GUEDJ , Eric

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This project aimed to investigate the metabolic basis for resilience to neurodegeneration (cognitive reserve) in highly educated patients with prodromal Alzheimer disease (AD). METHODS: Sixty-four patients with amnestic mild cognitive impairment who later converted to AD dementia during follow-up, and 90 controls, underwent brain 18F-FDG PET....

PET plays an increasingly important role in the management of brain tumors. This review outlines currently available PET radiotracers and their respective indications. It specifically focuses on 18F-FDG, amino acid and somatostatin receptor radiotracers, for imaging gliomas, meningiomas, primary central nervous system lymphomas as well as brain...

The aim of this study was to investigate the functional brain substrate ă of quality of life (QoL) in patients with schizophrenia. Participants ă comprised 130 right-handed patients with schizophrenia who underwent ă whole-brain single photon emission computed tomography (SPECT) with ă Tc-99m-labeled ethylcysteinate dimer (Tc-99m-ECD) for...

Background: Several automatic tools have been implemented for semi-quantitative assessment of brain [ 18 ]F-FDG-PET. Objective: We aimed to head-to-head compare the diagnostic performance among three statistical parametric mapping (SPM)-based approaches, another voxel-based tool (i.e., PALZ), and a volumetric region of interest (VROI-SVM)-based...

18F-FDOPA PET has demonstrated its additional value during the clinical course of glioma, at initial diagnosis, for treatment planning or follow-up. The aim of the current review was to summarize current applications of 18F-FDOPA PET in gliomas and constitute, as a perspective, a first step in harmonizing clinical practices in French centers....

The relationship between posttraumatic stress disorder (PTSD) and focal epilepsy is poorly understood. It has been hypothesized that there is a complex and reciprocal potential reinforcement of the symptoms of each condition. In this study, we investigated whether there are PTSD-specific brain changes in temporal lobe epilepsy (TLE). Brain...

Purpose: This study aims to evaluate the performance of 18 F-FDG PET for distinguishing the epileptogenic zone (EZ) from propagation and non-involved zones at brain area level, as defined using stereo-EEG, in patients with pharmacoresistant epilepsy due to malformations of cortical development (MCD). Additionally, we seek to determine the...

The impact of age is crucial and must be taken into account when applying a voxel-based quantitative analysis on brain images from [(18)F]-fluorodeoxyglucose Positron Emission Tomography (FDG-PET). This study aimed to determine whether age-related changes in brain FDG-PET images are more accurately assessed when the conventional statistical...