2017
Joint reconstruction of Ictal/inter‐ictal SPECT data for improved epileptic foci localization
Rakvongthai Y, Fahey F, Borvorntanajanya K, Tepmongkol S, Vutrapongwatana U, Zukotynski K, Fakhri G, Ouyang J. Joint reconstruction of Ictal/inter‐ictal SPECT data for improved epileptic foci localization. Medical Physics 2017, 44: 1437-1444. PMID: 28211105, PMCID: PMC5462456, DOI: 10.1002/mp.12167.Peer-Reviewed Original ResearchConceptsSPECT reconstruction methodDifferential imagingLow-noise datasetConventional subtraction methodLesion contrastSPECT projection dataEpileptic focus localizationHoffman phantomPatient studiesReconstruction methodJoint methodSPECT projectionsHead phantomPhantom locationsSubtraction methodPhantom studyNuclear medicine physiciansAttenuation backgroundPhantomConventional subtraction approachFocus localizationConventional subtractionReceiver operating characteristicLow noiseProjection data
2000
Relative lesion detectability in 3D vs. 2D dedicated multi-ring PET
Moore S, Fakhri G, Badawi R, Van den Abbeele A, Zimmerman R. Relative lesion detectability in 3D vs. 2D dedicated multi-ring PET. 2011 IEEE Nuclear Science Symposium Conference Record 2000, 3: 17/18-17/22 vol.3. DOI: 10.1109/nssmic.2000.949192.Peer-Reviewed Original ResearchField of viewNon-prewhiteningAxial field-of-viewMaximum ring differenceAnthropomorphic torso phantomClinically realistic phantomDetection of spheresNPW-SNRTorso phantomGe-68Head phantomDetection signal-to-noise ratioRing differenceRealistic phantomsPhantomBed positionF-18Signal-to-noise ratioActivity concentrationsTwo-dimensionalContrast levelsPET imagingCompare two-dimensionalModeFORE+FBP