Results
author = "Bol, Anne"
A Measurement of the Neutron-proton Differential Cross-section At Extreme Forward and Backward Angles Between 45 and 75 Mev
Description :
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
Absolute CBF and CBV measurements by MRI bolus tracking before and after acetazolamide challenge: repeatabilily and comparison with PET in humans.
Description :
Bolus tracking magnetic resonance imaging (MRI) is a powerful technique for assessing cerebral perfusion, but its capability to measure absolute cerebral blood flow (CBF) and volume (CBV) values is still debated. To validate the MRI technique, absolute CBF and CBV values in healthy humans obtained b...
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
A gradient-based method for segmenting FDG-PET images: methodology and validation.
Description :
PURPOSE: A new gradient-based method for segmenting FDG-PET images is described and validated. METHODS: The proposed method relies on the watershed transform and hierarchical cluster analysis. To allow a better estimation of the gradient intensity, iteratively reconstructed images were first denoise...
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
Rôle potentiel de la TEP-FDG pour la définition du volume tumoral macroscopique (GTV) des cancers des voies aérodigestives supérieures et du poumon.
Description :
The recent progresses performed in imaging, computational and technological fields bring new opportunities to achieve high precision radiation dose delivery. However, IMRT requires a particular attention at the target delineation step to avoid inadequate dosage to TVs/OARs. In this context, the biol...
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
French
A Low-cost Plastic Detector for Energetic Neutrons
Description :
A neutron detector made by stacking units of 1 cm thick plexiglas and 1 mm thick plastic scintillator has been built, tested with 63 MeV and 40 MeV neutrons and compared with a plastic scintillator of the same total volume.
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
A Novel Design for a Fast Intense Neutron Beam
Description :
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
Sensitivity of BGO and NaI(Tl) scintillators to fast neutrons
Description :
The efficiency of 4 inch thick bismuth germanate and sodium iodide scintillators was measured for 75 MeV neutrons. The activation of the same detectors to fast neutrons is also reported.
,
Anglais
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
Impact of time-of-flight on quantitative accuracy and volume determination in non-uniform phantoms
Author(s) :
Clementel, Enrico
,
van Elmbt, Larry
,
Bol, Anne
,
Guerchaft, Michel
,
Staelens, Steven
,
Vandenberghe, Stefaan
Description :
Objectives: PET Contrast Recovery depends on lesion’s background. Identical lesions in different backgrounds can recover differently due to different convergence and spill in/out effects. In this work we investigate the effects of Time-of-flight PET for identical lesions in different backgrounds in ...
Repository :
Ghent University Repository
Language(s) :
English
Immobilization device for in vivo and in vitro multimodality image registration of rodent tumors.
Author(s) :
Christian, Nicolas
,
Lee, John
,
Bol, Anne
,
De Bast, Marc
,
Gallez, Bernard
,
Grégoire, Vincent
Description :
Biological image-guided radiotherapy requires that PET accurately identifies biologically relevant sub-volumes within a tumor. In this framework, an immobilization device was developed to study multi-imaging (CT, micro-MRI, micro-PET, and autoradiography) registration of mouse tumors. The registrati...
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English
The limitation of PET imaging for biological adaptive-IMRT assessed in animal models.
Author(s) :
Christian, Nicolas
,
Lee, John
,
Bol, Anne
,
De Bast, Marc
,
Jordan, Bénédicte
,
Grégoire, Vincent
Description :
PURPOSE: Biological image-guided radiotherapy aims at specifically irradiating biologically relevant sub-volumes within the tumor, as determined for instance by PET imaging. This approach requires that PET imaging be sensitive and specific enough to image various biological pathways of interest, e.g...
Repository :
DIAL - Dépôt Institutionnel de l'Académie Louvain
Language(s) :
English