2019
Performance evaluation of the 5‐Ring GE Discovery MI PET/CT system using the national electrical manufacturers association NU 2‐2012 Standard
Pan T, Einstein S, Kappadath S, Grogg K, Gomez C, Alessio A, Hunter W, Fakhri G, Kinahan P, Mawlawi O. Performance evaluation of the 5‐Ring GE Discovery MI PET/CT system using the national electrical manufacturers association NU 2‐2012 Standard. Medical Physics 2019, 46: 3025-3033. PMID: 31069816, PMCID: PMC7251507, DOI: 10.1002/mp.13576.Peer-Reviewed Original ResearchConceptsAxial field-of-viewPeak noise-equivalent count rateNoise-equivalent count rateField of viewCount ratePET performanceNational Electrical Manufacturers Association NU-2Transaxial field of viewPET/CT systemTime resolutionMean energy resolutionConventional photomultiplier tubesCount rate performanceImage quality phantomSpatial resolution measurementsFiltered back projection algorithmImage qualityEnergy resolutionAcquisition timeNU 2Count lossDetector designPhotomultiplier tubeMean energyPET/MR systems
2017
Feasibility study of using fall‐off gradients of early and late PET scans for proton range verification
Cho J, Grogg K, Min C, Zhu X, Paganetti H, Lee H, Fakhri G. Feasibility study of using fall‐off gradients of early and late PET scans for proton range verification. Medical Physics 2017, 44: 1734-1746. PMID: 28273345, PMCID: PMC5462437, DOI: 10.1002/mp.12191.Peer-Reviewed Original ResearchConceptsProton range verificationProton rangeMonte Carlo simulationsRange verificationFall-offIn-room positron emission tomographyCarlo simulationsResidual proton rangeDose fall-offPostirradiation delayPositron emission tomography imagingSOBP beamProton beamPositron emission tomographyPositron emission tomography scanPhantom studyIn-roomFunction of depthPhantomProtonOff-setMonteAcquisition timeBeamPositron emission tomography signal