Meeting Abstracts

Oral Presentations:

C. Ferreira, P.Alaei, C. Chen, M. Reynolds, D. Sterling, K. Dusenbery, First Experience with GammaTile Permanent Implants for Recurrent Brain Tumors, Society for Neuro-Oncology 24th Annual Meeting, Phoenix, AZ (2019)

C-H. Hua, T. Vern-Gross, C. Hess, A. Olch, V. Sathiaseelan, P. Alaei, J. Deng, K. Ulin, M. Gopalakrishnan, S. Donaldson, T. FitzGerald, L. Constine, D. Hodgson, D. Adele Haas-Kogan, J. Breneman, J. Kalapurakal, Practice Patterns of Pediatric Image-Guided Radiotherapy (IGRT): A Children’s Oncology Group Report, ASTRO 61st annual meetings, Chicago, IL (2019)

B. Rogers, P. Alaei, J. Chmura, E. Ehler, J. Lawrence, C. Wilke, C. Ferreira, Monte Carlo Simulation and Validation of a Novel Yttrium-90 Source for Use in a Conformal Superficial Brachytherapy Device, AAPM 61st annual meeting, San Antonio, TX (2019)

D. Zuro, S. Vagge, S. Broggi, S. Agostinelli, Y. Takahashi, J. Brooks, P. Leszcynska, A. Liu, M. Mahe C. Zucchetti, S. Simonetta, C. Han, C. Mauro, S. Giebel, J. Sanchez, P. Alaei, C. Anna, K. Dusenbery, G. Storme, C. Aristei, J. Wong, S. Hui, Completion of Multi-Institutional Evaluation of MVCT Guided Patient Registration and Dosimetric Precision in Total Marrow Irradiation: A Global Health Initiative by the International Consortium of Total Marrow Irradiation, AAPM 61st annual meeting, San Antonio, TX (2019)

P. Alaei,  Sensitivity of Routine IMRT QA Metrics to Couch and Collimator Rotations, AAPM 57th annual meeting, Anaheim, CA (2015)

S. Kim, P. Alaei, Implementation of Full/half Bowtie Filter Model in a Commercial Treatment Planning System for Kilovoltage X-Ray Imaging Dose Estimation, AAPM 57th  annual meeting, Anaheim, CA (2015)

R. Azimi, P. Alaei, Y. Takahashi, E. Spezi, M. Yagi, L. Arentsen, L. Sharkey, D. Seelig, J. Schappa, S. Hui,  Dosimetric and Biological Benchmarking of a Murine Total Marrow Irradiation Platform, AAPM 55th annual meeting, Indianapolis, IN 2013

P. Alaei, G. Ding, H. Guan, Inclusion of the dose from cone beam CT in the radiation therapy treatment plans, RSNA 94th annual meeting, Chicago, IL 2008

P. Alaei, P.D. Higgins, Evaluation of Accuracy of Inhomogeneity Corrections in IMRT Planning, AAPM 50th annual meeting, Houston, TX 2008

P. Alaei, B. J. Gerbi and R.A. Geise, Lung dose calculations at fluoroscopic x-ray energies using a model-based treatment planning system, World Congress on Medical Physics and Biomedical Engineering, Chicago, IL, 2000

P. Alaei, B. J. Gerbi and R.A. Geise, Energy deposition kernels for 3D dose distribution of low energy x rays, AAPM 40th annual meeting, San Antonio, TX, 1998

K. Fetterly, P. Alaei, B. Gerbi, R.A. Geise, Characterization of Dose from X-ray Fluoroscopy Beams in a Water Phantom, AAPM 40th annual meeting, San Antonio, TX, 1998

Poster Presentations:

P. Alaei, Can Baseline Values be Established Accurately for CBCT Image Quality Assurance Tasks? AAPM 66th annual meeting, Los Angeles, CA (2024)

A. Alshreef, D. Sterling, P. Alaei, B. Rogers, S. Drehmel, M. Reynolds, K. Dusenbery, L. Sloan, C. Chen, C. Ferreira Custom-Made Lead Shield for Select Permanent Implanted Cs-131 Brain Tumor Patients AAPM 65th annual meeting, Houston, TX (2023)

