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Title

A cone-shaped phantom for assessment of small animal PET scatter fraction and count rate performance

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Published in Molecular Imaging and Biology. 2012, vol. 14, no. 5, p. 561-71
Abstract Positron emission tomography (PET) image quality deteriorates as the object size increases owing to increased detection of scattered and random events. The characterization of the scatter component in small animal PET imaging has received little attention owing to the small scatter fraction (SF) when imaging rodents. The purpose of this study is first to design and fabricate a cone-shaped phantom which can be used for measurement of object size-dependent SF and noise equivalent count rates (NECR), and second, to assess these parameters for two small animal PET scanners as function of radial offset, object size and lower energy threshold (LET).
Keywords AnimalsComputer SimulationMicePhantoms, ImagingPositron-Emission Tomography/instrumentation/methodsRatsScattering, Radiation
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PMID: 22311541
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Article (Published version) (700 Kb) - public document Free access
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Research group Imagerie Médicale (TEP et TEMP) (542)
Project FNS: 31003A-135576
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PRASAD, Rameshwar, ZAIDI, Habib. A cone-shaped phantom for assessment of small animal PET scatter fraction and count rate performance. In: Molecular Imaging and Biology, 2012, vol. 14, n° 5, p. 561-71. https://archive-ouverte.unige.ch/unige:30799

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Deposited on : 2013-10-29

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