Search Results - "Cherpak, Amanda"

Improving image quality and reducing dose with 2.5 MV diamond target volume‐of‐interest cone beam CT imaging by Borsavage, Jennifer M., Cherpak, Amanda J., Robar, James L.

“…Purpose Over the past decades, continuous efforts have been made to improve megavoltage (MV) image quality versus dose characteristics, including the…”
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Investigation of a novel 2.5 MV sintered diamond target beam for intracranial linac-based stereotactic treatments by Borsavage, Jennifer M, Cherpak, Amanda J, Robar, James L

“… This work investigates the small-field dosimetric characteristics of a 2.5 MV sintered diamond target beam and its feasibility for use in linac-based…”
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Energy‐dependent OAR sparing and dose conformity for total marrow irradiation of obese patients by Cherpak, Amanda J., Monajemi, Thalat, Chytyk‐Praznik, Krista, Mulroy, Liam

“…Purpose To investigate the effect on target coverage and organs at risk sparing by using 10 versus 6 MV for VMAT total marrow irradiation of obese patients…”
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Investigation of planar image quality for a novel 2.5 MV diamond target beam from a radiotherapy linear accelerator by Borsavage, Jennifer M., Cherpak, Amanda, Robar, James L.

“…A commercial 2.5 MV beam has been clinically available for beam’s-eye-view imaging in radiotherapy, offering improved contrast-to-noise ratio (CNR) compared to…”
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Clinical use of a novel in vivo 4D monitoring system for simultaneous patient motion and dose measurements by Cherpak, Amanda J, Cygler, Joanna E, Andrusyk, Steve, Pantarotto, Jason, MacRae, Robert, Perry, Gad

“…Abstract Purpose A new 4D in vivo dosimetry tool, RADPOS, has been used on lung cancer patients to evaluate the feasibility of using the detectors to…”
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Considerations for intensity modulated total body or total marrow and lymphoid irradiation by Parsons, David, Lim, Tze Yee, Teruel, Jose R., Galavis, Paulina, Agostinelli, Stefano, Liang, Jieming, Mancosu, Pietro, Cherpak, Amanda, Stanley, Dennis N., Ahn, Kang-Hyun, Guo, Bingqi, Gonzalez, Yesenia, Burmeister, Jay, Wong, Jeffrey Y.C., Gu, Xuejun, Kim, Grace Gwe-Ya

“…•Seven centres process of intensity modulated total body irradiation.•Six centres process of intensity modulated total marrow irradiation.•Tables were designed…”
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Real-time measurement of urethral dose and position during permanent seed implantation for prostate brachytherapy by Cherpak, Amanda J, Cygler, Joanna E, E, Choan, Perry, Gad

“…Abstract Purpose The in vivo dosimetry tool, RADPOS, has been modified to include a metal oxide–silicon semiconductor field effect transistor (MOSFET) array…”
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Surface Dosimetry of Patients Undergoing Total Body Irradiation: A Retrospective Analysis for Quality Assurance by Sengupta, Arpita, Wilke, Derek R, Cherpak, Amanda, Chytyk-Praznik, Krista, Schella, Jason, Yewondwossen, Mammo, Allan, James, Mulroy, Liam

“…Total body irradiation (TBI) is used prior to bone marrow transplantation as part of the conditioning regimen in selected patients. A linear accelerator-based…”
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Individualized Dose-Escalation of HDR Prostate Brachytherapy Implant to Decrease Required External Beam Radiation Dose: A Retrospective Feasibility Study by Dahn, Hannah M., MD, Oliver, Patricia A.K., PhD, Allen, Stefan, MD, Cherpak, Amanda, PhD, Syme, Alasdair, PhD, Patil, Nikhilesh, MD, Bowes, David, MD

“…AbstractPurposeHigh-dose-rate brachytherapy (HDR-BT) is commonly combined with external beam radiation therapy (EBRT) for the treatment of localized prostate…”
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4D dose-position verification in radiation therapy using the RADPOS system in a deformable lung phantom by Cherpak, Amanda, Serban, Monica, Seuntjens, Jan, Cygler, Joanna E.

“…Purpose: A novel 4Din vivo dosimetry system (RADPOS), in conjunction with a deformable lung phantom, has been evaluated as a potential quality assurance tool…”
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Poster - 43: Analysis of SBRT and SRS dose verification results using the Octavius 1000SRS detector by Cherpak, Amanda

“…Purpose: The Octavius 1000SRS detector was commissioned in December 2014 and is used routinely for verification of all SRS and SBRT plans. Results of…”
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Design and evaluation of 3D printable patient‐specific applicators for gynecologic HDR brachytherapy by Semeniuk, Oleksii, Cherpak, Amanda, Robar, James

“…Purpose The purpose of this study is to improve dose distribution and organ‐at‐risk sparing during gynecologic HDR brachytherapy with patient‐specific…”
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120 Design of Patient Specific Multi-Catheter Gynecological Brachytherapy Applicators with Customizable Catheter Positions by Penney, Jasmine, Chytyk-Praznik, Krista, Cherpak, Amanda

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105 Image-Guided Radiotherapy for Prostate Stereotactic Treatment: The Halifax Experience by Riopel, Alexandre, DeGiobbi, Jennifer, Cherpak, Amanda, Summers, Clare, Dahn, Hannah

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246 Characterizing the HU Constancy of the Varian Ethos Hypersight CBCT and Comparing IT to Conventional Systems by Fallone, Clara, MacDonald, Lee, Cherpak, Amanda, Robar, James

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194 Characterization of Novel 3D-Printed Metal Shielding for Brachytherapy Applicators by McGrath, K. Maiti, Chytyk-Praznik, Krista, Cherpak, Amanda

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Evaluation of a Metal Artifact Reduction Algorithm for Image Reconstruction on a Novel CBCT Platform by Yashayaeva, Abby, MacDonald, Robert Lee, Robar, James, Cherpak, Amanda

“…Purpose The presence of metal implants can produce artifacts and distort Hounsfield units (HU) in patient computed tomography (CT) images. The purpose of this…”
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288 Clinical Integration of Multijet Fusion 3D Printing-Based Bolus for VMAT Chest Wall Patients by Joseph, Tami, Clancey, James, Hurley, Jennifer, Sibley, Allison, D’souza, Malgorzata, Orton, Elizabeth, Cherpak, Amanda, Monajemi, Thalat

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Characterization of novel 3D-printed metal shielding for brachytherapy applicators by McGrath, K Maiti, Chytyk-Praznik, Krista, Cherpak, Amanda

“…To characterize 3D-printed stainless steel metal samples in the presence of an Iridium-192 source for organ-at-risk sparing in gynecologic brachytherapy…”
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Novel Technology Allowing Cone Beam Computed Tomography in 6 Seconds: A Patient Study of Comparative Image Quality by Robar, James L., Cherpak, Amanda, MacDonald, Robert Lee, Yashayaeva, Abigail, McAloney, David, McMaster, Natasha, Zhan, Kenny, Cwajna, Slawa, Patil, Nikhilesh, Dahn, Hannah

“…The goal of this study was to evaluate the image quality provided by a novel cone beam computed tomography (CBCT) platform (HyperSight, Varian Medical…”
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