2023
Chapter 5 Multimodality medical imaging in the diagnosis and evaluation of COVID-19
Wang M, Fakhri G. Chapter 5 Multimodality medical imaging in the diagnosis and evaluation of COVID-19. 2023, 157-158. DOI: 10.1016/b978-0-443-18493-2.00005-x.Peer-Reviewed Original Research
2021
Muscle strain analysis from diffusion tractography and dynamic magnetic resonance imaging of the moving tongue
Xing F, Liu X, Reese T, Stone M, Wedeen V, Prince J, Fakhri G, Woo J. Muscle strain analysis from diffusion tractography and dynamic magnetic resonance imaging of the moving tongue. The Journal Of The Acoustical Society Of America 2021, 150: a190-a190. DOI: 10.1121/10.0008082.Peer-Reviewed Original ResearchFiber directionDynamic magnetic resonance imagingMagnetic resonance imagingStrain computationSusceptible to numerical errorsStrain estimationStrain tensorFiber geometryMuscle fiber directionStrain valuesNumerical errorsMotion fieldExtract strainsMuscle activation patternsMotion timeResonance imagingDMRI spaceStrain analysisNeurovascular imaging with QUTE-CE MRI in APOE4 rats reveals early vascular abnormalities
Leaston J, Ferris C, Kulkarni P, Chandramohan D, van de Ven A, Qiao J, Timms L, Sepulcre J, Fakhri G, Ma C, Normandin M, Gharagouzloo C. Neurovascular imaging with QUTE-CE MRI in APOE4 rats reveals early vascular abnormalities. PLOS ONE 2021, 16: e0256749. PMID: 34449808, PMCID: PMC8396782, DOI: 10.1371/journal.pone.0256749.Peer-Reviewed Original ResearchConceptsVascular abnormalitiesAPOE-e4Contrast-enhanced magnetic resonance imagingBlood-brain-barrier leakageNeurovascular dysfunctionSmall vessel abnormalitiesMagnetic resonance imagingTri-synaptic circuitBlood-brain-barrierCross-sectional studyFemale ratsSignificant signal increaseHyper-vascularizationCerebrovascular abnormalitiesVessel abnormalitiesNeurovascular imagingQUTE-CEBrain volumeAnimal modelsPathological causesAbnormalitiesHistological validationImaging modalitiesResonance imagingDual-Cycle Constrained Bijective Vae-Gan For Tagged-To-Cine Magnetic Resonance Image Synthesis
Liu X, Xing F, Prince J, Carass A, Stone M, Fakhri G, Woo J. Dual-Cycle Constrained Bijective Vae-Gan For Tagged-To-Cine Magnetic Resonance Image Synthesis. 2011 IEEE International Symposium On Biomedical Imaging: From Nano To Macro 2021, 00: 1448-1452. PMID: 34707796, PMCID: PMC8547333, DOI: 10.1109/isbi48211.2021.9433852.Peer-Reviewed Original ResearchMR image synthesisAdversarial trainingImage synthesisVAE-GANMR imagingTagged MR imagesCine MR imagingMoving organsSuperior performanceMagnetic resonance imagingAcquisition timeCycle reconstructionHealthy subjectsResonance imagingAnatomical resolutionComparison methodMotion analysisTagged magnetic resonance imagingTissue segmentationImagesScanning session
2019
Analysis of genioglossus-centered tongue muscle function groups from dynamic magnetic resonance imaging
Xing F, Stone M, Goldsmith T, Prince J, Fakhri G, Woo J. Analysis of genioglossus-centered tongue muscle function groups from dynamic magnetic resonance imaging. The Journal Of The Acoustical Society Of America 2019, 146: 3086-3086. DOI: 10.1121/1.5137722.Peer-Reviewed Original ResearchMuscle functional groupsSpeech motor controlMotor controlInternal tongue musclesMuscle motionInternal musclesTongue muscle functionMuscle functionMuscle locationMotion patternsFunctional groupsMuscleDynamic magnetic resonance imagingFunctional lossDynamic magnetic resonanceMagnetic resonance imagingExtract motionCooperation patternsNormal controlsGenioglossusDigastric muscleUnique groupGroupResonance imagingClinical observationsAtlas-Based Tongue Muscle Correlation Analysis From Tagged and High-Resolution Magnetic Resonance Imaging.
