Quantitative whole-body dynamic planar scintigraphy in mice with 99mTc and 161Tb [0.03%]
用99mTc和161Tb进行小鼠全身动态平面闪烁扫描的定量分析
John D Wright,Isaline Renard,Isis A Middleton et al.
John D Wright et al.
Background: Planar scintigraphy remains commonplace in clinical practice and has been used for quantification and dosimetry estimation over an expanding range of gamma-emitting radionuclides in recent years. Applications ...
Assessing PET performance, image quality, and attenuation correction in the presence of RF coils within a 9.4 T MRI for preclinical simultaneous imaging [0.03%]
射频线圈在9.4特斯拉磁共振成像下对正电子发射断层扫描性能、图像质量和衰减校正在临床前同步成像中的影响评估
Claudia Kuntner,Joachim Friske,Andrea Stessl et al.
Claudia Kuntner et al.
Background: This study evaluates the performance of a positron emission tomography (PET) insert combined with a 9.4 Tesla magnetic resonance (MR) imaging system using three different radiofrequency (RF) coils. The impact ...
Impact of patient size on image quality of OSEM3D and BSREM reconstructions in [68Ga]Ga-DOTA-TATE PET/MR [0.03%]
患者体型对[68Ga]Ga-DOTA-TATE PET/MR OSEM3D和BSREM重建图像质量的影响
Christina P W Cox,Tessa Brabander,Frederik A Verburg et al.
Christina P W Cox et al.
Background: Previous [68Ga]Ga-DOTA-TATE PET/CT studies using ordered subset expectation maximization (OSEM3D) based reconstruction algorithms, demonstrated non-linear relations between body weight and image quality. Block...
Personalized three-dimensional dose calculation method based on multi-modal images in dosimetry assessment of prostate cancer with skull metastasis: a Monte Carlo simulation study [0.03%]
基于多模态图像的颅脑转移前列腺癌剂量评估的个性化三维剂量计算方法：一种蒙特卡洛模拟研究
Feng Tian,Huan Liu,Yingying Gu et al.
Feng Tian et al.
Background: The nuclear medicine treatment based on 177Lu-PSMA-617 has achieved excellent therapeutic effects on Prostate cancer (PCa), but there is a lack of three-dimensional dosimetry analysis of organs at risk (OARs) ...
Andrew P Robinson,Kelley M Ferreira,Warda Heetun et al.
Andrew P Robinson et al.
Background: Single Photon Emission Computed Tomography (SPECT) is increasingly used as a quantitative modality, especially in the context of Molecular Radiotherapy, where the measurements are used as input to absorbed dos...
Dennis B M Dieckens,Pepijn van Horssen,Koen A J van Gils et al.
Dennis B M Dieckens et al.
Purpose: To evaluate variations in acquisition and processing protocols for four of the most common PET/CT examinations in Dutch hospitals: FDG-WB, [18F]F-PSMA, [68Ga]Ga-PSMA, and FDG-Brain. ...
IDAC-Dose 2.2, an internal dosimetry software for diagnostic nuclear medicine based on the latest ICRP adult and paediatric reference computational phantoms [0.03%]
基于最新ICRP成人和儿科参考计算体模的诊断核医学内部剂量软件IDAC-Dose 2.2
Martin Andersson,Keith Eckerman,Sören Mattsson
Martin Andersson
Background: For patients investigated with radiopharmaceuticals, it is important to be able to perform valid calculations of the absorbed dose in organs and tissues. An internal dosimetry computer program, IDAC-Dose2.1, h...
Brain tau PET-based identification and characterization of subpopulations in patients with Alzheimer's disease using deep learning-derived saliency maps [0.03%]
基于深度学习和脑tau-PET的阿尔茨海默病患者的亚群识别及表征研究
Yanxiao Li,Xiuying Wang,Qi Ge et al.
Yanxiao Li et al.
Background: Alzheimer's disease (AD) is a heterogeneous neurodegenerative disorder in which tau neurofibrillary tangles are a pathological hallmark closely associated with cognitive dysfunction and neurodegeneration. In t...
Interobserver ground-truth variability limits performance of automated glioblastoma segmentation on [18F]FET PET [0.03%]
观察者间的Ground-Truth差异限制了[18F]FET-PET胶质母细胞瘤自动化分割性能
Selene De Sutter,Ine Dirks,Laurens Raes et al.
Selene De Sutter et al.
Background: Positron emission tomography (PET) with a [18F]fluoroethyl)-L-tyrosine ([18F]FET) tracer is of growing importance in the management of glioblastoma for the estimation of tumor extent and extraction of diagnost...
3D printing of radioactive wall-less PET phantoms improves threshold-based target delineation and quantification [0.03%]
用于基于阈值的目标勾画和定量的无壁PET仿体的3D打印技术可提高放射性示踪剂摄取阈值水平的准确性
Adrian Jun Zounek,Nico Maximilian Joerg,Felix Lindheimer et al.
Adrian Jun Zounek et al.
Background: Validation of threshold-based PET segmentation and PET quantification is typically performed with fillable phantoms. Theoretical considerations show that the inactive walls of the phantom cavities introduce a ...