Physics - Radiotherapy

• A class solution for RapidArc prostate planning with simultaneous integrated boost
• A clinical trial for Post-prostatectomy Salvage Radiotherapy Dose and Technique Comparison: PSa DoT Com
• A Comparison of Multiple Epson Expression 10000XL Scanners Used for Gafchromic Film Dosimetry in Terms of Uniformity, Warm-Up Time and Spatial Linearity
• A comprehensive approach to quantifying patient dose from linear accelerator mounted cone beam CT (CBCT)
• A hand-held turntable controller for total skin electron treatment
• A viscoelastic model of the correlation between respiratory lung tumour motion and an external abdominal signal
• Accreditation of Physicists in Radiotherapy-Past, Present and Future
• Accuracy of the planning dose volume histogram to predict delivered doses in image-guided prostate radiation therapy: assessment with cone-beam computerised tomography scans
• Accurate Monte Carlo Simulations of Proton Pencil Beam Scanning Radiation Therapy
• Algorithm development and simulation outcomes for hypoxic head and neck cancer radiotherapy using a Monte Carlo cell division model “HYP-RT”
• An Investigation into the application of the Dosimetric Leaf Gap for MLC Calibrated to the radiation field
• ARPANSA MV Photon TLD Audit
• Assessment of New Radiation Oncology Technology and Treatments in Radiation Oncology – the ANROTAT project and collection of IMRT specific data
• Atlas-based deformable image registration for MRI-guided prostate radiation therapy
• Beam characterisation of the Australian Synchrotron Imaging and Medical Beamline for Microbeam Radiotherapy research
• Biological dosimetry following synchrotron microbeam radiation therapy
• Certification and Licensing of Medical Physicists in AFOMP Countries
• Characterisation of lung tumour under-dosage for interpretation of clinical trial data
• Characterization of a novel 2D array silicon detector “Magic Plate” for IMRT dose verification
• Clinical applications of EBT2 gafchromic film
• Clinical consequences of using the Monte Carlo algorithm rather than the Pencil Beam Convolution algorithm in stereotactic radiotherapy
• Clinical evaluation of electron and photon junctions with dynamic intensity modulation for head and neck treatments
• Clinical experience with a novel 3D detector for RapidArc^TM delivery QA
• Clinical treatment planning for stereotactic radiotherapy: Evaluation by Monte Carlo simulation
• Comparison of the image lag for an aS500 EPID in direct and standard clinical configurations
• Consideration of Margins for Hypofractionated Radiotherapy
• Credentialing for a Clinical Radiotherapy Trial Involving Image Guidance: Bladder On-Line Adaptive Radiation Therapy (BOLART)
• Design and implementation of an anthropomorphic head and neck phantom for use in multi-centre IMRT dosimetry audits
• Determination of mass-energy absorption coefficients for calculation of absorbed dose in phantoms
• Development of a QA Phantom for online image registration and resultant couch shifts
• Dose verification of the Exact^TM couch structure included in the Eclipse^TM treatment planning system
• Dosimetric consequences of planning lung treatments on 4DCT average reconstruction to represent a moving tumour
• Dosimetric impact of systematic MLC positional errors on step and shoot IMRT for prostate cancer: a planning study
• Early experiences of retrospective respiratory gated computed tomography simulation for radiotherapy
• Effect on chamber calibration factor of spectral differences between a Varian 6 MV beam and a matched Elekta 6 MV beam
• Evaluating PRESAGE for accurate 3D proton dosimetry
• Evaluation of air-tissue interface dose for a cylindrical air-cavity and anthropomorphic phantom
• Evaluation of dose distribution under protected regions using Cerrobend blocks: an EDR2 film study
• Evaluation of effective atomic numbers of Lif:Mg,Ti and Lif:Mg,Cu,P thermoluminescent dosimeters for electron interactions spanning the keV-MeV energy range
• Evaluation of MLC modelling parameters in Varian Eclipse Treatment Planning System
• Evaluation of uncertainties in tumour region delineation contoured by radiologists and radiation oncologists
