2019
Atlas-Based Multiorgan Segmentation for Dynamic Abdominal PET
Ren S, Laub P, Lu Y, Naganawa M, Carson R. Atlas-Based Multiorgan Segmentation for Dynamic Abdominal PET. IEEE Transactions On Radiation And Plasma Medical Sciences 2019, 4: 50-62. DOI: 10.1109/trpms.2019.2926889.Peer-Reviewed Original ResearchMultiorgan segmentationSegmentation methodDynamic image seriesDynamic imagesFrames of dataHyperparameter optimizationAutomatic frameworkSegmentation frameworkDynamic PET imagesSegmentation resultsGraph cutsFinal segmentationHyperparameter combinationsTemporal informationAtlas informationPET imagesTissue time-activity curvesManual segmentationSegmentationImage seriesGaussian distributionPrincipal component analysisBetter performanceImagesDifferent activity distributions
2008
Shortened protocol in practical [11C]SA4503-PET studies for sigma1 receptor quantification
Sakata M, Kimura Y, Naganawa M, Ishikawa M, Oda K, Ishii K, Hashimoto K, Chihara K, Ishiwata K. Shortened protocol in practical [11C]SA4503-PET studies for sigma1 receptor quantification. Annals Of Nuclear Medicine 2008, 22: 143-146. PMID: 18311540, DOI: 10.1007/s12149-007-0088-x.Peer-Reviewed Original ResearchMeSH KeywordsAdultBrain ChemistryBrain MappingCarbon RadioisotopesClinical ProtocolsFluvoxamineHumansImage Interpretation, Computer-AssistedImage Processing, Computer-AssistedIsotope LabelingMaleParoxetinePiperazinesPositron-Emission TomographyRadioligand AssayRadiopharmaceuticalsReceptors, sigmaSelective Serotonin Reuptake InhibitorsTissue DistributionConceptsTotal distribution volumePET scansSelective serotonin reuptake inhibitorsSerotonin reuptake inhibitorsReuptake inhibitorsHealthy subjectsLogan plot analysisReceptor measurementsTomography diagnosisTime-activity curvesBrain disordersDistribution volumePET studiesReceptor quantificationTissue time-activity curvesScansCompartmental analysisFull-length protocolsPositron Emission Tomography DiagnosisPatientsPlot analysisRegion of interestProtocolDiagnosisAdministration