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Performance Study of the PC-384 Positron Camera System for Emission Tomography of the Brain
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1984
Year
EngineeringPet-mriAdvanced ImagingPositron Emission TomographyBismuth GermanatePerformance StudyEmission TomographyPhoton-counting Computed TomographyInstrumentationMolecular ImagingNuclear MedicineRadiologyHealth SciencesRadiation DetectionMedical ImagingScintillatorNeuroimagingBrain ImagingNecessary RayQuantitative Positron EmissionBiomedical ImagingNeuroscienceTomography
A positron camera system PC-384 has been designed and built for quantitative positron emission computed tomography of the brain. This head scanner consists of 384 bismuth germanate oxide scintillation detectors with a crystal packing fraction of 80%. The entire detector assembly rotates around a small circle (wobble) to achieve the necessary ray sampling. Seven simultaneous images are produced with four detector rings. Performances of the system are discussed and clarified based on experimental data.