Zobrazeno 1 - 10
of 90
pro vyhledávání: '"Jiajian Shen"'
Autor:
Jason Holmes, Zhengliang Liu, Lian Zhang, Yuzhen Ding, Terence T. Sio, Lisa A. McGee, Jonathan B. Ashman, Xiang Li, Tianming Liu, Jiajian Shen, Wei Liu
Publikováno v:
Frontiers in Oncology, Vol 13 (2023)
PurposeWe present the first study to investigate Large Language Models (LLMs) in answering radiation oncology physics questions. Because popular exams like AP Physics, LSAT, and GRE have large test-taker populations and ample test preparation resourc
Externí odkaz:
https://doaj.org/article/142b518fb68a4efba8a539160d00300b
Autor:
Lewei Zhao, Gang Liu, Shupeng Chen, Jiajian Shen, Weili Zheng, An Qin, Di Yan, Xiaoqiang Li, Xuanfeng Ding
Publikováno v:
Radiation Oncology, Vol 17, Iss 1, Pp 1-19 (2022)
Abstract Background A new compact superconducting synchrocyclotron single-room proton solution delivers pulsed proton beams to each spot through several irradiation bursts calculated by an iterative layer delivery algorithm. Such a mechanism results
Externí odkaz:
https://doaj.org/article/22fa2901e96047c88eedbf63d676c1c2
Autor:
Jason Holmes, Jiajian Shen, Samir H. Patel, William W. Wong, Robert L. Foote, Martin Bues, Wei Liu
Publikováno v:
Frontiers in Oncology, Vol 12 (2022)
The purpose of this work is to investigate collimating individual proton beamlets from a dosimetric perspective and to introduce a new device concept, the spot scanning aperture (SSA). The SSA consists of a thin aperture with a small cylindrical open
Externí odkaz:
https://doaj.org/article/fb14e05e4a4e4f84a36f7b996f91ca23
Publikováno v:
Frontiers in Oncology, Vol 12 (2022)
PurposeTo investigate the beam delivery time (BDT) reduction due to the improvement of machine parameters for Hitachi synchrotron-based proton PBS system.MethodsBDTs for representative treatment plans were calculated to quantitatively estimate the BD
Externí odkaz:
https://doaj.org/article/0c7a0af6ecb54dce84dbe06d136e8055
Autor:
Haibo Lin, Chengyu Shi, Sheng Huang, Jiajian Shen, Minglei Kang, Qing Chen, Huifang Zhai, James McDonough, Zelig Tochner, Curtiland Deville, Charles B. Simone, Stefan Both
Publikováno v:
Radiation Oncology, Vol 16, Iss 1, Pp 1-10 (2021)
Abstract Background A range pull-back device, such as a machine-related range shifter (MRS) or a universal patient-related range shifter (UPRS), is needed in pencil beam scanning technique to treat shallow tumors. Methods Three UPRS made by QFix (Avo
Externí odkaz:
https://doaj.org/article/8fde176b51cb48f9b98b94762af193ed
Autor:
Hao Gong, Shengzhen Tao, Justin D. Gagneur, Wei Liu, Jiajian Shen, Cynthia H. McCollough, Yanle Hu, Shuai Leng
Publikováno v:
Radiation Oncology, Vol 16, Iss 1, Pp 1-10 (2021)
Abstract Background Mega-voltage fan-beam Computed Tomography (MV-FBCT) holds potential in accurate determination of relative electron density (RED) and proton stopping power ratio (SPR) but is not widely available. Objective To demonstrate the feasi
Externí odkaz:
https://doaj.org/article/c20553149eff44598596896c1ea9f74e
Autor:
Liyong Lin, PhD, Paige A. Taylor, MS, Jiajian Shen, PhD, Jatinder Saini, PhD, Minglei Kang, PhD, Charles B. Simone, II, MD, Jeffrey D. Bradley, MD, Zuofeng Li, DSc, Ying Xiao, PhD
Publikováno v:
International Journal of Particle Therapy, Vol 8, Iss 2, Pp 73-81 (2021)
Purpose/Objective(s): Monte Carlo (MC) dose calculation has appeared in primary commercial treatment-planning systems and various in-house platforms. Dual-energy computed tomography (DECT) and metal artifact reduction (MAR) techniques complement MC c
Externí odkaz:
https://doaj.org/article/d334a707a4284f85b1cca70c096cdd9a
Autor:
Anojan Navaratnam, MBBS, FRACS, Jameson Cumsky, BS, Haidar Abdul-Muhsin, MB, ChB, Justin Gagneur, MA, Jiajian Shen, PhD, Heidi Kosiorek, MS, Michael Golafshar, MS, Akira Kawashima, MD, William Wong, MD, Robert Ferrigni, MD, Mitchell R. Humphreys, MD
Publikováno v:
Advances in Radiation Oncology, Vol 5, Iss 1, Pp 92-100 (2020)
Purpose: To assess the efficacy of placing a polyethylene glycol (PEG) spacing hydrogel in patients undergoing proton beam radiation therapy for prostate cancer. This study also aims to assess the effect on rectal radiation dose of prostate–rectum
Externí odkaz:
https://doaj.org/article/72eddb20a1884b50a710f8a24d49927e
Autor:
Yixiu Kang, Jiajian Shen, Wei Liu, Paige A. Taylor, Hunter S. Mehrens, Xiaoning Ding, Yanle Hu, Erik Tryggestad, Sameer R. Keole, Steven E. Schild, William W. Wong, Mirek Fatyga, Martin Bues
Publikováno v:
Radiation Oncology, Vol 14, Iss 1, Pp 1-10 (2019)
Abstract Purpose The purpose of this study is to evaluate the impact of two methods of reporting planned dose distributions on the Gamma analysis pass rates for comparison with measured 2D film dose and simulated delivered 3D dose for proton pencil b
Externí odkaz:
https://doaj.org/article/3cb770aaca5a4144b5281c65caa027da
Autor:
James E. Younkin, PhD, Martin Bues, PhD, Terence T. Sio, MD, Wei Liu, PhD, Xiaoning Ding, PhD, Sameer R. Keole, MD, Joshua B. Stoker, PhD, Jiajian Shen, PhD
Publikováno v:
Advances in Radiation Oncology, Vol 3, Iss 3, Pp 412-420 (2018)
Purpose: Multiple energy extraction (MEE) is a technology that was recently introduced by Hitachi for its spot-scanning proton treatment system, which allows multiple energies to be delivered in a single synchrotron spill. The purpose of this paper i
Externí odkaz:
https://doaj.org/article/04c601aaf91f4999815d28f8c288deb4