The dual gap ionization chamber: a novel ionization chamber design for reference dosimetry to automatically correct for recombination losses in emerging radiotherapy modalities [0.03%]
一种新颖的离子室设计用于参考剂量测量以自动校正新兴放疗模式中的再结合损失：双重间隙电离室
Marina Orts,Séverine Rossomme,Kevin Souris et al.
Marina Orts et al.
Current dosimetry protocols typically recommend multiple measurements to determine recombination correction factors (ks), increasing the time required for dose measurements in the quality assurance workflow. We propose a novel dual-gap ioni...
Rapid optimization of focused ultrasound for complex targeting with phased array transducers and precomputed propagation operators [0.03%]
基于相控阵换能器和预计算传播算子的复杂靶区聚焦超声治疗快速优化方法
Maximilian Valentin Hasslberger,Mathew George Abraham,Kasra Naftchi-Ardebili et al.
Maximilian Valentin Hasslberger et al.
Low-intensity focused ultrasound has emerged as a versatile tool for various applications including noninvasive neuromodulation and blood-brain barrier (BBB) opening. To achieve precise individual targeting, phase aberration correction (PAC...
Design optimization using GATE Monte Carlo simulations for a sub-0.5 mm resolution PET scanner with 3-layer DOI detectors [0.03%]
基于GATE蒙特卡洛模拟的亚0.5毫米分辨率PET显微成像系统设计优化研究
Han Gyu Kang,Hideaki Tashima,Makoto Higuchi et al.
Han Gyu Kang et al.
For rodent brain PET imaging, spatial resolution is the most important factor for identifying small brain structures. Previously, we developed a submillimeter resolution PET scanner with 1 mm crystal pitch using 3-layer depth-of-interaction...
Adaptive geometric-attention multi-task framework with knowledge distillation for aortic dissection detection in non-contrast CT [0.03%]
自适应几何注意多任务框架在非对比CT图像主动脉夹层检测中的知识蒸馏方法研究
Rongli Zhang,Zhiquan Situ,Zhangbo Cheng et al.
Rongli Zhang et al.
Aortic dissection (AD) is a life-threatening cardiovascular emergency. Non-contrast-enhanced CT (NCE-CT) could provide timely AD screening with fewer contraindications compared to contrast-enhanced CT angiography (CE-CT). However, NCE-CT ex...
Probabilistic proton treatment planning: a novel approach for optimizing underdosage and overdosage probabilities of target and organ structures [0.03%]
概率质子治疗计划学：一种优化靶区及器官结构欠量和超量概率的新方法
J R de Jong,S Breedveld,S J M Habraken et al.
J R de Jong et al.
Objective. Uncertainties in treatment planning are typically managed using either margin-based or robust optimization. Margin-based methods expand the clinical target volume (CTV) towards a planning target volume, which is generally unsuite...
Object independent scatter sensitivities for PET, applied to scatter estimation through fast Monte Carlo simulation [0.03%]
应用于快速蒙特卡罗模拟的散射估算的PET独立对象散射灵敏度
Simon Noë,Seyed Amir Zaman Pour,Ahmadreza Rezaei et al.
Simon Noë et al.
Scattered coincidences are a major source of quantitative bias in positron emission tomography (PET) and must be compensated during reconstruction using an estimate of scattered coincidences per line-of-response and time-of-flight bin. Such...
Uncertainty analysis in hyperthermia treatment planning for head & neck cancer using polynomial chaos expansion [0.03%]
多项式混沌展开在头颈部癌症高热治疗计划中的不确定性分析
Roel C Kwakernaak,Massimiliano Zanoli,Zoltán Perkó et al.
Roel C Kwakernaak et al.
Hyperthermia, the elevation of tumor temperature to 39-44◦C, is an effective adjuvant treatment for head and neck (H&N) cancer, enhancing the effects of radiotherapy and chemotherapy. This study investigates the robustness of hyperthermia ...
Constructing fine-grained subcortical atlases with connectional consensus graph representation learning [0.03%]
基于连接共识图表示学习的细粒度皮层下区划构建
Zhonghua Wan,Peng Wang,Yazhe Zhai et al.
Zhonghua Wan et al.
Objective: The complex internal organization of subcortical structures forms the foundation of critical neural circuits that support sensorimotor processing, emotion regulation, and memory. However, their complex internal...
Institution-specific pre-treatment quality assurance control and specification limits: a tool to implement a new formalism and criteria optimization using statistical process control and heuristic methods [0.03%]
基于机构的治疗前质量保证控制及限定值标准：使用统计过程控制和启发式方法实施新形式化和准则优化的方法工具
Aspasia Evangelia Evgeneia,Panagiotis Alafogiannis,Nikolaos Dikaios et al.
Aspasia Evangelia Evgeneia et al.
Objective: Establishing control and specification limits for Volumetric Modulated Arc Therapy (VMAT) pre-treatment quality assurance (PTQA) is essential for streamlining PTQA workflows and optimizing plan complexity. This...
Contour assessment tool for quality assurance (CAT-QA) to speed up online adaptive radiotherapy [0.03%]
在线自适应放射治疗的快速质量保证轮廓评估工具(CAT-QA)
Lisa Stefanie Fankhauser,Maria Giulia Toro,Andreas Johan Smolders et al.
Lisa Stefanie Fankhauser et al.
Manual review of daily auto-generated contours remains a challenge for clinical implementation of online adaptive radiotherapy. This study introduces a Contour Assessment Tool for Quality Assurance (CAT-QA), an automatic workflow designed t...