Medical Physics - McMaster Experts

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Design of static and dynamic ridge filters for FLASH–IMPT: A simulation study 2022
Machine learning based oxygen and carbon concentration derivation using dual‐energy CT for PET‐based dose verification in proton therapy. 49:3347-3360. 2022
Detecting lumbar lesions in ^99m Tc‐MDP SPECT by deep learning: Comparison with physicians. 48:4249-4261. 2021
Feasibility study of 3D time‐reversal reconstruction of proton‐induced acoustic signals for dose verification in the head and the liver: A simulation study. 48:4485-4497. 2021
Learning fuzzy clustering for SPECT/CT segmentation via convolutional neural networks. 48:3860-3877. 2021
Dose calculation in proton therapy using a discovery cross‐domain generative adversarial network (DiscoGAN). 48:2646-2660. 2021
Generating anthropomorphic phantoms using fully unsupervised deformable image registration with convolutional neural networks. 47:6366-6380. 2020
Three‐dimensional regions‐of‐interest–based intra‐operative four‐dimensional soft tissue perfusion imaging using a standard x‐ray system with no gantry rotation: A simulation study for a proof of concept. 47:6087-6102. 2020
Feasibility study of patient‐specific dose verification in proton therapy utilizing positron emission tomography (PET) and generative adversarial network (GAN). 47:5194-5208. 2020
Rapid multicontrast brain imaging on a 0.35T MR‐linac. 47:4064-4076. 2020
Technical Note: An anthropomorphic phantom with implanted neurostimulator for investigation of MRI safety. 47:3745-3751. 2020
Modified fast adaptive scatter kernel superposition (mfASKS) correction and its dosimetric impact on CBCT‐based proton therapy dose calculation. 47:190-200. 2020
Technical Note: Machine learning approaches for range and dose verification in proton therapy using proton‐induced positron emitters. 46:5748-5757. 2019
Current pediatric administered activity guidelines for ^99m Tc‐DMSA SPECT based on patient weight do not provide the same task‐based image quality. 46:4847-4856. 2019
Simulation studies of time reversal‐based protoacoustic reconstruction for range and dose verification in proton therapy. 46:3649-3662. 2019
A unified material decomposition framework for quantitative dual‐ and triple‐energy CT imaging. 45:2964-2977. 2018
Development of an advanced two-dimensional microdosimetric detector based on THick Gas Electron Multipliers. 45:1241-1254. 2018
Assessment of the effect of strontium, lead, and aluminum in bone on dual-energy x-ray absorptiometry and quantitative ultrasound measurements: A phantom study. 45:81-91. 2018
Breast cancer MRI radiomics: An overview of algorithmic features and impact of inter-reader variability in annotating tumors. 45:3076-3085. 2018
Deep learning for segmentation of brain tumors: Impact of cross-institutional training and testing. 45:1150-1158. 2018
Joint reconstruction of Ictal/inter-ictal SPECT data for improved epileptic foci localization. 44:1437-1444. 2017
Technical Note: Bone mineral density measurements of strontium-rich trabecular bone-mimicking phantoms using quantitative ultrasound. 43:5817-5825. 2016
Sci-Fri AM: Quality, Safety, and Professional Issues 02: Recent work on TQC Suite and Data from a National survey on Community Uptake. 43:4952-4953. 2016
SU-F-J-212: Enabling Conventional Cone Beam CT with the Capability of Dual Energy Imaging Using a Simple Add-On Beam Modifier. 43:3457-3457. 2016
SU-F-J-213: Feasibility Study of Using a Dual-Energy Cone Beam CT (DECBCT) in Proton Therapy Treatment Planning. 43:3457-3458. 2016
