The Impact of Additional Sampling on Hot-Spot Contrast for DE-SPECT
Metzler S, Zannoni E, Sankar P, Liu C, Sinusas A, Meng L. The Impact of Additional Sampling on Hot-Spot Contrast for DE-SPECT. 2022, 00: 1-4. DOI: 10.1109/nss/mic44845.2022.10399030.Peer-Reviewed Original ResearchHot spot phantomCollimator configurationCZT moduleAxial shiftDetector positionSensitivity dropsSample positionHot spotsNominal positionPhantomPeripheral arterial diseaseOptimal contrastCollimatorActuator switchingCZTArtery diseaseNoise levelDetectorConfigurationSmall axial shiftsShiftEvaluate contrastOptimal tradeoffHigh-Resolution and High-Sensitivity Spread Field Imaging to Differentiate Sub-endocardium and Sub-epicardium in Cardiac SPECT — A Preliminary Phantom Study
Mu Z, Palyo R, Goyal D, Sandoval V, Mu Z, Tao Z, Sinusas A, Miller E, Liu Y. High-Resolution and High-Sensitivity Spread Field Imaging to Differentiate Sub-endocardium and Sub-epicardium in Cardiac SPECT — A Preliminary Phantom Study. 2022, 00: 1-4. DOI: 10.1109/nss/mic44845.2022.10399016.Peer-Reviewed Original ResearchTc-99m solutionHole imagesCardiac SPECTCardiac phantomMyocardial perfusion defectsField imagesParallel hole collimatorResolution of SPECTSub-endocardiumSubset expectation maximizationCZT detectorsSub-epicardiumHole collimatorPerfusion defectsHigh-resolutionOSEM algorithmCollimatorPhantom studyScanner configurationReconstruction technologyPhantomSPECT slicesTransmural perfusion gradientExpectation maximizationOSEM