Zobrazeno 1 - 10
of 398
pro vyhledávání: '"Intra-fraction"'
Publikováno v:
Frontiers in Oncology, Vol 13 (2024)
PurposeThis study simulates a novel prostate SBRT intra-fraction re-optimization workflow in MRIgART to account for prostate intra-fraction motion and evaluates the dosimetric benefit of reducing PTV margins.Materials and methodsVMAT prostate SBRT tr
Externí odkaz:
https://doaj.org/article/ad45e70ea2264c41992eadf1d6826c23
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 29, Iss , Pp 100541- (2024)
Background and Purpose: Surface Guided Radiotherapy (SGRT) for head and neck radiotherapy is challenging as obstructions are common and non-rigid facial motion can compromise surface accuracy. The purpose of this work was to develop and benchmark the
Externí odkaz:
https://doaj.org/article/95a5bf0fc9d34400b12d8afbf5ca595e
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 24, Iss , Pp 159-166 (2022)
Background and purpose: Strategies to limit the impact of intra-fraction motion during treatment are common in radiotherapy. Margin recipes, however, are not designed to incorporate these strategies. This work aimed to provide a framework to determin
Externí odkaz:
https://doaj.org/article/17bc4b81e84143c8b5e06251f8e446da
Autor:
Miguel A. Palacios, Sonja Verheijen, Famke L. Schneiders, Omar Bohoudi, Berend J. Slotman, Frank J. Lagerwaard, Suresh Senan
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 24, Iss , Pp 76-81 (2022)
Background and Purpose: Magnetic resonance-guided radiotherapy (MRgRT) with real-time intra-fraction tumor motion monitoring allows for high precision Stereotactic Ablative Radiotherapy (SABR). This study aimed to investigate the clinical feasibility
Externí odkaz:
https://doaj.org/article/3a7b422b59204d95b638443c1b85da54
Autor:
Jennifer Dang, Vickie Kong, Winnie Li, Inmaculada Navarro, Jeff D. Winter, Victor Malkov, Alejandro Berlin, Charles Catton, Jerusha Padayachee, Srinivas Raman, Padraig Warde, Peter Chung
Publikováno v:
Technical Innovations & Patient Support in Radiation Oncology, Vol 23, Iss , Pp 41-46 (2022)
Purpose: The purpose of this study is to evaluate the impact of intrafraction pelvic motion by comparing the adapted plan dose (APD) and the computed delivered dose of the day (DDOTD) for patients with prostate cancer (PCa) treated with SBRT on the M
Externí odkaz:
https://doaj.org/article/82e83e5f7eb545ba8c797d77c30c46f7
Autor:
Sen-Quan Feng, Charlotte L. Brouwer, Erik W. Korevaar, Neha Vapiwala, Ken Kang-Hsin Wang, Curtiland Deville, Jr., Johannes A. Langendijk, Stefan Both, Shafak Aluwini
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 27, Iss , Pp 100474- (2023)
Inter- and intra-fractional prostate motion can deteriorate the dose distribution in extremely hypofractionated intensity-modulated proton therapy. We used verification CTs and prostate motion data calculated from 1024 intra-fractional prostate motio
Externí odkaz:
https://doaj.org/article/39568299b40049728f265de84b9e164c
Akademický článek
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Autor:
Daniel Nguyen, Rebeca Reinoso, Jad Farah, Sena Yossi, Fabrice Lorchel, Victor Passerat, Estelle Louet, Isabelle Pouchard, Mustapha Khodri, Nicolas Barbet
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 26, Iss , Pp 100448- (2023)
Background and purpose: Tumor motion and delivery efficiency are two main challenges of lung stereotactic body radiotherapy (SBRT). The present work implemented the deep inspiration breath hold technique (DIBH) with surface guided radiation therapy (
Externí odkaz:
https://doaj.org/article/a71c42a912634f2694a9b9a8ebee7bd1
Autor:
Jeffrey Snyder, Blake Smith, Joel St-Aubin, David Dunkerley, Andrew Shepard, Joseph Caster, Daniel Hyer
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
PurposeThis study assesses the impact of intra-fraction motion and PTV margin size on target coverage for patients undergoing radiation treatment of pelvic oligometastases. Dosimetric sparing of the bowel as a function of the PTV margin is also evalu
Externí odkaz:
https://doaj.org/article/a9a8933ee6354792a2cedb7ca8d5af48
Autor:
Miguel A. Palacios, Georgi Gerganov, Paul Cobussen, Shyama U. Tetar, Tobias Finazzi, Berend J. Slotman, Suresh Senan, Cornelis J.A. Haasbeek, Iwan Kawrakow
Publikováno v:
Physics and Imaging in Radiation Oncology, Vol 26, Iss , Pp 100437- (2023)
Background and Purpose: Intra-fraction motion management is key in Stereotactic Ablative Radiotherapy (SABR) gated delivery. This study assessed the accuracy of automatic tumor segmentation in the delivery of MR-guided radiotherapy (MRgRT) by compari
Externí odkaz:
https://doaj.org/article/6c3f6cdf49964eee881060360ec4632d