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
2012
MRI-Based Nonrigid Motion Correction in Simultaneous PET/MRI
Chun Y, Reese T, Ouyang J, Guerin B, Catana C, Zhu X, Alpert N, Fakhri G. MRI-Based Nonrigid Motion Correction in Simultaneous PET/MRI. Journal Of Nuclear Medicine 2012, 53: 1284-1291. PMID: 22743250, PMCID: PMC4077320, DOI: 10.2967/jnumed.111.092353.Peer-Reviewed Original ResearchConceptsChannelized Hotelling observerMotion correctionDetection signal-to-noise ratioSignal-to-noise ratioMRI-based motion correctionRespiratory motion correctionMotion-corrected reconstructionOrdered-subsets expectation maximization algorithmNonrigid motion correctionChannelized Hotelling observer studyPET image qualityNonrigid image registration methodCoincidence dataDeformable phantomRespiratory gatingReduce radiation doseDynamic phantomImage registration methodReduced signal-to-noise ratioSimultaneous PET/MRICost of increased noiseHotelling observerPhantomAttenuation measurementsRabbit studies