2025
In vivo 3D myocardial membrane potential mapping in humans using PET/MRI
Bijari F, Han P, Marin T, Lee W, Chemli Y, Gertsenshteyn I, Mounime I, Djebra Y, Chi D, Normandin M, Ma C, Fakhri G. In vivo 3D myocardial membrane potential mapping in humans using PET/MRI. EJNMMI Research 2025, 15: 93. PMID: 40715686, PMCID: PMC12297085, DOI: 10.1186/s13550-025-01287-7.Peer-Reviewed Original ResearchMembrane potentialExtracellular volume fraction measurementsExtracellular volume fraction mappingBolus-plus-infusion protocolT1 mapping sequencesVolume of distributionWritten Informed ConsentCardiac PET/MR imagingRigid image registrationHumans in vivoContrast agent injectionPET motion correctionFree breathingTracer volume of distributionImage registrationBolus injectionCardiac MRMitochondrial membrane potentialCardiac diseaseHealthy subjectsPET/MR imagingImaging studiesTreatment monitoringAgent injectionPET tracersFast 3D cardiac extracellular volume mapping and cine imaging via continuous free-breathing acquisition with mid-scan contrast agent injection
Lee W, Han P, Marin T, Mounime I, Bijari F, Normandin M, Fakhri G, Ma C. Fast 3D cardiac extracellular volume mapping and cine imaging via continuous free-breathing acquisition with mid-scan contrast agent injection. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2025 DOI: 10.58530/2025/0789.Peer-Reviewed Original ResearchContrast agent injectionExtracellular volume mappingCine imagesContrast agent administrationExtracellular volumeFree-breathing scanFree-breathing acquisitionECV mapsAgent injectionAgent administrationTotal scan timeCardiac imaging methodsImage reconstructionScan timeCardiac motionSpace alignmentCineTime efficiency
2024
Free‐breathing 3D cardiac extracellular volume (ECV) mapping using a linear tangent space alignment (LTSA) model
Lee W, Han P, Marin T, Mounime I, Eslahi S, Djebra Y, Chi D, Bijari F, Normandin M, Fakhri G, Ma C. Free‐breathing 3D cardiac extracellular volume (ECV) mapping using a linear tangent space alignment (LTSA) model. Magnetic Resonance In Medicine 2024, 93: 536-549. PMID: 39402014, PMCID: PMC11606777, DOI: 10.1002/mrm.30284.Peer-Reviewed Original ResearchExtracellular volume mappingContrast agent injectionExtracellular volumeGradient echo readoutECV mapsAgent injectionWhole heartEcho readoutExtracellular volume valuesVoxel-by-voxelInversion recovery sequenceSpatial resolutionScan timeImaging timeIn vivo studiesHealthy volunteersModel-based methodsRecovery sequenceInjectionReadoutFree-breathing 3D cardiac extracellular volume (ECV) mapping using a linear tangent space alignment (LTSA) model
Lee W, Han P, Marin T, Mounime I, Eslahi S, Djebra Y, Chi D, Fakhri G, Ma C. Free-breathing 3D cardiac extracellular volume (ECV) mapping using a linear tangent space alignment (LTSA) model. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2024 DOI: 10.58530/2024/1493.Peer-Reviewed Original Research
2020
Manual segmentation versus semi-automated segmentation for quantifying vestibular schwannoma volume on MRI
McGrath H, Li P, Dorent R, Bradford R, Saeed S, Bisdas S, Ourselin S, Shapey J, Vercauteren T. Manual segmentation versus semi-automated segmentation for quantifying vestibular schwannoma volume on MRI. International Journal Of Computer Assisted Radiology And Surgery 2020, 15: 1445-1455. PMID: 32676869, PMCID: PMC7419453, DOI: 10.1007/s11548-020-02222-y.Peer-Reviewed Original ResearchConceptsManual segmentationHigh quality softwareTime-intensive taskGeneric softwareIntensive tasksSegmentation accuracySegmentation timeSegmentation approachVestibular schwannomaSegmentationSegmentation effortsApplicable solutionSoftwareReference approachCurrent clinical practiceVestibular schwannoma volumeAccuracyContrast agent injectionVolumetric measurementsEqual performanceTumor sizeVS sizeClinical practiceMore frustrationAgent injection