S. Zhang, M. A. Reynolds, K. E. Dusenbery, C. Chen, P. Alaei, A. Alshreef, D. Sterling, L. Sloan, K. Patel, C. Ferreira, Considerations in Treatment Planning and Dosimetric Specifications of Permanent 131Cs Brachytherapy Implantation in Treatment of Brain Tumor - An Institutional Experience, ASTRO 64th Annual Meeting, San Antonio, TX (2022)

E. Ehler, P. Alaei, Imaging Dose From Radixact ClearRT Kilovoltage Imaging, AAPM 64th annual meeting, Washington, DC (2022)

A. Alshreef, B. Rogers, P. Alaei, P. Bolan, C. Ferreira, End-To-End Test for GammaTile Permanent Brain Implants, AAPM 64th annual meeting, Washington, DC (2022)

S. Fakhraei, E. Ehler, D. Sterling, L.C. Cho, P. Alaei, A Patient-Specific Correspondence Model to Track Tumor Location in Thorax during Radiation Therapy, ASTRO 63rd annual meeting, Chicago, IL (2021) 

N. Becerra Espinosa, L. Claps, P. Alaei, CBCT Manual Vs. Semi-Automatic Single and Multi-Slice Low Contrast Resolution Analysis, AAPM 63rd annual meeting (2021)

A. Rossetti-Chung, J. Lawrence, S Bhela, P. Alaei, L. Claps, C.T. Wilke, V. Vezys, Tumor-Targeted Low-dose Radiation and Immunotherapy in Mouse Models of Melanoma, ASTRO 62nd annual meeting (2020)

S. Fakhraei, D. Sterling, E. Ehler, P. Alaei, A Patient-Specific Model for Tracking Lung Tumor During Radiotherapy Using Surrogate Signal, AAPM 62nd annual meeting (2020)

A. Alshreef, D. Sterling, P. Alaei, C. Ferreira, Radiation Safety Aspects for GammaTile Implant Brachytherapy, AAPM 62nd annual meeting (2020)

S. Fakhraei, C. Wilke, P. Alaei, Evaluation of Surface Registration Accuracy for Patient Positioning in Head and Neck Radiotherapy Using Normal Distribution Transform Algorithm, AAPM 62nd annual meeting (2020)

A. Olch, P. Alaei, How Low Can You Go? A CBCT Dose Reduction Study, AAPM 62nd annual meeting (2020)

C. Benson, P. Alaei,  Effect of Incomplete Or Incorrect Beam Data On Treatment Planning Dose Calculation Accuracy, AAPM 61st annual meeting, San Antonio, TX (2019)

C. Ferreira, D. Sterling , P. Alaei, The Commissioning of First Commercial Implementation of GammaTile Permanent Brain Implant, AAPM 61st annual meeting, San Antonio, TX (2019)

L. Claps, P. Alaei, Comparison of Manual Vs. Semi-Automatic CBCT Image Analysis, AAPM 61st annual meeting, San Antonio, TX (2019)

A. Anvari, M. Mohammadi, P. Alaei, S. Mahdavi, Initial clinical experience of fluoroscopic EPID dosimetry, The Engineering and Physical Sciences in Medicine 2017 Conference, Hobart, Australia (2017)

P. Alaei, Sensitivity of Electron Dose Calculations to CT-To-Density Curve Variations, AAPM 59th annual meeting, Denver, CO (2017)   (ePoster Presentation)

N. Gholizadeh Sendani , C. Ferreira , P. Alaei, Impact of Region of Interest Size and Location in Gafchromic Film Dosimetry, AAPM 59th annual meeting, Denver, CO (2017)

S. Fakhraei, D. Sterling , E. Ehler , C. Conduah , P. Alaei, Combining Catalyst HD and SBRT Positioning Systems, AAPM 59th annual meeting, Denver, CO (2017)

D. Mathew, P. Alaei, Applying Failure Modes and Effects Analysis to Treatment Planning System QA, AAPM 58th annual meeting, Washington, DC, 2016

R. Azimi, A. Kilgore, P. Alaei, The Sensitivity of Routine IMRT QA Metrics to Monitor Unit Errors, AAPM 58th annual meeting, Washington, DC, 2016

