SMGDiff: step mapping generalized diffusion model for efficient noise reduction in cardiac-gated myocardial perfusion SPECT images [0.03%]
基于步长映射广义扩散模型的心脏门控心肌灌注SPECT图像高效去噪方法
Chunhao Li,Jiangshan Huang,Jiahui Dong et al.
Chunhao Li et al.
Background: Improving the image quality of cardiac gating myocardial perfusion single-photon emission computed tomography (CG MP-SPECT) is crucial for accurate diagnosis. Diffusion model (DM) has recently shown promise in...
[177Lu]Lu-DOTA-TATE tumour and organ time-activity curves: prediction from a single-time-point [68Ga]Ga-DOTA-TATE PET/CT measurement [0.03%]
[177Lu]Lu-DOTA-TATE肿瘤和器官的时间活性曲线：基于单时间点[68Ga]Ga-DOTA-TATE PET/CT测量的预测
Valentina Vasić,Johan Gustafsson,Elham Yousefzadeh-Nowshahr et al.
Valentina Vasić et al.
Aim: Predicting the time-activity curve (TAC) of [177Lu]Lu-DOTA-TATE for organs at risk and neuroendocrine tumours (NETs) is an essential element in the calculation of the absorbed dose (AD) and a critical step for indivi...
Quantitative performance of a 3D CZT and conventional SPECT/CT for Tb-161 imaging [0.03%]
用于Tb-161显像的三维碲化镉汞和常规SPECT/CT的定量性能比较研究
Victor Nuttens,Laetitia Imbert,Astrid Delker et al.
Victor Nuttens et al.
Purpose: This study aimed to assess the imaging performance of a 3D CZT SPECT/CT system for Tb-161 and compare its quantitative accuracy and image quality with those of a conventional [NaI(Tl)]-based SPECT/CT system. ...
Assessing the feasibility of quantitative SPECT imaging for low 212Pb activity concentrations using anthropomorphic phantoms [0.03%]
利用人体模型评估定量SPECT成像在低浓度212Pb活度下的可行性
Johan Høiness,Caroline Stokke,Eivor Hernes et al.
Johan Høiness et al.
Background: Lead-212 (212Pb) is being investigated for alpha therapies, but it can be challenging to image. To investigate the quantitative accuracy of 212Pb SPECT images for patient geometries and low activity concentrat...
Feasibility study of unsupervised anomaly detection using Wasserstein GAN in SPECT image [0.03%]
基于WGAN的SPECT图像异常检测的可行性研究
Ryosuke Kasai,Hideki Otsuka
Ryosuke Kasai
Purpose: In this study, we constructed an anomaly detection system based on the Wasserstein generative model in brain single-photon emission computed tomography (SPECT) images, and conducted a basic study on the feasibili...
A hybrid curve-fitting method for radiation dosimetry evaluation and simultaneous multi-organ biodistribution assessment in total-body dynamic PET/CT: application to a novel PD-L1-targeted tracer [0.03%]
一种辐射剂量学评估和全身动态PET/CT同时多器官分布评价的混合拟合方法及其在新型PD-L1靶向示踪剂中的应用
Yunze Xie,Wenxin Tang,Lichao Zhang et al.
Yunze Xie et al.
Objective: This study explored a hybrid curve-fitting method optimized for radiation dosimetry evaluation in total-body dynamic positron emission tomography/computed tomography (PET/CT) imaging, compared to conventional m...
An European consensus on [123I]Ioflupane acquisition and reconstruction using 3D CZT SPECT/CT [0.03%]
欧洲共识：使用三维晶体闪烁探测器（CZT）SPECT/CT获取和重建[123I]FP-CIT图像
Diego Cecchin,Alessandra Zorz,Renaud Lhommel et al.
Diego Cecchin et al.
Feasibility study of 225Ac-PSMA-CY313 dosimetry in mCRPC patients using SPECT [0.03%]
使用SPECT进行225Ac-PSMA-CY313剂量学的可行性研究（mCRPC患者）
Hao Zhang,Yekuan Shi,Huaijia Tang et al.
Hao Zhang et al.
Purpose: Actinium-225 (²²⁵Ac)-labeled prostate-specific membrane antigen (PSMA) radiopharmaceuticals represent a promising therapeutic approach for metastatic castration-resistant prostate cancer (mCRPC), yet clinical ...
Assessing small-lesion detectability and acquisition time optimisation in silicon-detector-Based PET: a phantom study [0.03%]
基于硅探测器的PET中微小病灶检出性能评估及采集时间优化的体模研究
Nicholas Leybourne,Vineet Prakash,Mohammad Hussein et al.
Nicholas Leybourne et al.
Background: The adoption of silicon photomultiplier (SiPM) detectors over conventional photomultiplier tubes (PMTs) in Positron Emission Tomography (PET) has enhanced overall system performance. In this phantom study, sma...
Morphological versus spherical cellular geometry models: impact on dose-response of CA20948 cells to 177Lu- and 161Tb-labeled DOTA-TATE and DOTA-LM3 [0.03%]
形态学与球形细胞几何模型：对CA20948细胞接受177Lu和161Tb标记DOTA-TATE及DOTA-LM3剂量反应的影响
Kaat Spoormans,Melissa Crabbé,Lara Struelens et al.
Kaat Spoormans et al.
Background: Accurate cellular dosimetry is essential to investigate fundamental mechanisms of targeted radionuclide therapy. The aim of this study was to assess how morphological cellular geometry models influence cellula...