2015
Scatter and crosstalk corrections for 99mTc/123I dual‐radionuclide imaging using a CZT SPECT system with pinhole collimators
Fan P, Hutton BF, Holstensson M, Ljungberg M, Pretorius P, Prasad R, Ma T, Liu Y, Wang S, Thorn SL, Stacy MR, Sinusas AJ, Liu C. Scatter and crosstalk corrections for 99mTc/123I dual‐radionuclide imaging using a CZT SPECT system with pinhole collimators. Medical Physics 2015, 42: 6895-6911. PMID: 26632046, DOI: 10.1118/1.4934830.Peer-Reviewed Original ResearchConceptsDual-radionuclide imagingCrosstalk correction methodTEW methodLine source experimentDefect contrastSource experimentsMonte Carlo simulationsIncomplete charge collectionCadmium zinc telluride detectorsLow-energy tailImaging systemCarlo simulationsPinhole collimatorCardiac SPECT systemEnergy tailDetector effectsEnergy spectrumPoint source measurementsSPECT systemCZT detectorsTriple energy window (TEW) methodScatter modelDedicated cardiac SPECT systemsCorrection methodCrosstalk correction
2013
3D Molecular Breast Imaging Using a High-Resolution Dedicated Cardiac SPECT Camera
Liu H, Chan C, Grobshtein Y, Ma T, Liu Y, Wang S, Kench P, Sinusas A, Liu C. 3D Molecular Breast Imaging Using a High-Resolution Dedicated Cardiac SPECT Camera. 2013, 1-4. DOI: 10.1109/nssmic.2013.6829097.Peer-Reviewed Original ResearchMolecular breast imagingChest wallRight breastBreast imagingLeft breastCentral breastSPECT patientsAdjacent organsSupine positionLesion sizeBreast tumorsLesionsBreastLesion diameterDiameter lesionsTumor contrastTumorsDedicated cardiac SPECT cameraDifferent lesion sizesLesion contrastImagingOrgansSPECT cameraContrast levelsCardiac SPECT system
2011
Respiratory Gating for A Stationary Dedicated Cardiac SPECT System
Liu C, Chan C, Harris M, Le M, Biondi J, Volokh L, Sinusas A. Respiratory Gating for A Stationary Dedicated Cardiac SPECT System. 2011, 2898-2901. DOI: 10.1109/nssmic.2011.6152514.Peer-Reviewed Original ResearchCardiac SPECT systemDedicated cardiac SPECT systemsRespiratory motion correctionTemporal dataSlow gantry rotationData acquisitionCompressive sensorSPECT systemConventional SPECT systemImage qualityMotion correctionRespiratory gating techniquePhysical phantomRespiratory motionContrast recoveryRespiratory gatingUngated imagesImagesRespiratory triggersSystemGating techniqueMyocardial perfusion SPECTUpper abdomenLower chest