Magnetic resonance imaging-based proton dose calculation for pelvic tumors using deep learning [0.03%]
基于磁共振成像的深度学习盆腔肿瘤质子剂量计算
Liheng Tian,Laura Tsu,Paulin Vehling et al.
Liheng Tian et al.
Objective
Magnetic resonance imaging (MRI)-only proton therapy combines high soft tissue contrast with high-precision dose distributions. However, conventional dose calculation is impossible on MRI due to missing electron density inform...
Experimental determination of beam quality correction factors in scanned proton beams using water calorimetry [0.03%]
基于水热学测量的扫描质子束的实验修正因子测定研究
Lies Verpoest,Séverine Rossomme,Kevin Souris et al.
Lies Verpoest et al.
To measure beam quality correction factors (kQ) in single-layer scanned proton beams using water calorimetry for three ionization chamber types commonly used in clinical proton dosimetry.
Approach. Measurements were performed at two pro...
Coronary artery segmentation in non-contrast cardiac CT using anatomy-informed contrastive learning and synthetic data [0.03%]
基于人体解剖信息的对抗学习和合成数据的冠脉分割方法研究
Jinkui Hao,Xiaoyi He,Gorkem Durak et al.
Jinkui Hao et al.
Non-contrast cardiac CT (NCCT) offers a low-dose, cost-effective alternative to coronary CT angiography (CCTA) for large-scale coronary artery disease screening. However, automatic segmentation on NCCT is severely hindered by poor vessel vi...
Sharpening the surgeon's eye: an adaptable dual-mode gamma probe architecture optimized for high-resolution and high-sensitivity radio-guided surgery [0.03%]
优化的双模式伽马探针架构:用于提高核素显像手术分辨率和灵敏度的研究
Muhammed Emin Bedir,Ahmet Yılmaz,Bruce R Thomadsen
Muhammed Emin Bedir
To design and validate a single, reconfigurable gamma probe that overcomes the static compromise between spatial resolution and sensitivity in radio-guided surgery, enabling both rapid lesion detection and precise margin delineation.
Ap...
Robustness of LETd-optimized multi-ion therapy against range and setup uncertainties: evaluation and enhancement with carbon-, oxygen-, and neon-ion beams [0.03%]
LETd最优化的多离子治疗对射程及体位不确定性的鲁棒性评估与碳、氧和氖束的增强方法
Takamitsu Masuda,Hiroaki Ikawa,Makoto Shinoto et al.
Takamitsu Masuda et al.
The LET trilemma-an inherent conflict between target dose homogeneity, range robustness, and high dose-averaged linear energy transfer (LETd)-poses a major challenge in treatment optimization. To ensure accurate beam delivery in multi-ion t...
Polarized Cherenkov light imaging dosimetry: the impact of source to detector distance [0.03%]
切伦科夫偏光影像剂量仪之研究:光源与侦测器距离的影响
Audran Poher,Gérémy Michaud,Louis Archambault et al.
Audran Poher et al.
Objective: With every treatment vault being different, the impact of geometrical parameters such as
the signal source-to-camera distance on dose proportionality must be evaluated. The aim of this study is to
chara...
Dependence of the radical dynamics on the beam temporal profile in FLASH radiotherapy [0.03%]
FLASH放射治疗中自由基动力学对束流瞬态剖面的依赖性研究
Jianhan Sun,Xianghui Kong,Jianfeng Lv et al.
Jianhan Sun et al.
This study aims to investigate the impact of the beam temporal profile on the radical dynamics and inter-track interactions of FLASH radiotherapy, supporting parameter optimization for the equipment development, radio-biological experiments...
A novel reconstruction method based on basis function decomposition for snapshot CAXRDT system [0.03%]
一种基于基函数分解的单帧计算全息X射线断层成像系统图像重建方法
Shengzi Zhao,Le Shen,Donghang Miao et al.
Shengzi Zhao et al.
X-ray diffraction (XRD) is a non-destructive technique capable of obtaining molecular structural information of materials. It has great potential in medical and security applications, such as rapid breast cancer screening, calculi compositi...
Experimental validation of a Fisher information-based predictive framework for dose and time optimization in PET-guided online adaptive proton therapy [0.03%]
基于鱼尔希信息的预测框架在PET引导下适应性质子治疗剂量和时间优化的实验验证
Jun Nakao,Takamitsu Masuda,Tsubasa Yamano et al.
Jun Nakao et al.

The range determination uncertainty (σest) based on positron emission tomography (PET) imaging, which stems from the Poisson statistics of the detected signal, can be theoretically predicted using Fisher information. This study aims t...
Mitigating ocular torsion induced margin loss in ocular proton therapy via collimator rotation [0.03%]
利用准直器旋转缓解眼球质子治疗中的眼旋偏移导致的边缘剂量损失
Harris Hamilton,Daniel Björkman,Antony John Lomax et al.
Harris Hamilton et al.
Purpose.Ocular torsion is a challenge occasionally encountered in ocular proton therapy (OPT) consisting of a rotation of the eye about the visual axis. This can result in the safety margin being compromised and reduced conformity of the do...