Using prediction models to evaluate magnetic resonance image guided radiation therapy plans [0.03%]
利用预测模型评估磁共振图像引导放射治疗计划
M Allan Thomas,Joshua Olick-Gibson,Yabo Fu et al.
M Allan Thomas et al.
Comprehensive analysis of daily, online adaptive plan quality and safety in magnetic resonance imaging (MRI) guided radiation therapy is critical to its widespread use. Artificial neural network models developed with offline plans created a...
Influence of beam quality on reference dosimetry correction factors in magnetic resonance guided radiation therapy [0.03%]
束流质量对磁共振引导放射治疗参考剂量校正因子的影响研究
Stefan Pojtinger,Marcel Nachbar,Ralf-Peter Kapsch et al.
Stefan Pojtinger et al.
Correction factors for reference dosimetry in magnetic resonance (MR) imaging-guided radiation therapy ( k B → , M , Q ) are often determined in setups that combine a conventional 6 MV linac with an electromagnet. This study inves...
Evaluation of an a priori scatter correction algorithm for cone-beam computed tomography based range and dose calculations in proton therapy [0.03%]
锥束CT引导下基于散射校正算法的质子治疗剂量及程射线计算评估研究
Andreas Gravgaard Andersen,Yang-Kyun Park,Ulrik Vindelev Elstrøm et al.
Andreas Gravgaard Andersen et al.
Background and purpose: Scatter correction of cone-beam computed tomography (CBCT) projections may enable accurate online dose-delivery estimations in photon and proton-based radiotherapy. This study aimed to evaluate the...
Dose response of three-dimensional silicone-based radiochromic dosimeters for photon irradiation in the presence of a magnetic field [0.03%]
磁场中光子照射下基于硅胶的三维放射变色剂量计的剂量响应关系研究
Morten B Jensen,Peter Balling,Simon J Doran et al.
Morten B Jensen et al.
The magnetic field in magnetic resonance imaging guided radiotherapy (MRgRT) delivery systems influences charged-particle trajectories and hence the three-dimensional (3D) radiation dose distributions. This study investigated the dose-respo...
Treatment plan quality assessment for radiotherapy of rectal cancer patients using prediction of organ-at-risk dose metrics [0.03%]
基于风险器官放射剂量预测的直肠癌患者放疗方案评估方法研究
Ana Vaniqui,Richard Canters,Femke Vaassen et al.
Ana Vaniqui et al.
Background and purpose: Radiotherapy centers frequently lack simple tools for periodic treatment plan verification and feedback on current plan quality. It is difficult to measure treatment quality over different years or...
Quantitative magnetic resonance imaging on hybrid magnetic resonance linear accelerators: Perspective on technical and clinical validation [0.03%]
混合磁共振直线加速器的定量磁共振成像：技术与临床验证展望
Daniela Thorwarth,Matthias Ege,Marcel Nachbar et al.
Daniela Thorwarth et al.
Many preclinical and clinical observations support that functional magnetic resonance imaging (MRI), such as diffusion weighted (DW) and dynamic contrast enhanced (DCE) MRI, might have a predictive value for radiotherapy. The aim of this re...
Evaluation of multi-institutional end-to-end testing for post-operative spine stereotactic body radiation therapy [0.03%]
多机构后装综合测试在脊柱立体定向体放射治疗中的评价研究论文
Tomohisa Furuya,Young K Lee,Ben R Archibald-Heeren et al.
Tomohisa Furuya et al.
Background and purpose: Post-operative spine stereotactic body radiation therapy (SBRT) represents a significant challenge as there are many restrictions on beam geometry to avoid metal hardware as it surrounds the target...
Assessment of manual adjustment performed in clinical practice following deep learning contouring for head and neck organs at risk in radiotherapy [0.03%]
深度学习勾画头颈部危及器官轮廓后的手动调整的临床评估研究
Charlotte L Brouwer,Djamal Boukerroui,Jorge Oliveira et al.
Charlotte L Brouwer et al.
Background and purpose: Auto-contouring performance has been widely studied in development and commissioning studies in radiotherapy, and its impact on clinical workflow assessed in that context. This study aimed to evalu...
A study to investigate the influence of cardiac motion on the robustness of pencil beam scanning proton plans in oesophageal cancer [0.03%]
一项研究：心脏运动对食道癌-pencil束扫描质子计划稳健性影响的调查
Melissa Thomas,Gilles Defraene,Mario Levis et al.
Melissa Thomas et al.
While proton therapy offers an excellent dose conformity and sparing of organs at risk, this can be compromised by uncertainties, e.g. organ motion. This study aimed to investigate the influence of cardiac motion on the contoured oesophagus...
Magnitude and dosimetric impact of inter-fractional positional variations of the metal port of tissue expanders in postmastectomy patients treated with radiation [0.03%]
乳房切除术后患者放射治疗过程中组织扩张器金属端口的节间摆位变化及其剂量学影响大小研究
Keren Mayorov,Elsayed Ali
Keren Mayorov
Background and purpose: Postmastectomy breast reconstruction involves the insertion of a temporary tissue expander, which contains a metal injection port. The purpose of this study was to determine the magnitude and dosim...