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Orest Z. Ostapiak

Megavoltage imaging with low Z targets: Implementation and characterization of an investigational system
1998 · O. Z. Ostapiak, P. F. O'Brien, et al. · Medical Physics · 45
Refinements of the finite‐size pencil beam model of three‐dimensional photon dose calculation
1997 · O. Z. Ostapiak, Y. Zhu, et al. · Medical Physics · 37
An opposed matched field IMRT technique for prostate cancer patients with bilateral prosthetic hips
2012 · Shahin Fattahi, Orest Z. Ostapiak · Journal of Applied Clinical Medical Physics · 18
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An empirical model of electronic portal imager response implemented within a commercial treatment planning system for verification of intensity‐modulated radiation therapy fields
2008 · Rao F.H. Khan, Orest Z. Ostapiak, et al. · Journal of Applied Clinical Medical Physics · 10
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An Evaluation of Two Approaches to Skin Bolus Design for Patients Receiving Radiotherapy for Head and Neck Cancers
2014 · Andrew Luu, Lilian Doerwald-Munoz, et al. · Journal of medical imaging and radiation sciences · 9
Analysis of mechanical sources of patient alignment errors in radiation therapy
2002 · Douglas R. Wyman, Orest Z. Ostapiak, et al. · Medical Physics · 7
A phase 2 study of stereotactic body radiation therapy for squamous cell carcinoma of the head and neck (SHINE): a single arm clinical trial protocol
2023 · Justin Lee, Nhu Tram Nguyen, et al. · BMC Cancer · 3
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Extensive cutaneous T-cell lymphoma and challenges with radiation treatment
2017 · Padma Muruganandam, Sachi M. Voruganti, et al. · Applied Radiation Oncology · 1
Assessment of Comfort and Shrinkage in Four Styles of Thermoplastic Masks
2014 · Valerie Dovell, Shahzad Bhutto, et al. · Journal of medical imaging and radiation sciences · 1
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Poster — Thur Eve — 28: Optimization of a prostate cancer IGRT protocol
2012 · O Dona, K Diamond, et al. · Medical Physics · 1
SU‐E‐T‐34: Time Series Analysis of Skin Reactions during Heck and Neck IMRT
2011 · D Glennie, L Doerwald‐Munoz, et al. · Medical Physics · 1
‘Is There a Difference’: Can Bowel Gas be Ignored in Pelvic Radiation Therapy Planning?
2026 · Esther Lo, Orest Ostapiak · Journal of medical imaging and radiation sciences
From Pilot to Practice: Radiation Therapist–Driven Integration of AI Auto-Contouring into Treatment Planning from an eHealth Perspective
2026 · Jeeun An, Orest Ostapiak · Journal of medical imaging and radiation sciences
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Evaluating Accufix Head and Neck Shoulder Immobilization for Head and Neck Radiation Therapy
2025 · Serena Chan, Orest Ostapiak, et al. · Undergraduate Research in Natural and Clinical Science and Technology (URNCST) Journal
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EP.08B.03 Prognostic Value of Irradiated Cardiac and Metabolic Tumor Volume in Unresected LA-NSCLC Treated with Concurrent Chemo-Radiotherapy.
2024 · M.G. Savadkoohi, A.G. Gouveia, et al. · Journal of Thoracic Oncology
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321 Comparison of Patient-Specific Quality Assurance Results from a Deliver-Log Based Calculation System and Dose Reconstruction in Patient Anatomy Based on Phantom Measurements
2023 · Gordon Chan, Orest Ostapiak, et al. · Radiotherapy and Oncology
Evaluation of the Role of Optical Surface Monitoring Systems in Aiding Pre-CBCT Setups for Head and Neck and Neurological Cancer Patients
2020 · Sarah DiPietro, Tracy VanSantvoort, et al. · Journal of medical imaging and radiation sciences
Determining Potential Benefits of Volumetric Image Matching in Radiation Therapy
2019 · Sarah Aubert, Orest Ostapiak · Journal of medical imaging and radiation sciences
The Evaluation of 4MV Volumetric Modulated Arc Therapy Treatment for Early Stage Laryngeal Cancer
2018 · Jocelyn Ho, Benjamin Chean, et al. · Journal of medical imaging and radiation sciences
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Determining the Effect of Gantry Rotation Limits on Plan Quality for Head and Neck Patients with Homo-lateral Disease
2017 · Orest Ostapiak, Julianna Pinizzotto · Journal of medical imaging and radiation sciences
An Evaluation of Bolus Placement and its Effect on the Dose Distribution of Patients Receiving Radiotherapy for Head and Neck Cancers
2016 · Jacob Kempt, Orest Ostapiak · Journal of medical imaging and radiation sciences
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Determining the Optimal Arc-Length for VMAT Treatment to the Prostatic-Bed
2015 · Andrew Rossall, Orest Ostapiak · Journal of medical imaging and radiation sciences
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Poster - Thur Eve - 68: Assessment of post-fabrication deformation in three styles of thermoplastic masks
2014 · Ayman Tunkr, Greg Sawesky, et al. · Medical Physics
A Study of the Impact of Dose Grid Resolution on IMRT Optimization
2014 · Chaehee Ryu, Orest Ostapiak · Journal of medical imaging and radiation sciences
Investigation of Differences in VMAT Dose Calculated by Two Treatment Planning Systems
2012 · W. Zia, O. Ostapiak · Journal of medical imaging and radiation sciences
Works count: 40
Citation count: 133
H-index: 6
I10-index: 4
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