-Sargison, G., Weston, S., Evans, J., Sidhu, N., Thwaites, D. (2012). Monte Carlo modelling of diode detectors for small field MV photon dosimetry: detector model simplification and the sensitivity of correction factors to source parameterization. Physics in Medicine and Biology, 57(16), 5141-5153. [More Information]
  • Cranmer-Sargison, G., Weston, S., Sidhu, N., Thwaites, D. (2011). Experimental small field 6 MV output ratio analysis for various diode detector and accelerator combinations. Radiotherapy and Oncology, 100(3), 429-435.
  • Cranmer-Sargison, G., Weston, S., Evans, J., Sidhu, N., Thwaites, D. (2011). Implementing a newly proposed Monte Carlo based small field dosimetry formalism for a comprehensive set of diode detectors. Medical Physics, 38(12), 6592-6602. [More Information]
  • Thwaites, D., Malicki, J. (2011). Physics and technology in ESTRO and in Radiotherapy and Oncology: Past, present and into the 4th dimension. Radiotherapy and Oncology, 100(3), 327-332. [More Information]
  • Speight, R., Sykes, J., Lindsay, R., Franks, K., Thwaites, D. (2011). The evaluation of a deformable image registration segmentation technique for semi-automating internal target volume (ITV) production from 4DCT images of lung stereotactic body radiotherapy (SBRT) patients. Radiotherapy and Oncology, 98(2), 277-283. [More Information]

Conferences

  • Izewska, J., Bera, P., Azangwe, G., Thwaites, D., George, D., Followill, D. (2011). IAEA Support to National TLD Audit Networks for Raidotherapy Dosimetry. International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry (IDOS 2010), Vienna, Austria: International Atomic Energy Agency (IAEA).

2014

  • Charles, P., Cranmer-Sargison, G., Thwaites, D., Crowe, S., Kairn, T., Knight, R., Kenny, J., Langton, C., Trapp, J. (2014). A practical and theoretical definition of very small field size for radiotherapy output factor measurements. Medical Physics, 41(4), Article number 041707. [More Information]
  • Mason, J., Al-Qaisieh, B., Bownes, P., Wilson, D., Buckley, D., Thwaites, D., Carey, B., Henry, A. (2014). Multi-parametric MRI-guided focal tumor boost using HDR prostate brachytherapy: A feasibility study. Brachytherapy, 13(2), 137-145-137-145. [More Information]

2013

  • Cranmer-Sargison, G., Charles, P., Trapp, J., Thwaites, D. (2013). A methodological approach to reporting corrected small field relative outputs. Radiotherapy and Oncology, 109(3), 350-355. [More Information]
  • Thwaites, D. (2013). Accuracy required and achievable in radiotherapy dosimetry: Have modern technology and techniques changed our views? Journal of Physics: Conference Series (Online), 444(1), 1-17. [More Information]
  • Sykes, J., Lindsay, R., Iball, G., Thwaites, D. (2013). Dosimetry of CBCT: Methods, doses and clinical consequences. Journal of Physics: Conference Series (Online), 444(1), 1-13. [More Information]
  • Thwaites, D., Baldock, C. (2013). Journal of Physics: Conference Series - Preface. Journal of Physics: Conference Series, 444(1). [More Information]
  • Mason, J., Al-Qaisieh, B., Bownes, P., Henry, A., Thwaites, D. (2013). Monte Carlo investigation of I-125 interseed attenuation for standard and thinner seeds in prostate brachytherapy with phantom validation using a MOSFET. Medical Physics, 40(3), 031717-1-031717-10. [More Information]
  • Thwaites, D., Baldock, C. (2013). Preface of the proceedings to the 7th International Conference on 3D Radiation Dosimetry (IC3DDose). Journal of Physics: Conference Series, 444(1), 1-2; 3. [More Information]
  • Cranmer-Sargison, G., Liu, P., Weston, S., Suchowerska, N., Thwaites, D. (2013). Small field dosimetric characterization of a new 160-leaf MLC. Physics in Medicine and Biology, 58(20), 7343-7354. [More Information]
  • Muren, L., Thwaites, D. (2013). The on-going quest for treatment precision and conformality in radiotherapy. Radiotherapy and Oncology, 109(3), 337-341. [More Information]
  • Yartsev, S., Muren, L., Thwaites, D. (2013). Treatment planning studies in radiotherapy. Radiotherapy and Oncology, 109(3), 342-343. [More Information]

2012

  • Dean, C., Sykes, J., Cooper, R., Hatfield, P., Carey, B., Swift, S., Bacon, S., Thwaites, D., Sebag-Montefiore, D., Morgan, A. (2012). An evaluation of four CT-MRI co-registration techniques for radiotherapy treatment planning of prone rectal cancer patients. British Journal of Radiology, 85(1009), 61-68. [More Information]
  • Cranmer-Sargison, G., Weston, S., Evans, J., Sidhu, N., Thwaites, D. (2012). Monte Carlo modelling of diode detectors for small field MV photon dosimetry: detector model simplification and the sensitivity of correction factors to source parameterization. Physics in Medicine and Biology, 57(16), 5141-5153. [More Information]

2011

  • Cranmer-Sargison, G., Weston, S., Sidhu, N., Thwaites, D. (2011). Experimental small field 6 MV output ratio analysis for various diode detector and accelerator combinations. Radiotherapy and Oncology, 100(3), 429-435.
  • Izewska, J., Bera, P., Azangwe, G., Thwaites, D., George, D., Followill, D. (2011). IAEA Support to National TLD Audit Networks for Raidotherapy Dosimetry. International Symposium on Standards, Applications and Quality Assurance in Medical Radiation Dosimetry (IDOS 2010), Vienna, Austria: International Atomic Energy Agency (IAEA).
  • Cranmer-Sargison, G., Weston, S., Evans, J., Sidhu, N., Thwaites, D. (2011). Implementing a newly proposed Monte Carlo based small field dosimetry formalism for a comprehensive set of diode detectors. Medical Physics, 38(12), 6592-6602. [More Information]
  • Thwaites, D., Malicki, J. (2011). Physics and technology in ESTRO and in Radiotherapy and Oncology: Past, present and into the 4th dimension. Radiotherapy and Oncology, 100(3), 327-332. [More Information]
  • Speight, R., Sykes, J., Lindsay, R., Franks, K., Thwaites, D. (2011). The evaluation of a deformable image registration segmentation technique for semi-automating internal target volume (ITV) production from 4DCT images of lung stereotactic body radiotherapy (SBRT) patients. Radiotherapy and Oncology, 98(2), 277-283. [More Information]

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