T. Reynolds, L. Arentsen , Y. Watanabe , P. Alaei, Simplified EDW Profile Measurements Using Two Commonly Available Detector Arrays, AAPM 57th annual meeting, Anaheim, CA 2015

A. Anvari, S.M.R. Aghamiri, S.R. Mahdavi, P. Alaei, “An empirical model for portal dose prediction by a CCD camera-based EPID”, 3rd ESTRO Forum, Barcelona, Spain 2015

S. Hui, Y. Takahashi, S. Holtan, R. Azimi, M. Yagi, J. Ingvalson, D. Seelig, P. Alaei, L. Arentsen, L. Godin, A. Domek, M. Ehrhardt, A. Panoskaltsis-Mortari, Comparison of Oxidant Stress and Damage-Related Responses after Total Body Irradiation Versus Total Marrow Irradiation in Rodents, 56th ASH meeting and Exposition, San Francisco, CA 2014

P. Alaei, Is Routine Treatment Planning System Quality Assurance Necessary? AAPM 56th annual meeting, Austin, TX 2014

G. Ding, P. Alaei, Radiation Dose to Patients Resulting From Image Guidance Procedures and AAPM TG-180 Update, AAPM 56th annual meeting, Austin, TX 2014

A. Anvari, S. Aghamiri, S. Mahdavi, P. Alaei, Characterization of a 2D Array for QA and Pretreatment Plan Verification, AAPM 56th annual meeting, Austin, TX 2014

P Alaei, E Spezi, E Ehler, K Dusenbery, Assessing and Minimizing the Dose from KV Cone Beam CT to Pediatric Patients Undergoing Radiation Therapy. AAPM 55th annual meeting, Indianapolis, IN 2013

P. Alaei, E. Spezi, M. Reynolds, Calculating the Dose From KV Cone Beam CT Within and Outside the Treatment Volume Using a Treatment Planning System, AAPM 54th annual meeting, Charlotte, NC 2012

R. Azimi, P. Alaei, S. Hui, Commissioning An Orthovoltage Unit Used for Radiobiology Research, AAPM 54th annual meeting, Charlotte, NC 2012

D. Paulu, P. Alaei, Evaluation of Treatment Planning Dose Calculation Accuracy at the Interface of Prosthetic Devices, AAPM 54th annual meeting, Charlotte, NC 2012

L. Arentsen, R. Azimi, P. Alaei, G. Fairchild, L. Kidder, S. Hui, Characterization of Rotating Source MicroCT for Evaluating In Vivo Murine Trabecular Bone, AAPM 54th annual meeting, Charlotte, NC 2012

P. Alaei, E. Spezi, Evaluating the additional dose from kV cone beam CT using Monte Carlo and a commercial treatment planning system, Third European Workshop on Monte Carlo Treatment Planning of the European Workgroup on MCTP, Seville, Spain, 2012

P. Alaei, Influence of technique and filtration on kilovoltage cone beam CT dose, AAPM 53rd annual meeting, Vancouver, BC 2011

L. Qin, P. Alaei , J. Zhang , S. Chaudhari, Measuring cone beam CT dose using a commercial 4D diode array, AAPM 53rd annual meeting, Vancouver, BC 2011

H. Alkhatib, J. Stenbeck, D. Tedeschi, B. Tsang, S. Oves, W. Neglia, P. Higgins, P. Alaei, K. Bzdusek, The Modeling of Cone Beam Computed Tomography in a Treatment Planning System,AAPM 53rd annual meeting, Vancouver, BC 2011

Z. Grelewicz , E. Pearson, P. Alaei, C. Pelizzari, R. Wiersma, Investigation of a Dynamical kV Aperture together with Combined MV-kV Dose Planning for Implementing Real-Time 3D MV-kV Prostate Motion Tracking, ASTRO 52nd annual meeting, San Diego, CA 2010

P. Alaei, E. Spezi, P. Downes, R. Jarvis, E. Radu, M. Reynolds, Inclusion of KV CBCT Dose in the Patient Treatment Plans and Evaluation of Dose to Normal Tissue and Critical Organs, AAPM 52nd annual meeting, Philadelphia, PA 2010

