Results 51 to 60 of about 3,973,865 (282)

Planning and Treatment Recommendations for Breast Proton Therapy From a Single Center's Experience

Advances in Radiation Oncology, 2023
Purpose: Proton therapy use for breast cancer has grown due to advantages in coverage and potentially reduced late toxicities compared with conventional radiation therapy.
Rachel B. Ger, PhD, Khadija Sheikh, PhD, Emile Gogineni, DO, Bethlehem Floreza, BS, Victoria Croog, MD, Heng Li, PhD, Jean L. Wright, MD   +6 more
doaj   +1 more source

Monte Carlo study of secondary electron production from gold nanoparticle in proton beam irradiation [PDF]

, 2014
Purpose: In this study, we examined some characteristics of secondary electrons produced by gold nanoparticle (NP) during proton beam irradiation.Method: By using the Geant4 Monte Carlo simulation toolkit, we simulated the NP at the range from radius (r)
Gao, Jeff; Department of Medical Physics, ProCure Proton Therapy Center, Oklahoma City, Oklahoma, Zheng, Yuanshui; Department of Medical Physics, ProCure Proton Therapy Center, Oklahoma City, Oklahoma   +1 more
core   +3 more sources

Adaptive step size algorithm to increase efficiency of proton macro Monte Carlo dose calculation

Radiation Oncology, 2019
Purpose To provide fast and accurate dose calculation in voxelized geometries for proton radiation therapy by implementing an adaptive step size algorithm in the proton macro Monte Carlo (pMMC) method.
Reto Kueng, Daniel Frei, Werner Volken, Fabian Stuermlin, Marco F. M. Stampanoni, Daniel M. Aebersold, Peter Manser, Michael K. Fix   +7 more
doaj   +1 more source

Artificial Intelligence-Facilitated Online Adaptive Proton Therapy Using Pencil Beam Scanning Proton Therapy

, 2023
We propose an oAPT workflow that incorporates all these functionalities and validate its clinical implementation feasibility with prostate patients. AI-based auto-segmentation tool AccuContourTM (Manteia, Xiamen, China) was seamlessly integrated into oAPT. Initial spot arrangement tool on the vCT for re-optimization was implemented using raytracing. An
Feng, Hongying, Shan, Jie, Vargas, Carlos E., Keole, Sameer R., Rwigema, Jean-Claude M., Yu, Nathan Y., Ding, Yuzhen, Zhang, Lian, Schild, Steven E., Wong, William W., Vora, Sujay A., Shen, JiaJian, Liu, Wei   +12 more
openaire   +2 more sources

Deformable image registration of the treatment planning CT with proton radiographies in perspective of adaptive proton therapy

Physics in Medicine & Biology, 2021
Abstract The purpose of this work is to investigate the potentiality of using a limited number of in-room proton radiographies to compensate anatomical changes in adaptive proton therapy. The treatment planning CT is adapted to the treatment delivery scenario relying on 2D-3D deformable image registration (DIR). The proton radiographies,
Palaniappan P., Meyer S., Kamp F., Belka C., Riboldi M., Parodi K., Gianoli C.   +6 more
openaire   +2 more sources

Proton beam radiotherapy in the management of uveal melanoma: clinical experience in Scotland [PDF]

, 2008
<p>Aim: To evaluate proton-beam radiotherapy (PBRT) in the management of uveal melanoma in Scotland.</p> <p>Methods: A retrospective review was undertaken on all patients receiving PBRT for uveal melanoma (1994–2005).
McConnachie, A., Alex Taylor, Alex Kacperek, Aziz, S., Samir Aziz, Kemp, E., Andrzej McConnachie, Ewan Kemp, Kacperek, A., Taylor, A.   +9 more
core   +1 more source

Association between proton pump inhibitor therapy and clostridium difficile infection: a contemporary systematic review and meta-analysis. [PDF]