Systematic study of target localization for bioluminescence tomography guided radiation therapy. 43:2619-2629. 2016
Interobserver variability in identification of breast tumors in MRI and its implications for prognostic biomarkers and radiogenomics. 43:4558-4564. 2016
Systematic calibration of an integrated x-ray and optical tomography system for preclinical radiation research. 42:1710-1720. 2015
The most suitable person to establish quality assurance guidelines for the generation and use of noncommercial clinical software is a medical physicist. 41:090601-090601. 2014
Effect of radiation protraction on BED in the case of large fraction dose. 40:081716-081716. 2013
WE-C-116-06: Reducing the Background Field Variations Using the Geometry Information. 40:485-485. 2013
2D/3D registration algorithm for lung brachytherapy. 40:021913-021913. 2013
Poster - Thur Eve - 28: Optimization of a prostate cancer IGRT protocol. 39:4629-4630. 2012
Sci-Thur AM: Planning - 06: Planning target volume margin suitability in lung stereotactic body radiation therapy: A preliminary evaluation using cone-beam computed tomography. 39:4620-4620. 2012
SU-E-T-277: Hypothesis and Design of an Integrated X-Ray/Bioluminescent Imaging (BLI) and Tomography (BLT) System for the Study of Radiation and Treatment in Small Animals. 39:3767-3767. 2012
Development and evaluation of an improved quantitative⁹⁰Y bremsstrahlung SPECT method. 39:2346-2358. 2012
Ex vivoevaluation of a coherent normalization procedure to quantifyin vivofinger strontium XRS measurements. 39:832-841. 2012
SU-E-I-20: Megavoltage and Kilovoltage Cone-Beam Computed Tomography Image Guidance for Lung Radiotherapy. 38:3400-3400. 2011
SU-E-J-11: Preliminary Investigation of Cone-Beam CT Post-Planning Feasibility. 38:3444-3444. 2011
Development and evaluation of a model-based downscatter compensation method for quantitative I-131 SPECT. 38:3193-3204. 2011
Evaluating the extent of cell death in 3D high frequency ultrasound by registration with whole-mount tumor histopathologya). 37:4288-4297. 2010
Poster - Thur Eve - 19: Polyvinyl Alcohol Cryogels: A Promising Material for Tissue-Mimicking Optical Phantoms. 37:3890-3890. 2010
Poster — Thur Eve — 38: The Effect of Ionizing Radiation on Giant Unilamellar Vesicles of “Lipid Raft” Mixtures Examined by Confocal Fluorescence Microscopy. 37:3894-3894. 2010
Sci—Fri PM: Delivery — 11: Lung Radiotherapy Using Megavoltage Cone-Beam Computed Tomography Imaging Guidance. 37:3906-3906. 2010
Technical Note: Fiducial markers for correlation of whole-specimen histopathology with MR imaging at 7 tesla. 37:2321-8. 2010
Identification of breast calcification using magnetic resonance imaging. 36:5429-5436. 2009
A high spatial resolution in vivo 1H magnetic resonance spectroscopic imaging technique for the human breast at 3T.. 36:4870-4877. 2009
A high spatial resolution in vivo 1H magnetic resonance spectroscopic imaging technique for the human breast at 3T. 36:4870-4877. 2009
TH-D-304A-02: Quantifying Magnetic Moments and Susceptibilities of Small Spherical Objects in MRI. 36:2816-2816. 2009
Quantitative evaluation of simultaneous reconstruction with model-based crosstalk compensation for T99mc/I123 dual-isotope simultaneous acquisition brain SPECT. 36:2021-2033. 2009
Comparison of organ residence time estimation methods for radioimmunotherapy dosimetry and treatment planning-patient studies. 36:1595-1601. 2009
Evaluation of quantitative imaging methods for organ activity and residence time estimation using a population of phantoms having realistic variations in anatomy and uptake. 36:612-619. 2009