• Experience with radiochromic film as a dosimeter for an inter-comparison of prostate IMRT treatment delivery
• Fiducial registration error as a statistical process control metric in image-guided radiotherapy with prostatic markers
• Ghosting effect in Siemens electronic portal imaging devices (EPIDs) for step and shoot IMRT dosimetry
• High resolution dosimetry of mucosal under-dosage proximate to airways: A double-barrelled Monte Carlo attack
• Incident of inadvertent radiation exposure in a linac bunker
• Independent quality assurance of a helical tomotherapy machine using the dose magnifying glass
• Intra-fraction temporal effects in 3D conformal radiation therapy and IMRT
• Investigation of Bulk Electron Densities for Dose Calculations on Cone-Beam CT Images
• Investigation of the gantry and EPID sag during arc therapy for a Varian Trilogy linac
• Managing the backscatter component from the robotic arm of an a-Si EPID
• Measured long-term stability of EPIDs in clinical service
• Modelling the behaviour of the "push-pull" gel dosimeter
• Modelling the effect of a real-time dosimetry system in Synchrotron X-ray Microbeam Radiation Therapy
• Monte carlo and Experimental verification of dose ditribution around the HDR brachytherapy GZP6 source nomber two
• Monte Carlo generation of dosimetric parameters for eye plaque dosimetry
• Monte Carlo simulation of an aS500 EPID in direct detection configuration in 6 MV beams
• Monte Carlo Simulation of Stepping Source in Afterloading Intracavitary Brachytherapy for GZP6 Unit
• MOSFETs for dose measurements in HDR applications
• MRI linear accelerators: impact of the electron return effect
• Nanodosimetric verification in proton therapy: Monte Carlo codes comparison
• New method to derive absorbed dose to water from the primary standard graphite calorimeter
• Origins of the observed asymmetry in out-of-field dose from a linac fitted with an external micro-MLC
• Palliative Radiotherapy in Developing Countries
• Patient dosimetry improvements in longitudinal field MRI linear accelerators
• Pinnacle TPS Dose Verification Tool
• Polymer gel dosimetry using x-ray computed tomography: investigation of the effect of reconstruction technique
• Potential Lens Dose Reduction During Stereotactic Radiotherapy
• Pseudo-calorimetric dosimetry for Microbeam Radiotherapy (MRT) based on optical interference
• Quality assurance testing of complex radiotherapy treatments using Gafchromic EBT2 film
• Re-establishment of Australian absorbed dose primary standard at Co-60
• Reducing the risk of radiocarcinogenesis in paediatric patients treated with external beam radiotherapy
• Retrospective Analysis of ‘Gamma Distribution’ Based IMRT QA Criteria
• Scintillation dosimetry for modern radiotherapy treatment modalities
• Small Field Dosimetry in Megavoltage Photon Beams: Comparision of Dosimeter Performance
• Study of Genipin gel for electron dosimetry
• The Acceptance, Commissioning and Clinical implementation of Australia’s first Gamma Knife
• The dosimetry of low energy photon beams using Gafchromic EBT2 film
• The effect and analysis of terahertz electromagnetic radiation on EBT2 Gafchromic Film
• The Role of Medical Physicists in Developing a Generic Research Framework for the Assessment of New Radiation Oncology Technology and Treatments in Radiation Oncology
• The use of mock scenarios in clinical skills training for Radiation Oncology Medical Physicists: ARECQA Bootcamp Brisbane 2010
• Three Dimensional Dose Verification for IMRT using a-Si EPIDs
• Three-dimensional dose verification for clinical treatments of small intracranial tumours
• Time course of bystander expression: increase or decrease in cell viability?
• Towards the development of a comprehensive model of an electronic portal imaging device using Geant4
• Volumetric modulated arc radiotherapy (VMAT): When is one revolution enough?
• What are the differences for IMRT plans configured with beam data collected with either the jaws or the MLCs?
• What is the Value of Image Guidance in External Beam Radiotherapy?

88 abstracts