, 2012
Introduction Emerging epidemiological evidence suggests that proton pump inhibitor (PPI) acid-suppression therapy is associated with an increased risk of Clostridium difficile infection (CDI).
Sutton, AJ, Imad M. Tleyjeh (104252), Tannir Mohamad Al, Alex J Sutton, AlGhamdi, M, Muhammad Riaz (104236), Bin Abdulhak, AA, Ibrahim Talal, Mushabab AlGhamdi (112556), Baddour, LM, Alasmari Faisal A., A. A. Bin Abdulhak (7656569), Abed Allehibi, Talal Ibrahim (112568), Allehibi, A., Alasmari, FA, Faisal A. Alasmari (112549), F. A. Alasmari (7656575), A. R. Khan (3951662), AlGhamdi Mushabab, A. AlLehibi (7656593), Khan, AR, Al Tannir, M, Tleyjeh, IM, I. M. Tleyjeh (7656566), AlGhamdi, M., Abed AlLehibi (112573), Khan, A. R., Alex J. Sutton (112577), Garbati Musa A., L. M. Baddour (7656596), Aref A Bin Abdulhak, M. A. Garbati (7656578), M. Al Tannir (7656584), Bin Abdulhak, A. A., M. AlGhamdi (7656581), Erwin, P. J., Imad M Tleyjeh, Khan Abdur Rahman, Tleyjeh, I. M., Patricia J Erwin, T. Ibrahim (7656590), Muhammad Riaz, Abdur Rahman Khan (104234), Garbati, MA, Allehibi, A, Bin Abdulhak Aref A., Erwin, PJ, Sutton Alex J., M. Riaz (7656572), Riaz Muhammad, Musa A Garbati, Alasmari, F. A., Patricia J. Erwin (104246), Talal Ibrahim, Abdur Rahman Khan, Ibrahim, T., Mushabab AlGhamdi, A. J. Sutton (7648487), Faisal A Alasmari, Ibrahim, T, Mohamad Al Tannir (112562), Mohamad Al Tannir, Erwin Patricia J., Larry M Baddour, Baddour Larry M., Al Tannir, M., P. J. Erwin (7656587), Aref A. Bin Abdulhak (104239), Garbati, M. A., Larry M. Baddour (104249), Riaz, Muhammad, Riaz, M, Tleyjeh Imad M., Baddour, L. M., Sutton, A. J., Musa A. Garbati (104244), AlLehibi Abed   +77 more
core   +1 more source

Proton radiography for in vivo range verification in adaptive proton therapy

, 2022
Proton therapy is a novel radiotherapy technique that exploits the characteristic dose deposition of proton beams through matter to deliver a very localized treatment via radiation. With this technology, the desired radiation dose is given to the tumor, and healthy organs surrounding the tumor can be spared more efficiently than with conventional x-ray
openaire   +1 more source

First Application of Predictive Model to Assist Adaptive Proton Therapy [PDF]

International Journal of Radiation Oncology*Biology*Physics, 2021
PURPOSE/OBJECTIVE(S) To assess a model to predict anatomical changes in head and neck cancer patients and explore the applicability of the model as a tool for adaptive replanning in intensity-modulated proton therapy (IMPT). MATERIALS/METHODS 20 radiotherapy patients with nasopharyngeal cancer were included in this retrospective study. Each patient had
Y. Zhang, J. Alshaikhi, R.A. Amos, W. Tan, G. Royle, E. Baer   +5 more
openaire   +1 more source

Impact of interfractional target motion in locally advanced cervical cancer patients treated with spot scanning proton therapy using an internal target volume strategy

Physics and Imaging in Radiation Oncology, 2021
Background and purpose: The more localized dose deposition of proton therapy (PT) compared to photon therapy might allow a reduction in treatment-related side effects but induces additional challenges to address. The aim of this study was to evaluate the
Stéphane Niyoteka, Thomas Berger, Lars Ulrik Fokdal, Jørgen Breede Baltzer Petersen, Andras Zolnay, Mischa Hoogeman, Kari Tanderup, Håkan Ulf Nystrom   +7 more
doaj   +1 more source