2007
Impact of Acquisition Geometry, Image Processing, and Patient Size on Lesion Detection in Whole-Body 18F-FDG PET
Fakhri G, Santos P, Badawi R, Holdsworth C, Van Den Abbeele A, Kijewski M. Impact of Acquisition Geometry, Image Processing, and Patient Size on Lesion Detection in Whole-Body 18F-FDG PET. Journal Of Nuclear Medicine 2007, 48: 1951-1960. PMID: 18006613, DOI: 10.2967/jnumed.108.007369.Peer-Reviewed Original ResearchConceptsAttenuation-weighted OSEMOrdered-subset expectation maximizationNoise equivalent countPhantom sizeBed positionCho SNRPatient sizeFourier rebinningAttenuation mapPET scannerLesion detectionMarginal detectionTransmission scanWhole-body (18)F-FDG PETAttenuation correctionWhole-body 18F-FDG PETHotelling observerScaling 2DSinogramReconstructed volumeDetection SNRPhantomSystematic improvementFBPScattering
2006
Optimizing Acquisition Parameters in TOF PET Scanners
Surti S, El-Fakhri G, Karp J. Optimizing Acquisition Parameters in TOF PET Scanners. 2006, 4: 2354-2359. DOI: 10.1109/nssmic.2006.354386.Peer-Reviewed Original ResearchNoise equivalent countCho SNRNon-TOF scannerScan timePET image qualityPatient dosageTime-of-flightSingles ratesOptimal acquisition parametersPET scannerTOF scannerDiameter cylinderIncreasing scan timeImage qualityReduce scan timeMeasure of signal-to-noise ratioSignal-to-noise ratioSpatial resolutionSNRAcquisition parametersLesion detectionLesionsTOFCylinderIncreased activity