Impact of respiratory motion on dose to the airways in central and ultra-central lung stereotactic ablative body radiotherapy [0.03%]
呼吸运动对中央和超中央肺癌立体定向消融放射治疗气道剂量的影响研究
Evan Keane,Gerard G Hanna,Serena O&#x;Keefe et al.
Evan Keane et al.
Background and purpose: Stereotactic ablative body radiotherapy (SABR) achieves excellent local control in medically inoperable non-small cell lung cancer. However, treating central and ultra-central tumours carries signi...
Treatment planning comparison of focused very high energy electron and volumetric modulated arc therapy [0.03%]
高能电子束聚焦与容积调强治疗的计划对比研究
Florian Amstutz,Chengchen Zhu,Werner Volken et al.
Florian Amstutz et al.
Background and purpose: Very high energy electron (VHEE) radiotherapy gained interest owing to technical advances and its potential for FLASH radiotherapy. Magnetically focused VHEE (fVHEE) beams showed promises in prelim...
Reduced beam time and distal linear energy transfer with mini-ridge filters in pencil beam scanning proton therapy [0.03%]
笔形束扫描质子治疗中使用mini-ridge滤过器减少辐照时间及远端线性传能速率
Fionnbarr O&#x;Grady,Lisa Stephenson,Martin Janson et al.
Fionnbarr O&#x;Grady et al.
Background and purpose: Previous studies have demonstrated that mini-ridge filters (MRF) can reduce beam delivery time in pencil beam scanning (PBS) proton therapy, but the effect on plan quality has not been analyzed in ...
Comparative analysis of artificial intelligence-based contouring of cardiac substructures on computed tomography scans for radiation therapy [0.03%]
基于人工智能的放射治疗计算机断层扫描图像心脏亚结构勾画的比较分析方法研究
Alexandra Moignier,Tanguy Perennec,Elise Prangères et al.
Alexandra Moignier et al.
Background and purpose: Artificial intelligence-based contouring tools enable assessment of radiation doses to cardiac substructures beyond mean heart dose. This study examined inter-solution variations in raw contours an...
Evaluation of the accuracy of a surface-guided radiotherapy system for patient positioning in radiotherapy of breast cancer [0.03%]
表面引导放射治疗系统的准确性评估在乳腺癌的放射治疗中的患者定位方面的作用
Gracinda Johansson,Johan Knutsson,Martin Olin
Gracinda Johansson
Background and purpose: The accuracy of a surface-guided radiotherapy (SGRT) system for patient positioning in free-breathing breast cancer radiotherapy (RT) was evaluated against cone-beam computed tomography (CBCT)-base...
The impact of bladder and rectal dynamics on prostate and seminal vesicles intrafraction motion and deformation in radiotherapy [0.03%]
膀胱和直肠运动对放射治疗期间前列腺和精囊体内的运动和变形的影响研究
Febrio Lunardo,Alex Tan,Laura Baker et al.
Febrio Lunardo et al.
Introduction: Treatment uncertainties influenced by organ intrafraction motion complicate the widespread adoption of hypofractionated radiotherapy. This study aims to identify imaging features on pre-treatment magnetic re...
Robustness evaluation of carbon ion radiotherapy for ventricular tachycardia [0.03%]
碳离子放射治疗心室心动过速的稳定性评价
Yuya Miyasaka,Mayumi Ichikawa,Hikaru Souda et al.
Yuya Miyasaka et al.
Favorable clinical outcomes of carbon-ion radiotherapy (CIRT) for ventricular arrhythmia have been reported, and optimal treatment strategies are being explored. We assessed the robustness of CIRT plans against cardiac motion in ventricular...
Dose comparison of proton beam therapy with and without a multileaf collimator in the treatment of multiple hepatocellular carcinoma [0.03%]
具有多重肿瘤的肝癌质子重离子治疗效果及剂量分布研究
Fang-Jing Li,Jen-Yu Cheng,Yu-Ming Wang et al.
Fang-Jing Li et al.
Background and purpose: Proton beam therapy (PBT) offers dosimetric advantages over conventional photon-based radiation therapy in treating hepatocellular carcinoma (HCC) because it more effectively spares normal liver ti...
A combined automatic organ at risk contouring and synthetic Computed Tomography solution for pelvic Magnetic Resonance-only radiotherapy [0.03%]
一种结合自动器官定位勾画和合成计算机断层扫描的盆腔磁共振影像引导的放疗解决方案
Jonathan J Wyatt,Sandeep Kaushik,Cristina Cozzini et al.
Jonathan J Wyatt et al.
Background and purpose: Magnetic Resonance (MR)-only radiotherapy improves treatment accuracy and efficiency but requires a synthetic Computed Tomography (sCT) for dose calculations. Automatic MR-based Organs At Risk (OAR...
X-ray beam quality checks of a magnetic resonance-guided linear accelerator with its on-board megavoltage imager [0.03%]
磁共振引导直线加速器及其机载兆伏影像仪的X射线束质检查
Guido C Hilgers,Simon J Woodings,Thomas A Foppen et al.
Guido C Hilgers et al.
This study presents a method for fast and low-cost X-ray beam quality checks of magnetic resonance-guided radiotherapy (MRgRT) linacs using the on-board megavoltage imager (MVI). On four linacs from two clinics, beam quality was varied (qua...