Multi-modal segment anything model (mmSAM) for tumor segmentation in multi-tracer oncologic PET/CT [0.03%]
多模态段任何模型(mmSAM)在多示踪剂肿瘤PET/CT分割中的应用
Zhijie Fang,Yibin Liu,Tao Tan et al.
Zhijie Fang et al.
Purpose: Lesion segmentation is important in targeted radionuclide therapy dosimetry. In this study, we proposed a novel 2D multi-modal Segment Anything Model (mmSAM) for lesion segmentation in whole-body multi-tracer PET...
A novel dynamic cardiac phantom for comparing blood pool and myocardial perfusion tracers: initial evaluation with CZT-ERNA and PET-MPI [0.03%]
一种新型动态心脏体模:用于比较血池和心肌灌注显影剂的初步评估:CZT-ERNA与PET-MPI
Marc Østergaard Nielsen,Rebekka Wozniak,Theis Cornelius Hansen et al.
Marc Østergaard Nielsen et al.
Background: Nuclear imaging modalities can quantify cardiac volumes and left ventricular ejection fraction (LVEF), but systematic differences between techniques complicate direct comparison. Phantom-based evaluations comp...
Assessing the suitability of automated registration and segmentation for dosimetry calculations in SIRT treatment planning [0.03%]
评估自动化配准和分割在SIRT治疗计划剂量学计算中的适用性
Félix Quinton,Romain Popoff,Fabrice Meriaudeau et al.
Félix Quinton et al.
Background: Selective internal radiation therapy (SIRT) increasingly relies on accurate magnetic resonance imaging (MRI) to computed tomography (CT) registration and accurate liver and tumour segmentation, for effective p...
Approximate CT-free patient specific attenuation correction method for cardiac-dedicated pinhole CZT system: a feasibility phantom study [0.03%]
无CT心脏专用pinhole CZT系统个性化衰减校正方法的可行性研究
Michel Hesse,Florian Dupont,Véronique Roelants
Michel Hesse
Background: Multi-pinhole cardiac-dedicated CZT gamma cameras improve clinical workflow by reducing acquisition duration and/or injected activities. As most of these systems lack integrated CT scanner, attenuation artifac...
Quantifying capillary transit time distribution: a novel tracer kinetic model accounting for leakiness, back diffusion, and perfusion in MRI and PET imaging-the outflow model [0.03%]
定量毛细血管转运时间分布:一种新颖的示踪剂动力学模型,可解释MRI和PET成像中的漏出、反向扩散和灌注-流出模型
Henrik B W Larsson,Stig P Cramer,Edis D Tireli et al.
Henrik B W Larsson et al.
Background: Brain blood perfusion is typically characterized through regional cerebral blood flow metrics. However, recent research demonstrates that the distribution of blood transit times through the capillary network a...
Multiple vertebrae improves precision in image-based bone marrow absorbed dose estimation in [177Lu]Lu-DOTATATE treatment [0.03%]
基于影像的骨髓吸收剂量估计在镥-177 DOTATATE治疗中的精度改进:多椎体分析
Katja Smits,Frida Westerbergh,Jens Hemmingsson et al.
Katja Smits et al.
Background: The bone marrow is a critical dose limiting organ in patients receiving radionuclide therapy, but image-based bone marrow dosimetry is not routinely performed in clinical practice. High noise levels and the li...
Multicenter comparison of radionuclide calibrators and SPECT/CT protocols for quantitative 177Lu imaging in clinical practice [0.03%]
临床实践中用于定量177 Lu成像的放射性核素校准器和SPECT / CT协议的多中心比较研究
Wies Claeys,Kristof Baete,Laurence Beels et al.
Wies Claeys et al.
Purpose: Following the clinical success of [Formula: see text]-based therapies for neuroendocrine tumors and prostate cancer, accurate quantification of [Formula: see text] using radionuclide calibrators (RNCs) and SPECT/...
Advancements in DOI-capable TOF-PET modules using a multi-channel high-frequency readout [0.03%]
具有多通道高频读出的DOI功能的TOF-PET模块的改进
Giulia Terragni,Elena Tribbia,Joshua W Cates et al.
Giulia Terragni et al.
Purpose: The achievement of excellent coincidence time resolution has become an essential objective in time-of-flight positron emission tomography (TOF-PET) in order to improve the signal-to-noise ratio and the quality of...
Uncertainty analysis of single-time-point organ dosimetry compared with the multi-time-point method in radioimmunotherapy [0.03%]
单时间点器官剂量学不确定性分析与放射免疫治疗中的多时间点方法相比如何:不确定性分析
Amit Nautiyal,Gemma Lewis,Jonathan I Gear et al.
Amit Nautiyal et al.
Background: A position paper released by the European Association of Nuclear Medicine emphasised the need for multidisciplinary engagement to establish dosimetry-based personalised treatment in Radionuclide therapy (RNT)....
The impact of motion correction on quantitatively measured perfusion indices using cardiac-dedicated dynamic CZT-SPECT myocardial perfusion imaging [0.03%]
心肌灌注显像定量测量的血流动力学指标中运动校正的影响
Ajay Kumar Chaudhary,Fukai Zhao,Zekun Pang et al.
Ajay Kumar Chaudhary et al.