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Optimized sampling for high resolution multi-pinhole brain SPECT with stationary detectors.
Abstract Brain perfusion SPECT can be used in the diagnosis of various neurologic or psychiatric disorders, e.g. stroke, epilepsy, dementia and posttraumatic stress disorder. As traditional SPECT provides limited resolution and sensitivity, we recently proposed a high resolution focusing multi-pinhole clinical SPECT scanner dubbed G-SPECT-I (Beekman et al 2015). G-SPECT-I achieves data completeness in the scan region of interest by making small translations of the patient bed while using projections from all bed positions together for image reconstruction. A strategy to restrict the number of bed translations is d...
Source: Physics in Medicine and Biology - November 25, 2019 Category: Physics Authors: Chen Y, Goorden MC, Vastenhouw B, Beekman FJ Tags: Phys Med Biol Source Type: research