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Article
Open AccessDevelopment of a new toolbox for mouse PET–CT brain image analysis fully based on CT images and validation in a PD mouse model
Automatic analysis toolboxes are popular in brain image analysis, both in clinical and in preclinical practices. In this regard, we proposed a new toolbox for mouse PET–CT brain image analysis including a new ...
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Article
68Ga-DOTATOC PET/MR imaging and radiomic parameters in predicting histopathological prognostic factors in patients with pancreatic neuroendocrine well-differentiated tumours
To explore the role of fully hybrid 68Ga-DOTATOC PET/MR imaging and radiomic parameters in predicting histopathological prognostic factors in patients with pancreatic neuroendocrine tumours (PanNETs) undergoing s...
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Article
Radiomics in pancreatic neuroendocrine tumors: methodological issues and clinical significance
To present the state-of-art of radiomics in the context of pancreatic neuroendocrine tumors (PanNETs), with a focus on the methodological and technical approaches used, to support the search of guidelines for ...
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Article
Open AccessHarmonisation of PET/CT contrast recovery performance for brain studies
In order to achieve comparability of image quality, harmonisation of PET system performance is imperative. In this study, prototype harmonisation criteria for PET brain studies were developed.
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Article
Clinical PET imaging of tumour hypoxia in lung cancer
The aim of the present systematic review was to provide an overview on the different positron emission tomography (PET) hypoxia radiotracers in the clinical setting of lung cancer.
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Article
Hypoxia 18F-FAZA PET/CT imaging in lung cancer and high-grade glioma: open issues in clinical application
Hypoxia can influence response to chemo and radiotherapy in different tumours, including non-small cell lung cancer (NSCLC) and high-grade gliomas (HGG). PET/CT can non-invasively investigate hypoxia and 18F-FAZA...
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Article
Evaluation of image reconstruction algorithms encompassing Time-Of-Flight and Point Spread Function modelling for quantitative cardiac PET: Phantom studies
To perform kinetic modelling quantification, PET dynamic data must be acquired in short frames, where different critical conditions are met. The accuracy of reconstructed images influences quantification. The ...
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Article
PET quantification: strategies for partial volume correction
Despite the continuous evolution of positron emission tomography (PET) technology, the spatial resolution (SR) of PET images remains poor (4–6 mm) compared with that of computed tomography (CT) and magnetic re...
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Article
Integrated PET/CT as a first-line re-staging modality in patients with suspected recurrence of ovarian cancer
The aims of this study were to compare CT with PET/CT results in patients with suspected ovarian cancer recurrence and to assess the impact of the PET/CT findings on their clinical management.
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Article
Implementation and evaluation of an ordered subsets reconstruction algorithm for transmission PET studies using median root prior and inter-update median filtering
An ordered subsets (OS) reconstruction algorithm based on the median root prior (MRP) and inter-update median filtering was implemented for the reconstruction of low count statistics transmission (TR) scans. ...
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Article
Implementation and evaluation of a 3D one-step late reconstruction algorithm for 3D positron emission tomography brain studies using median root prior
A fully three-dimensional (3D) one-step late (OSL), maximum a posteriori (MAP) reconstruction algorithm based on the median root prior (MRP) was implemented and evaluated for the reconstruction of 3D positron...
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Article
An automatic classification technique for attenuation correction in positron emission tomography
In this paper a clustering technique is proposed for attenuation correction (AC) in positron emission tomography (PET). The method is unsupervised and adaptive with respect to counting statistics in the trans...
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Chapter and Conference Paper
An Object-Oriented Library for 3D PET Reconstruction Using Parallel Computing
We present a object-oriented library of C++ features for 3D PET reconstruction. This library has been designed so that it can be used for many algorithms and scanncr geometries. Its flexibility, portability an...
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Article
Localization of grasp representations in humans by PET: 1. Observation versus execution
Positron emission tomography (PET) was used to localize brain regions that are active during the observation of gras** movements. Normal, right-handed subjects were tested under three conditions. In the firs...
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Article
A procedure for wall detection in [18F]FDG positron emission tomography heart studies
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Article
A procedure for wall detection in [18F]FDG positron emission tomography heart studies
Quantitative positron emission tomography (PET) heart studies require the accurate localization of regions of interest (ROIs) on the myocardial wall (MW) and left ventricle (LV). The procedure is often inaccur...
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Article
Map** motor representations with positron emission tomography
BRAIN activity was mapped in normal subjects during passive obser-vation of the movements of an 'alien' hand and while imagining gras** objects with their own hand. None of the tasks required actual movement...