Xing F, Stone M, Goldsmith T, Prince J, El Fakhri G, Woo J. Atlas-Based Tongue Muscle Correlation Analysis From Tagged and High-Resolution Magnetic Resonance Imaging. Journal Of Speech Language And Hearing Research 2019, 62: 2258-2269. PMID: 31265364, PMCID: PMC6808360, DOI: 10.1044/2019_jslhr-s-18-0495.Peer-Reviewed Original ResearchConceptsInternal tongue musclesFloor of mouthMagnetic resonance imagingHigh-resolution magnetic resonance imagingMuscle pairsTongue musclesRehabilitation strategiesSpeech sound productionResonance imagingCoordination patternsSpeech motor controlMuscle locationDisease populationMotion of muscleMotor controlIntersubjective behaviorsManually labeled masksMuscleGlossectomy patientsExtrinsic tongue musclesControl subjectsBloc movementFunctional lossPatientsMotion patternsFree-Breathing Three-Dimensional T1 Mapping of the Heart Using Subspace-Based Data Acquisition and Image Reconstruction
Han P, Horng D, Marin T, Petibon Y, Ouyang J, Fakhri G, Ma C. Free-Breathing Three-Dimensional T1 Mapping of the Heart Using Subspace-Based Data Acquisition and Image Reconstruction. Annual International Conference Of The IEEE Engineering In Medicine And Biology Society (EMBC) 2019, 00: 4008-4011. PMID: 31946750, DOI: 10.1109/embc.2019.8856511.Peer-Reviewed Original ResearchConceptsRespiratory motionRespiratory gatingLongitudinal relaxation timeSubspace-based methodsLow-rank tensorMagnetic resonance imagingRelaxation timeT1 mappingT)-spaceSubspace-basedSparsity constraintDynamic MR imagingReconstructed mapsSpatiotemporal correlationThree-dimensionalCardiac MRHealthy subjectsIn vivo dataMagnetizationResonance imagingImage functionMR imagingData acquisitionClinical applicationTensor
2018
Magnetic resonance imaging based anatomical assessment of tongue impairment due to amyotrophic lateral sclerosis: A preliminary study
Lee E, Xing F, Ahn S, Reese T, Wang R, Green J, Atassi N, Wedeen V, El Fakhri G, Woo J. Magnetic resonance imaging based anatomical assessment of tongue impairment due to amyotrophic lateral sclerosis: A preliminary study. The Journal Of The Acoustical Society Of America 2018, 143: el248-el254. PMID: 29716267, PMCID: PMC5895467, DOI: 10.1121/1.5030134.Peer-Reviewed Original ResearchConceptsDiffusion tensor imagingHigh-resolution magnetic resonance imagingMagnetic resonance imagingResonance imagingEffects of amyotrophic lateral sclerosisAmyotrophic lateral sclerosisTensor imagingAmyotrophic lateral sclerosis patientsFiber connectionsSpeechNeurological disordersLateral sclerosisStrain map of the tongue in normal and ALS speech patterns from tagged and diffusion MRI
Xing F, Prince J, Stone M, Reese T, Atassi N, Wedeen V, El Fakhri G, Woo J. Strain map of the tongue in normal and ALS speech patterns from tagged and diffusion MRI. Proceedings Of SPIE--the International Society For Optical Engineering 2018, 10574: 1057411. PMID: 29706684, PMCID: PMC5922778, DOI: 10.1117/12.2293028.Peer-Reviewed Original ResearchDiffusion tensor imagingAmyotrophic lateral sclerosis subjectsAmyotrophic lateral sclerosisNormal subjectsMagnetic resonance (MR) techniquesAmyotrophic lateral sclerosis patientsTagged magnetic resonance imagingMagnetic resonance imagingMR imaging techniquesMotion sequencesDeath of neuronsMotion fieldDiffusion tensor imaging dataSwallowing functionLines of actionTongue tissueResonance imagingFiber directionTongue musclesTongue motionSpeech patternsMotion atlasActive regionTensor imaging
2017
Guest Editorial Low-Dose CT: What Has Been Done, and What Challenges Remain?
Liang J, La Riviere P, Fakhri G, Glick S, Siewerdsen J. Guest Editorial Low-Dose CT: What Has Been Done, and What Challenges Remain? IEEE Transactions On Medical Imaging 2017, 36: 2409-2416. DOI: 10.1109/tmi.2017.2768978.Peer-Reviewed Original ResearchCone-beam CTMulti-detector row CTDiscovery of X-raysIntroduction of computed tomographyMonitoring of therapeutic responseMulti-detector-rowImage-guided interventionsProjection dataMagnetic resonance imagingPositron emission tomographyTherapeutic responseEmergency examinationTreatment planningVolumetric imagesDiagnostic imagingEmission tomographyImaging modalitiesResonance imagingX-rayMedical imaging modalitiesCTTomographyTomographic imagesPositron
2015
Synergistic role of simultaneous PET/MRI-MRS in soft tissue sarcoma metabolism imaging
Zhang X, Chen Y, Lim R, Huang C, Chebib I, Fakhri G. Synergistic role of simultaneous PET/MRI-MRS in soft tissue sarcoma metabolism imaging. Magnetic Resonance Imaging 2015, 34: 276-279. PMID: 26523656, PMCID: PMC4761342, DOI: 10.1016/j.mri.2015.10.027.Peer-Reviewed Original ResearchConceptsSoft tissue sarcomasMagnetic resonance imagingHigh (18)F-FDG uptakeT2 hyperintense massMagnetic resonance spectroscopyNeoadjuvant radiotherapyPathological resultsTumor marginsTissue sarcomasImaging findingsPET/MRI scansPET scansRight thighRadiotherapyNormal tissuesEmission tomographyResonance imagingMetabolite profilesSarcomaPET/MRIChemoRTChemoradiationSynergistic rolePETSurgery
2013
State of the Art in Cardiac Hybrid Technology: PET/MR
Nappi C, El Fakhri G. State of the Art in Cardiac Hybrid Technology: PET/MR. Current Cardiovascular Imaging Reports 2013, 6: 338-345. PMID: 24073295, PMCID: PMC3780420, DOI: 10.1007/s12410-013-9213-5.Peer-Reviewed Original ResearchMagnetic resonance imagingPositron emission tomographyAbsence of ionizing radiationPositron emission tomography systemLimitations of PET/MRISensitivity of positron emission tomographyRespiratory motionPhotomultiplier tubeClinical cardiac applicationsSoft tissue contrastPET-CTDetection chainPositron emission tomography dataCardiac morphologyCardiac PET/MRIClinical promisePET/MRIEmission tomographySimultaneous PET/MRIImaging modalitiesPET imagingResonance imagingClinical settingDynamic PET imagesTissue contrast