R. Azimi, P. Alaei, P. Higgins, Effect of Small Field Output Factors On Pinnacle IMRT Dose, AAPM 52nd annual meeting, Philadelphia, PA 2010

Z. Grelewicz , E. Pearson, P. Alaei, C. Pelizzari, R. Wiersma, Investigation of Combined MV-KV Prostate Treatment Dose Planning for Real-Time MV-KV IGRT, AAPM 52nd annual meeting, Philadelphia, PA 2010

P. Alaei, B. Gerbi, P. Higgins, Evaluation of a self-contained orthovoltage x-ray unit, AAPM 51st annual meeting, Anaheim, CA 2009

P. Alaei, E. Spezi, P. Downes, E. Radu, R. Jarvis, Modeling the Elekta XVI CBCT beam in a commercial treatment planning system, AAPM 51st annual meeting, Anaheim, CA 2009

P. Alaei, Patrick D. Higgins, Modeling the increased scatter from tertiary collimators, AAPM 50th annual meeting, Houston, TX 2008

P. Alaei, Patrick D. Higgins, Bruce J. Gerbi, Effect of the added buildup on p-type silicon diodes' response in daily in vivo dosimetry measurements, AAPM 49th annual meeting, Minneapolis, MN 2007

P. Alaei, Patrick D. Higgins, Temporal Variation of Characteristic Curves of EDR2 Film Used for IMRT Quality Assurance, AAPM 49th annual meeting, Minneapolis, MN 2007

M. Ozer, S.K. Hui, B.J. Gerbi, P.D. Higgins, P. Alaei, K. Dusenbery, Extended Range CT-Value Analysis in Megavoltage CT Imaging and Therapy, AAPM 48th annual meeting, Orlando, FL 2006

P. Alaei, S.K. Hui, P.D. Higgins, B.J. Gerbi, The Use of a Commercial QA Device for Daily Output Check of a Helical Tomotherapy Unit, AAPM 48th annual meeting, Orlando, FL 2006

P. Alaei, P.D. Higgins, B.J. Gerbi, In Vivo Dosimtery for IMRT Treatments Generated by Pinnacle Treatment Planning System, AAPM 48th annual meeting, Orlando, FL 2006

S.K. Hui, P. Alaei, P.D. Higgins, B.J. Gerbi, In vivo dosimetry for helical tomotherapy dose verification, AAPM 47th annual meeting, Seattle, WA, 2005

P.D. Higgins, P. Alaei, Aperture effects in dynamic fields, AAPM 47th annual meeting, Seattle, WA, 2005

P. Alaei, P.D. Higgins, Performance evaluation and quality assurance of enhanced dynamic wedges, AAPM 47th annual meeting, Seattle, WA, 2005

P. Alaei, B.J. Gerbi, P.D. Higgins, Evaluation of Monitor Unit Calculation Accuracy of the Pinnacle System for Dynamically Wedged Fields, AAPM 46th annual meeting, Pittsburg, PA, 2004

P.D. Higgins, P. Alaei, B.J. Gerbi, K.E. Dusenbery, In vivo diode dosimetry for routine quality assurance in IMRT, AAPM 45th annual meeting, San Diego, CA, 2003

P. Alaei, P. D. Higgins, B. J. Gerbi, Evaluation of a commercial semiconductor detector for patient dosimetry, AAPM 45th annual meeting, San Diego, CA, 2003

N. Nguyen, P. D. Higgins, P. Alaei, Evaluation of Kodak EDR2 film and its application in IMRT dose verification, AAPM 44th annual meeting, Montreal, QC, 2002

P. Alaei, P. D. Higgins, R. Weaver, N. Nguyen, Comparison of dynamic and step-and- shoot intensity-modulated radiation therapy planning and delivery using the Helios system, AAPM 44thannual meeting, Montreal, QC, 2002

P. Alaei, B. J. Gerbi and R. A. Geise, Evaluation of a 3D treatment planning system for dose computations in the kilovoltage energy range, AAPM 41st annual meeting, Nashville, TN, 1999