Analysis of external dose rate attenuation and its related factors in differentiated thyroid carcinoma patients following I-131 therapy [0.03%]
碘-131治疗后分化型甲状腺癌患者外照射剂量率衰变规律及其影响因素分析
Zimeng Sun,Fengyi Huang,Youjia Zhang et al.
Zimeng Sun et al.
Background: Monitoring the external dose rate (EDR) attenuation serves as a key consideration in supporting discharge decisions for patients with differentiated thyroid cancer (DTC) who have undergone radioiodine therapy....
Segmentation method comparison for baseline [18F]FDG PET-CT in follicular lymphoma patients [0.03%]
氟脱氧葡萄糖正电子发射断层扫描-计算机体层摄影在滤泡性淋巴瘤患者中的分割方法比较
Anouk D M Nijman,Sanne E Wiegers,Gerben J C Zwezerijnen et al.
Anouk D M Nijman et al.
Background: Follicular lymphoma (FL) is the second most common subtype of non-Hodgkin lymphoma. Currently, [18F]FDG PET-CT is used for staging, response evaluation, and remission assessment. While advances in quantitative...
Systematic parameter mapping for Wavelet-Based scatter correction in SPECT: clinical perception versus quantitative metrics [0.03%]
基于小波的SPECT散射校正的系统参数映射:临床感知与定量指标的区别
Shabnam Oloomi,Amirhossein Fathabadi
Shabnam Oloomi
Background: Photon scatter significantly degrades Single Photon Emission Computed Tomography (SPECT) image quality, with scattered photons accounting for 30-40% of detected counts within standard energy windows. While con...
Quantitative in vivo Cherenkov luminescence imaging and dosimetry of 86Y-NM600 [0.03%]
体内量化切连科夫发光成像及86Y-NM600剂量学研究
Campbell D Haasch,Malick Bio Idrissou,Sydney Jupitz et al.
Campbell D Haasch et al.
Purpose: The rapid expansion of radiopharmaceutical therapy (RPT) development demands scalable preclinical dosimetry methods. While PET and SPECT remain the gold standards, their low throughput and high cost limit large-c...
Generative restoration for cardiac PET attenuation correction: a two-stage 3D DDIM framework optimizing fidelity and clinical controllability [0.03%]
一种两阶段三维DDIM框架的心脏PET衰减校正生成恢复方法:兼顾保真度和临床可控性
Junhang Deng,Hao Sun,Haifeng Wang et al.
Junhang Deng et al.
Scanner-integrated reconstruction versus post-processing deep learning for low-count 18F-FDG PET/CT: a comparative clinical evaluation [0.03%]
比较扫描仪内置重建和深度学习后处理对低计数18F-FDG PET/CT图像的临床效果
Qigang Long,Yan Tian,Yun Hu et al.
Qigang Long et al.
Objectives: To compare two deep learning (DL) approaches for low-count PET/CT: deep progressive reconstruction (DPR), a scanner-integrated reconstruction-level method, and a deep-learning image-domain post-processing enha...
Image-space compensation of inter-crystal scattering in PET using a neural network based filter [0.03%]
基于神经网络滤波器的PET图像空间内晶间散射校正方法研究
Dóra Varnyú,Ákos Rábely,László Szirmay-Kalos
Dóra Varnyú
Background: In positron emission tomography (PET), gamma photons arriving at the detector ring may undergo one or more Compton scattering events, potentially reaching a different scintillation crystal than its initial int...
Harmonisation of standard uptake values in long-axial field-of-view PET/CT: an exploratory study [0.03%]
长轴视野PET/CT的标准摄取值的谐调化:一项探索性研究
Yue Li,Zhu Zhang,Hanyu Bai et al.
Yue Li et al.
Purpose: SUV harmonisation was proposed to reduce discrepancies in SUV measurements and ensure SUV comparability across different PET scanners. A SUV harmonisation protocol has been established based on short-axial field-...
Evaluation of precalculated attenuation correction map for preclinical cardiac PET/MR using a 1H/23Na surface coil [0.03%]
利用1H/23Na表面线圈对预临床心脏PET/MRI中预先计算的衰减校正图的评估
Hanan Rida,Mona Guetlin,Mikael Naveau et al.
Hanan Rida et al.
Background: In preclinical PET/MR, attenuation correction (AC) uses a mix of pre-calculated attenuation maps accounting for animal cradles and organ segmentation obtained from whole-body MR using a volume coil. The develo...
Clinical validation of a unified data-driven respiratory motion correction technique in 18F-FDG PET/CT imaging of upper abdominal lesions: a real-world study [0.03%]
一种基于数据驱动的统一呼吸运动校正技术在18F-FDG PET/CT成像中的临床验证:一项真实世界研究
Tingting Han,Ying Wang,Zhiyong Quan et al.
Tingting Han et al.
Purpose: Respiratory motion (RM)-related artifacts significantly impact image quality and diagnostic accuracy in PET/CT imaging. This study aimed to prospectively evaluate the clinical utility of the unified data-driven r...