WE-C-BRC-03: Evaluating Extent of Cell Death in 3D Mid-To-High Frequency Ultrasound by Registration with Whole-Mount Tumor Histopathology. 36:2760-2761. 2009
In vivomeasurement of bone aluminum in population living in southern Ontario, Canada. 35:5115-5123. 2008
An evaluation of iterative reconstruction strategies based on mediastinal lesion detection using hybrid Ga-67 SPECT images. 35:4808-4815. 2008
Poster - Thurs Eve-26: Influence of MLC leaf edge and tongue and groove effect on IMRT dose distributions. 35:3406-3406. 2008
Poster - Thurs Eve-34: Extended CT-range in RT planning of pelvic cancer treatment in presence of hip replacements. 35:3407-3407. 2008
Poster - Thurs Eve-36: Use of multileaf collimator as a replacement of physical missing tissue compensator. 35:3408-3408. 2008
Poster - Thurs Eve-38: CT Imaging in high dose rate brachytherapy for treatment of cervical cancer: Estimation of dose to bowel. 35:3408-3408. 2008
TU-D-332-03: Quantifying Magnetic Moments of Small Spherical Objects in MRI Images. 35:2906-2906. 2008
Software-based respiratory gating for small animal conebeam CT. 35:1785-1792. 2008
In vivoassessment of magnesium status in human body using accelerator-based neutron activation measurement of hands: A pilot study. 35:608-616. 2008
Model-based crosstalk compensation for simultaneous Tc99m∕I123 dual-isotope brain SPECT imaging. 34:3530-3543. 2007
Po-Poster - 17: GE Lightspeed-RT WideView image reconstructions: Are they suitable for radiation therapy treatment planning?. 32:2413-2413. 2005
Po-Poster - 33: A finite element model for bioluminescence imaging in small animals. 32:2416-2416. 2005
Sci-AM Fri - 01: Effects of low-dose gamma-radiation on micronucleus formation in non-mammalian fish cell lines. 32:2417-2417. 2005
Sci-YIS Fri - 03: Calculation of singlet oxygen dose from photosensitizer photobleaching during mTHPC or Photofrin photodynamic therapy in vitro. 32:2419-2419. 2005
SPECT brain imaging of the dopaminergic system in Parkinsonism using I123 and Tc99m labeled agents. 31:3530-3530. 2004
Medical Physicstop ten. 31:682-682. 2004
Quantification of bone strontium levels in humans byin vivox-ray fluorescence. 31:528-538. 2004
Mechanism study of skin tissue ablation by nanosecond laser pulses. 29:2739-2739. 2002
An accelerator based system forin vivoneutron activation analysis measurements of manganese in human hand bones. 29:2718-2724. 2002
Analysis of mechanical sources of patient alignment errors in radiation therapy. 29:2698-2704. 2002
Ultrasound measurements of overlying soft tissue thickness at four skeletal sites suitable forin vivox-ray fluorescence. 29:2687-2691. 2002
Monte Carlo investigation of the dosimetric properties of the new Pd-103 BrachySeed TM Pd-103 model Pd-1 source. 29:1984-1990. 2002
Monte Carlo investigation of the dosimetric properties of the new 103PdBrachySeed™Pd-103 Model Pd-1 source. 29:1984-1990. 2002
Dosimetric properties of the new 125I BrachySeed™ model LS-1 source. 29:190-200. 2002
An optical edge detector for the accurate delineation of the light field in radiotherapy machines. 28:1791-1792. 2001
Automated measurement of radiographic hip joint-space width. 28:267-277. 2001
Noise in polymer gel measurements using MRI. 27:1814-1817. 2000
Trainable rule-based algorithm for the measurement of joint space width in digital radiographic images of the knee. 27:580-591. 2000
Evaluation of polymer gels and MRI as a 3-D dosimeter for intensity-modulated radiation therapy. 26:1542-1551. 1999
