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Simulation of novel scintillator crystals for brain PET
Ozsahin,I.1,2,3; Uzun Ozsahin,D.2,3; Makarov,P. A.4; Musa,M. S.2; Mok,G. S.P.1,5
2020-05-01
Source PublicationJournal of Instrumentation
Volume15Issue:5
AbstractIn the last decade, different positron emission tomography (PET) crystals have been proposed for brain PET detectors. Brain PET cameras with restricted field of view to a smaller size to cover the brain can both exhibit significantly higher performance and lower the cost when compared to conventional whole-body PET scanners. The existing designs based on scintillation crystals employ the most commonly known materials such as lutetium oxyorthosilicate and bismuth germanate. This is due to their relatively good parameters such as high light yield and density. The main drawback of using scintillation crystals is that they have a modest energy resolution. In this study, a brain PET scanner was designed and simulated using a Geant4 Application for Tomographic Emission (GATE) toolkit. The performances of five crystals, namely strontium hafnate, gadolinium aluminium gallium garnet, gadolinium yttrium gallium aluminium garnet, gadolinium lutetium gallium aluminium garnet, and lutetium oxyorthosilicate for comparison, were evaluated in terms of sensitivity, spatial resolution, and count rate. The performance evaluation results showed that among the suggested scintillators, strontium hafnate can be considered as a promising alternative detector for high performance brain PET systems.
Keywordcomputer-aided diagnosis Medical-image reconstruction methods and algorithms computer-aided software coronary CT angiography (CTA) Gamma camera gas and liquid scintillators) Medicalimage reconstruction methods and algorithms PET PET/CT scintillation and light emission processes (solid Scintillators SPECT
DOI10.1088/1748-0221/15/05/C05024
URLView the original
Language英语
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Document TypeJournal article
CollectionUniversity of Macau
Corresponding AuthorOzsahin,I.
Affiliation1.Biomedical Imaging Laboratory,Department of Electrical and Computer Engineering,Faculty of Science and Technology,University of Macau,Macao
2.Department of Biomedical Engineering,Faculty of Engineering,Near East University,Nicosia, Mersin-10 TRNC,99138,Turkey
3.DESAM Institute,Near East University,Nicosia, Mersin-10 TRNC,99138,Turkey
4.Innovation and Information Technologies Center,Near East University,Nicosia, Mersin-10 TRNC,99138,Turkey
5.Faculty of Health Sciences,University of Macau,Macao
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Ozsahin,I.,Uzun Ozsahin,D.,Makarov,P. A.,et al. Simulation of novel scintillator crystals for brain PET[J]. Journal of Instrumentation,2020,15(5).
APA Ozsahin,I.,Uzun Ozsahin,D.,Makarov,P. A.,Musa,M. S.,&Mok,G. S.P..(2020).Simulation of novel scintillator crystals for brain PET.Journal of Instrumentation,15(5).
MLA Ozsahin,I.,et al."Simulation of novel scintillator crystals for brain PET".Journal of Instrumentation 15.5(2020).
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