Physical performance of the latest generation of commercial positron scanner
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:7029396
A study is made of some of the basic physical performance characteristics of one of the latest generation of commercial positron tomographs. It consists of eight rings of BGO detectors (512/ring) with removable inter-ring septa and retractable transmission ring sources for each ring. The (transaxial) detector width is 5.6 mm and the lower limit of the spatial resolution in the reconstructed image is about 5 mm. Investigations were carried out into count rate linearity, image count recovery with object size, the effect of attenuation correction on quantitation and scatter fraction.
- Research Organization:
- MRC Cyclotron Unit, Hammersmith Hospital, London (GB)
- OSTI ID:
- 7029396
- Report Number(s):
- CONF-871006-
- Conference Information:
- Journal Name: IEEE Trans. Nucl. Sci.; (United States) Journal Volume: 35:1
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
07 ISOTOPE AND RADIATION SOURCES
43 PARTICLE ACCELERATORS
430100* -- Particle Accelerators-- Design
Development
& Operation
430400 -- Particle Accelerators-- Storage Rings
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
ATTENUATION
BGO DETECTORS
COMMERCIALIZATION
COMPUTERIZED TOMOGRAPHY
CORRECTIONS
DIAGNOSTIC TECHNIQUES
EMISSION COMPUTED TOMOGRAPHY
IMAGE PROCESSING
IMAGE SCANNERS
MEASURING INSTRUMENTS
PERFORMANCE TESTING
POSITRON COMPUTED TOMOGRAPHY
PROCESSING
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SOLID SCINTILLATION DETECTORS
SPATIAL RESOLUTION
STORAGE RINGS
TESTING
TOMOGRAPHY
43 PARTICLE ACCELERATORS
430100* -- Particle Accelerators-- Design
Development
& Operation
430400 -- Particle Accelerators-- Storage Rings
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
ATTENUATION
BGO DETECTORS
COMMERCIALIZATION
COMPUTERIZED TOMOGRAPHY
CORRECTIONS
DIAGNOSTIC TECHNIQUES
EMISSION COMPUTED TOMOGRAPHY
IMAGE PROCESSING
IMAGE SCANNERS
MEASURING INSTRUMENTS
PERFORMANCE TESTING
POSITRON COMPUTED TOMOGRAPHY
PROCESSING
RADIATION DETECTORS
RESOLUTION
SCINTILLATION COUNTERS
SOLID SCINTILLATION DETECTORS
SPATIAL RESOLUTION
STORAGE RINGS
TESTING
TOMOGRAPHY