2021
Impact of reconstruction parameters on lesion detection and localization in joint ictal/inter-ictal SPECT reconstruction
Onwanna J, Chantadisai M, Tepmongkol S, Fahey F, Ouyang J, Rakvongthai Y. Impact of reconstruction parameters on lesion detection and localization in joint ictal/inter-ictal SPECT reconstruction. Annals Of Nuclear Medicine 2021, 36: 24-32. PMID: 34559366, DOI: 10.1007/s12149-021-01680-x.Peer-Reviewed Original ResearchConceptsLocalization receiver operating characteristicsDetection performanceSubtraction methodJoint methodOptimization iterationsLesion detection performanceSPECT reconstructionEpileptic focus localizationLocalization receiver operating characteristic curvesDifferential imagingInter-ictalLesion detectionIterationPhantom dataConventional subtraction methodPerformanceImagesPatient datasetsReconstruction parametersImpact of reconstruction parametersFocus localizationSubtractionDetectionSPECT dataJoint reconstruction
2018
Joint reconstruction of rest/stress myocardial perfusion SPECT
Lai X, Petibon Y, Fakhri G, Ouyang J. Joint reconstruction of rest/stress myocardial perfusion SPECT. Physics In Medicine And Biology 2018, 63: 135019. PMID: 29897044, PMCID: PMC6245543, DOI: 10.1088/1361-6560/aacc2f.Peer-Reviewed Original ResearchConceptsMyocardial perfusion imagingSingle photon emission computed tomographyReversible defectsSignal-to-noise ratioRest/stress SPECT myocardial perfusion imagingSPECT myocardial perfusion imagingConventional subtraction methodDefect detectionJoint methodPhoton emission computed tomographySubtraction methodReverse mappingClinical dose levelsEmission computed tomographyImprove defect detectionLow noiseNon-invasive assessmentClinical dosePerfusion defectsReduced doseImprove radiologists' performanceReconstruction frameworkRest imagesPerfusion imagingDose levels
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