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神经系统副肿瘤综合征（paraneoplastic neurologics yndrome，PNS ）是发生于某些恶性肿瘤患者体内神经系统表现异常的一类少见疾病，其临床表现多样，且神经系统症状的出现多早于恶性肿瘤的诊断。虽然抗神经元抗体对诊断PNS 有提示作用，但是存在较多假阳性和假阴性情况。因此，PNS 的诊断往往是临床工作的难点。PET/CT是一种解剖和功能融合的显像技术，通过一次扫描即可评价...
Reciprocal Benefits of Mass-Univariate and Multivariate Modeling in Brain Mapping: Applications to Event-Related Functional MRI, H215O-, and FDG-PET
MRI H215O FDG-PET
2009/9/8
In brain mapping studies of sensory, cognitive, and motor operations, specific waveforms of dynamic neural activity are predicted based on theoretical models of human information processing. For examp...
Clustering-Based Linear Least Square Fitting Method for Generation of Parametric Images in Dynamic FDG PET Studies
Parametric Images Dynamic FDG PET Studies
2009/9/7
Parametric images generated from dynamic positron emission tomography (PET) studies are useful for presenting functional/biological information in the 3-dimensional space, but usually suffer from thei...
Analysis and interpretation of dynamic FDG PET oncological studies using data reduction techniques
dynamic FDG PET oncological studies data reduction techniques
2010/2/25
We have applied principal component analysis to provide high-contrast parametric image sets of lower dimensions than the original data set separating structures based on their kinetic characteristics....