Megavoltage imaging with lowZtargets: Implementation and characterization of an investigational system. 25:1910-1918. 1998
A statistical investigation of the scaling factor method of beta-ray dose distribution derivation: The scaling factor for water to bone. 25:1472-1477. 1998
Application of the scaling factor method to estimation of beta dose distributions for dissimilar media separated by a planar interface. 25:1478-1486. 1998
Frequency-domain near-infrared photo diffusion imaging: Initial evaluation in multitarget tissuelike phantoms. 25:183-193. 1998
Refinements of the finite-size pencil beam model of three-dimensional photon dose calculation. 24:743-750. 1997
In vivoassessment of trabecular bone structure at the distal radius from high-resolution magnetic resonance images. 24:585-593. 1997
Analytic representation of the dose from a ³² P-coated stent. 23:9-13. 1996
The dose distribution produced by a ³² P-coated stent. 22:313-320. 1995
Investigations of large vessel cooling during interstitial laser heating. 22:105-115. 1995
Basic optothermal diffusion theory for interstitial laser photocoagulation. 21:1651-1656. 1994
An evaluation of the EGS4 and CYLTRAN Monte Carlo codes with regard to boundary beta-ray dosimetry by comparison with experimental beta-ray dose backscatter factors. 20:1243-1250. 1993
Experimental determination of ³² P dose backscatter factors at and near soft-tissue boundaries. 20:223-231. 1993
A diffusion theory model of spatially resolved, steady-state diffuse reflectance for the noninvasive determination of tissue optical properties in vivo. 19:879-888. 1992
Mechanical and radiation isocenter coincidence: An experience in linear accelerator alignment. 19:357-359. 1992
Effect of tissue inhomogeneity on dose distribution of point sources of low-energy electrons. 17:786-793. 1990
The validity of the density scaling method in primary electron transport for photon and electron beams. 17:187-194. 1990
Constrained reconstruction: A superresolution, optimal signal-to-noise alternative to the Fourier transform in magnetic resonance imaging. 16:388-397. 1989
The optimization of pencil beam widths for use in an electron pencil beam algorithm. 15:489-497. 1988
Total attenuation coefficients and scattering phase functions of tissues and phantom materials at 633 nm. 14:835-841. 1987
Effect of tissue inhomogeneity on beta dose distribution of ³ ² P. 14:98-104. 1987
Accuracy of blood transit time estimates using temporal filtering in digital radiology. 13:8-12. 1986
Calculation of radiation doses for nonuniformly distributed β and γ radionuclides in soft tissue. 12:405-412. 1985
Whole body hyperthermia (41-42 °C): A simple technique for unanesthetized mice. 11:833-839. 1984
Improved method for the design of tissue compensators. 8:885-891. 1981
Characteristics of an 18 MV photon beam from a Therac 20 Medical Linear Accelerator. 8:312-318. 1981
In vivo activation analysis of spinal calcium using 25 keV neutrons. 7:655-663. 1980
Benchmarking Quantitative Magnetic Resonance Imaging on a Low-Field MR-Linac 2020
Prospective Evaluation of Serial Quantitative MR Imaging of Patients with Brain Cancer On a 0.35T MR-Linac 2020
BEST IN PHYSICS (MULTIDISCIPLINARY): Rapid Multicontrast Brain Imaging at 0.35T to Facilitate Tumor Response Assessment and Functional Adaptive Radiation Therapy 2019
Feasibility of an MRI-Only Workflow for Postimplant Dosimetry of LDR Brachytherapy in Prostate Patients 2019
Potential Applications of the Susceptibility-Based Positive Contrast in MR-Guided Radiation Therapy 2019
