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Results for "Jenghwa Chang": 9 found

A Deep Learning Approach to the Prediction of Gamma Passing Rates in VMAT Radiotherapy Plans for Adaptive Treatment.

Authors: Jenghwa Chang, Kuan Huang, Lyu Huang, Jason Lima, Jian Liu, Farzin Motamedi

Affiliation: Northwell, Department of Computer Science and Technology, Kean University, Physics and Astronomy, Hofstra University, Hofstra University Medical Physics Program

Abstract Preview: Title: A Deep Learning Approach to the Prediction of Gamma Passing Rates in VMAT Radiotherapy Plans for Adaptive Treatment.
Purpose: This study aims to develop a deep learning algorithm to predict ...

A Dosimetric Analysis between Surgically Targeted (STaRT) Radiation Therapy and External Beam Stereotactic Radiation Therapy for Glioblastoma Resection Cavities

Authors: Jamieson Baker, Emel Calugaru, Yijian Cao, Jenghwa Chang, Jessica Jung, Jian Liu, Cindy Pham, Anurag Sharma, John Starner, Ching-Ling Teng, Michael A. Trager, Gabriella Wernicke

Affiliation: Northwell, Northwell Health, Radiation Medicine, Northwell Health, Hofstra University Medical Physics Program

Abstract Preview: Purpose: Our hospital network has options to treat recurrent glioblastoma (GBM) with surgically targeted Cesium-131 brachytherapy, external beam stereotactic radiotherapy (SRT) with Varian TrueBeam, H...

A New Approach for Teaching Mathematical and Computational Methods to Medical Physics Students

Authors: Jenghwa Chang, Marissa Joyce Vaccarelli

Affiliation: Northwell, Hofstra University Medical Physics Program

Abstract Preview: Purpose: AAPM Report 365 recommends medical physics graduate programs offer courses covering mathematical/statistical methods (section 3.1.7) as well as computational methods/medical informatics (sect...

An End-to-End Test for Adaptive Radiotherapy with Varian Hypersight CBCT Imaging System Using Radiochromic Film in a Rando Pelvis Phantom

Authors: Jameson T. Baker, Yijian Cao, Jenghwa Chang, Sean T Grace, Lyu Huang, Jian Liu, Echezona Simon Obi, Anurag Sharma

Affiliation: Northwell, Hofstra University Medical Physics Program

Abstract Preview: Purpose:
To validate the end-to-end dosimetrical accuracy of Varian HyperSight CBCT for adaptive radiotherapy (ART), from simulation to dose delivery, using radiochromic film dosimetry in a Rando p...

Design and Implementation of a Dedicated Ethics and Professionalism Course for a Campep Accredited Graduate Program in Medical Physics

Authors: Jenghwa Chang, Marissa Joyce Vaccarelli

Affiliation: Northwell, Hofstra University Medical Physics Program

Abstract Preview: Purpose: Our University has a CAMPEP-accredited Master of Science (MS) in Medical Physics program with an established curriculum. Prior, ethics and professionalism themes were taught in an introductor...

Evaluating Stent-Induced Dose Perturbations in Intravascular Brachytherapy with EBT4 Films

Authors: Yijian Cao, Jenghwa Chang, Nicholas Coupey, Lyu Huang, Jessica Jung

Affiliation: Northwell, Hofstra University Medical Physics Program

Abstract Preview: Purpose:
The Synergy bioabsorbable polymer (BP) stent, made of Platinum Chromium Alloy, is widely utilized in treating coronary artery disease. This study investigates dose perturbations caused by ...

Evaluation of MRI Distortion across a Multi-Site Health System and the Importance of MRI Distortion QA in Stereotactic Radiosurgery (SRS)

Authors: Emel Calugaru, Jenghwa Chang, Sean T Grace, Nicholas Harvey, Jessica Jung, Ching-Ling Teng

Affiliation: Northwell, Hofstra University, Hofstra University Medical Physics Program

Abstract Preview: Purpose: To evaluate the consistency of MRI distortion corrections across Northwell Health system and evaluate the necessity and importance of distortion QA for MRIs used for stereotactic radiosurgery...

Evaluation of Treatment Delivery Efficiency and Workflow Optimization in Prostate Stereotactic Body Radiation Therapy: A Comparative Study of C-Arm and O-Ring Linear Accelerators

Authors: Yijian Cao, Jenghwa Chang, Lyu Huang

Affiliation: Northwell, Hofstra University Medical Physics Program

Abstract Preview: Purpose: This study evaluates the treatment delivery efficiency and workflow of two advanced linear accelerator systemsβ€”Varian’s TrueBeam (C-arm) and Halcyon (O-ring)β€”for prostate Stereotactic Body Ra...

The Dosimetric and Dose RATE Characteristics for Bragg Peak Proton MINI-Ridge Filter Flash in Comparison to Conventional Proton and Filter Free Flash for Breast and Prostate

Authors: Jenghwa Chang, Chingyun Cheng, J Isabelle Choi, Muhammad Hamza, Minglei Kang, Tyler Kaulfers, Grant Lattery, Haibo Lin, Charles B. Simone, Xingyi Zhao

Affiliation: Peking University, Hofstra University Medical Physics Program, New York Proton Center, Department of Human Oncology, University of Wisconsin School of Medicine and Public Health, Physics and Astronomy, Hofstra University, Physics Resident at Montefiore Einstein, Department of Human Oncology, University of Wisconsin-Madison

Abstract Preview: Purpose: In terms of high dose rate FLASH, the question remains on how to properly deliver treatment and what clinical sites are feasible to deliver such treatment. The novel Bragg peak (BP-FLASH) and...