Fast MCsquare-Based Independent Dose Verification Platform for Pencil Beam Scanning Proton Therapy

Autor: Chunbo Liu, Meng Wei Ho, Jiyeon Park, Wen Chien Hsi, Xiaoying Liang, Zuofeng Li, Yuntao Song, Hansheng Feng, Yawei Zhang

Publikováno v: Technology in Cancer Research & Treatment, Vol 20 (2021)

Purpose: To commission MCsquare (a multi-cores CPU-based dose calculation engine) for pencil beam scanning (PBS) proton therapy, integrate it into RayStation treatment plan system (TPS) to create a dedicated platform for fast independent dose verific

Externí odkaz: https://doaj.org/article/c18db61bfa0e4f19be7eb4ea8be2aaa1

Development of an isocentric rotating chair positioner to treat patients of head and neck cancer at upright seated position with multiple nonplanar fields in a fixed carbon‐ion beamline

Autor: Yinxiangzi Sheng, Xiang Zhang, Chaowen Yang, Zhonghai Wang, R. Zhou, Feng Yang, Wen Chien Hsi, Jiayao Sun

Publikováno v: Medical Physics. 47:2450-2460

Purpose An isocentric rotating chair for a positioner was developed as a nongantry solution to provide multiple nonplanar radiation fields with a maximum tilt of 20 ∘ for treating head and neck cancer patients at an upright seated position in a fix

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2c557f342d66492854987f6f22b417fe
https://doi.org/10.1002/mp.14115

Implementation of a double scattering nozzle for Monte Carlo recalculation of proton plans with variable relative biological effectiveness

Autor: Kristian S. Ytre-Hauge, Wen Chien Hsi, Lars Fredrik Fjæra, Camilla H. Stokkevåg, Ludvig Paul Muren, Daniel J. Indelicato

Publikováno v: Physics in Medicine and Biology
65:225033
Fjæra, L F, Indelicato, D J, Stokkevåg, C H, Muren, L P, Hsi, W C & Ytre-Hauge, K S 2020, ' Implementation of a double scattering nozzle for Monte Carlo recalculation of proton plans with variable relative biological effectiveness ', Physics in Medicine and Biology, vol. 65, no. 22, 225033 . https://doi.org/10.1088/1361-6560/abc12d

A constant relative biological effectiveness (RBE) of 1.1 is currently used in clinical proton therapy. However, the RBE varies with factors such as dose level, linear energy transfer (LET) and tissue type. Multiple RBE models have been developed to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ceb30be25851df3e217869cdb61f89fd
https://hdl.handle.net/11250/2758215

Additional file 2: Table S1. of Comparison of photon volumetric modulated arc therapy, intensity-modulated proton therapy, and intensity-modulated carbon ion therapy for delivery of hypo-fractionated thoracic radiotherapy

Autor: Chi, Alexander, Lien-Chun Lin, Sijin Wen, Haijuan Yan, Wen-Chien Hsi

Normal lung dose distribution. Table S2. Dose distribution for the heart and the esophagus. Table S3. Recalculated 4D (doses accumulated from 4D CT phases within the gating window) vs. 3D dose comparison for selected dose parameters for intensity mod

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28d96cad4f760b9bf470a44fb0734e12

Cine-Magnetic Resonance Imaging Assessment of Intrafraction Motion for Prostate Cancer Patients Supine or Prone With and Without a Rectal Balloon

Autor: Qingguo Zengm, Aaron D. Falchook, Jim Dempsey, Daniel J. Indelicato, Sameer R. Keole, Anneyuko I. Saito, Wen Chien Hsi, Kenneth Oliver, Carlos Vargas

Publikováno v: American Journal of Clinical Oncology. 33:11-16

Purpose: Determine prostate intrafraction motion with Cine-magnetic resonance imaging (MRI) and deformable registration. Methods: A total of 68 cine-MRI studies were done in 17 different series with 4 scans per series in 7 patients. In without rectal

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87a068165beba8f142742de1de2df212
https://doi.org/10.1097/coc.0b013e31819fdf7c