A Robust MRI-Only Workflow for Post-Implant Localization and Dosimetry of Prostate Brachytherapy Seeds 2018
Radiation Dose Levels in Pediatric Skeletal Survey for Suspected Child Abuse: A Preliminary Study 2018
A dosimetric study of linac-based gated SBRT using FFF and standard 6 MV beams 2017
Development of an advanced 2-D THGEM detector and multi-input digital signal processor system for the measurement of dose distribution in low and high LET mixed radiation fields 2017
Variability in lung SBRTcontours and doses at canadian institutions 2017
A Complete Development of MRI-Only Based Automated Detection Algorithm of Low-Dose Rate Brachytherapy Seeds for Post Implant Dosimetry Applications 2017
Evaluation of Scatter Correction with Modified Scatter Kernel Model for CBCT-Based Radiotherapy 2017
Monitoring Deep Inspiration Breath Hold with a Distance Measuring Laser : SU-I-GPD-J-38 2017
Neural Network-Based Range Verification for Proton Therapy Based On Prompt Gamma Emissions 2017
CPQR Technical Quality Control Suite Development including Quality Control Workload Results 2016
Poster - 06: Fractal Analysis of the brain blood oxygenation level dependent (BOLD) signal of mild traumatic brain injury (mTBI) patients 2016
Poster - 35: Monitoring patient positioning during deep inspiration breath hold with a distance measuring laser 2016
Recent work on TQC Suite and Data from a National survey on Community Uptake 2016
SU-C-206-01: Impact of Charge Sharing Effect On Sub-Pitch Resolution for CZT-Based Photon Counting CT Systems 2016
SU-G-IeP1-01: A Novel MRI Post-Processing Algorithm for Visualization of the Prostate LDR Brachytherapy Seeds and Calcifications Based On B0 Field Inhomogeneity Correction and Hough Transform 2016
TH-CD-207B-07: Noise Modeling of Single Photon Avalanche Diode (SPAD) for Photon Counting CT Applications 2016
SU-D-303-06: Evaluations of Quantified Magnetic Moments From Different MRI Hardware 2015
TU-F-CAMPUS-J-01: Inference of Prostate PTV Margins in VMAT Delivery From Intra-Fraction Prostate Motion During SBRT Delivery 2015
Atlas Selection for Automated Segmentation of Pelvic CT for Prostate Radiotherapy 2015
Assessment of post-fabrication deformation in three styles of thermoplastic masks 2014
Atlas Selection for Automated Segmentation of Pelvic CT for Prostate Radiotherapy 2014
Poster - Thur Eve - 59: Atlas Selection for Automated Segmentation of Pelvic CT for Prostate Radiotherapy 2014
Poster - Thur Eve - 68: Assessment of post-fabrication deformation in three styles of thermoplastic masks 2014
WE-A-134-01: Integration of X-Ray and Optical Tomography for Precision Radiation Guidance and Real-Time Treatment Evaluation 2013
WE-C-WAB-05: A Novel Integrated X-Ray and Fluorescence Tomography System for Small Animal Radiation Research Platform 2013
Optimization of a prostate cancer IGRT protocol 2012
Planning Target Volume Margin Suitability in Lung Stereotactic Body Radiation Therapy: A Preliminary Evaluation using Cone-beam Computed Tomography 2012
Poster - Thur Eve - 10: Long term stability of VMAT quality assurance parameters using an EPID 2012
TH-C-217BCD-04: 3D Ultrasound Reconstruction from Freehand Scans Using an Optical Tracking System 2012
WE-C-BRA-03: Best in Physics (Joint Imaging-Therapy) - Registration of Magnetic Resonance, Reconstructed 3D Ultrasound Imaging and Whole-Mount Breast Pathology for Therapy Assessment of Breast Cancer 2012
SU-C-211-05: Improved Target Localization with Integrated X-Ray/bioluminescent Tomography 2011
SU-E-T-194: Accounting for Support Arm Backscatter in EPID-Based IMRT QA 2011
SU-E-T-34: Time Series Analysis of Skin Reactions during Heck and Neck IMRT 2011