2017
Clinical quantitative susceptibility mapping (QSM): Biometal imaging and its emerging roles in patient care
Wang Y, Spincemaille P, Liu Z, Dimov A, Deh K, Li J, Zhang Y, Yao Y, Gillen KM, Wilman AH, Gupta A, Tsiouris AJ, Kovanlikaya I, Chiang G, Weinsaft JW, Tanenbaum L, Chen W, Zhu W, Chang S, Lou M, Kopell BH, Kaplitt MG, Devos D, Hirai T, Huang X, Korogi Y, Shtilbans A, Jahng G, Pelletier D, Gauthier SA, Pitt D, Bush AI, Brittenham GM, Prince MR. Clinical quantitative susceptibility mapping (QSM): Biometal imaging and its emerging roles in patient care. Journal Of Magnetic Resonance Imaging 2017, 46: 951-971. PMID: 28295954, PMCID: PMC5592126, DOI: 10.1002/jmri.25693.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingQuantitative susceptibility mappingPatient careGradient-echo magnetic resonance imagingEcho magnetic resonance imagingAbnormal oxygen consumptionContrast agent injectionNormal cellular biochemistryMRI diagnosisPathologic processesMRI protocolResonance imagingAgent injectionBone mineralizationSpatial biodistributionGradient echo sequencePathologic calcificationJ. MagnTechnical efficacyDiseaseClinical applicationOxygen consumptionClinical translationMRI practiceImaging practices
2016
Improved Visibility of Metastatic Disease in the Liver During Intra-Arterial Therapy Using Delayed Arterial Phase Cone-Beam CT
Schernthaner RE, Haroun RR, Duran R, Lee H, Sahu S, Sohn JH, Chapiro J, Zhao Y, Gorodetski B, Fleckenstein F, Smolka S, Radaelli A, van der Bom IM, Lin M, Geschwind JF. Improved Visibility of Metastatic Disease in the Liver During Intra-Arterial Therapy Using Delayed Arterial Phase Cone-Beam CT. CardioVascular And Interventional Radiology 2016, 39: 1429-1437. PMID: 27380872, PMCID: PMC5009166, DOI: 10.1007/s00270-016-1406-2.Peer-Reviewed Original ResearchConceptsIntra-arterial therapyDigital subtraction angiographyLiver metastasesDP-CBCTCone-beam CTDual-phase cone-beam CTContrast-enhanced magnetic resonance imagingSarcoma liver metastasesTumor-feeding arteriesMagnetic resonance imagingContrast agent injectionMetastatic diseaseMethodsThis IRBRetrospective studyCRCLMClinical impactArterial phaseCE-MRIDepiction rateResonance imagingAgent injectionSubtraction angiographyMetastasisTherapyHigh rate
2015
Clinical evaluation of contrast-enhanced digital mammography and contrast enhanced tomosynthesis—Comparison to contrast-enhanced breast MRI
Chou C, Lewin J, Chiang C, Hung B, Yang T, Huang J, Liao J, Pan H. Clinical evaluation of contrast-enhanced digital mammography and contrast enhanced tomosynthesis—Comparison to contrast-enhanced breast MRI. European Journal Of Radiology 2015, 84: 2501-2508. PMID: 26456307, DOI: 10.1016/j.ejrad.2015.09.019.Peer-Reviewed Original ResearchConceptsContrast-enhanced digital mammographyDCE-MRIBreast MRIDigital mammographyBI-RADSNon-target breastInstitutional review board approvalBI-RADS 4Contrast-enhanced breast MRIReview board approvalConventional digital mammographyBI-RADS categoryCranio-caudal viewContrast agent injectionAbnormal mammographyBenign lesionsMalignant lesionsNo significant differenceBoard approvalDiagnostic accuracyMediolateral-oblique viewClinical evaluationDynamic contrastAgent injectionLesions
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