SU-E-T-82: Position-Dependent Discrete Point Spread Functions for EPID IMRT QA 2011
TH-C-220-10: Limit of Setup Accuracy Using Bioluminescence Imaging to Guide Focal Pre-Clinical Irradiation 2011
TU-C-BRB-07: Medical Physics Staffing for Radiation Treatment: A Robust Algorithm with Trans-Canada Validation 2011
WE-A-110-01: Understanding Exposure and Deviation Indices 2011
Poster - Thur Eve - 09: Effects of Small Sample Size on Diffuse Reflectance Spectroscopy for the Identification of Brain Tumours 2010
Poster - Thur Eve - 54: Discrete Point Spread Functions for Electronic Portal Imaging Devices 2010
Poster - Wed Eve-48: An Opposed Matched Beam IMRT Technique for Prostate Cancer Patients with Bilateral Hip Prosthesis 2009
Sci-Thurs PM: Planning-03: The Effect of Small Cylindrical Air Cavities on Circumferential Dose Distributions Due to Small 6 MV Photon Fields 2009
SU-FF-I-87: Qualifying Magnetic Moments in Small Cylindrical Objects by Complex Sum Method 2007
SU-FF-T-293: Modeling An ASi Portal Imager Response Using a Commercial Treatment Planning Software 2007
SU-FF-T-373: Relative Biological Effectiveness of 30 KV X-Rays for Micro-Nucleated Reticulocyte Induction in Mice, in Vivo 2007
SU-FF-T-97: Characterization of Amorphous Silicon Flat Panel Imager for Dose Measurements 2007
Po-Thur Eve General-17: Design and Characterization of a CT Scanner for Small Animal Imaging 2006
Po-Thur Eve General-30: Determination of the optical properties of tissue-simulating phantoms by interstitial frequency domain measurements 2006
Po-Poster - 23: The geometrical accuracy of 3D reconstructions from orthogonal views using distortion corrected image intensifier images 2005
Po-Poster - 28: Examination of gene expression in p53(+/−) mice exposed to low dose radiation using Affymetrix cDNA microarrays 2005
Po-Poster - 29: Radiation-induced apoptosis of lymphocytes to predict late toxicity from radiotherapy 2005
Po-Poster - 34: Diffusion tensor imaging in the human calf muscle as a measure of the muscle disorder 2005
Sci-AM Fri - 04: Radiation induced apoptosis and chromosomal aberrations in human lymphocytes: Estimating the risks associated with radiation exposures 2005
Sci-PM Fri - 01: Application of broadly tunable asymmetric multiple-quantum-well (AMQW) lasers to optical coherence tomography (OCT) 2005
Sci-PM Fri - 02: Determination of optical properties of tissue in situ using four different frequency domain models 2005
Sci-PM Fri - 03: Potential use of diffusion theory for quantitative in vivo fluorescence and bioluminescence imaging 2005
SU-FF-I-28: A Novel Simulated Method of Quantifying Susceptibilities in Objects: The First Step Toward Quantitative Diagnosis in MRI 2005
Radiochromic film used for composite depth dose measurement in total skin electron (TSE) treatments. 2003
Gel dosimetry by MRI using 3D gradient echo sequences 2002
CONVOLUTION METHOD OF DOSE CALCULATION APPLIED TO ELECTRON-BEAMS 1987
A ONE-DIMENSIONAL MODEL FOR RF PENETRATION IN MRI - TRANSMISSION, RECEIVING AND SCREENING 1987
BACKSCATTERING OF LOW-ENERGY ELECTRONS AT BONE SOFT-TISSUE INTERFACES 1987
CHANGES IN TISSUE OPTICAL-PROPERTIES CAUSED BY PHOTOSENSITIZERS AND APPLICATIONS IN PHOTODYNAMIC THERAPY 1987
RAPID DATA ACQUISITION IN MRI - TECHNIQUES, LIMITATIONS AND CLINICAL UTILITY 1987
DOSE POINT KERNELS FOR ELECTRONS 1986
AN INTELLIGENT SLOW-SCAN VIDEO SYSTEM FOR REMOTE NM QUALITY ASSURANCE 1984
DSA FROM FILM 1984
RF FIELD HOMOGENEITY IN HIGH-FREQUENCY RESONATORS 1984

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