核磁共振成像三家公司序列名稱對比

1、Seque nee TypeSieme nsGEPhilipsSpi n EchoSESESEGradie nt EchoGREGREFast Field Echo (FFE)Spoiled Gradie nt EchoFLASHSPGRT1-FFECohere nt Gradie nt EchoFISPGRASSFFESteady State Free Precesi onPSIFSSFPT2-FFETrue FISPTrueFISPFIESTABala need FFETrue FISP/Dual ExcitationCISSFIESTA-C-Double Echo Steady Stat

2、eDESS-Multi-Echo Data Image Comb in ati onMEDIC-Ultrafast Gradie nt EchoTurboFLASHFast GRE, Fast SPGRTFEUltrafast Gradie nt Echo 3DMPRAGE3-D FGRE, 3-D Fast SPGR3D TFEVolume In terpolated GREVIBEFAMETHRIVEInv ersi on RecoveryIR, TurboIR (TIR)IR, MPIR, FastIRIR-TSEShort Tau IRSTIRSTIRSTIRLong Tau IRTu

3、rbo DarkFluidFLAIRFLAIRTrue IRTrue IR-Real IRTurbo Spin Echo/Fast Spin TSE(Turbo SpinFSE (Fast Sp inTSE (Turbo Spi nEchoEcho)Echo)Echo)Sin gle-Shot TSE/FSEHASTESin gle-Shot FSESin gle-Shot TSEFSE/TSE with 90 RESTOREFast RecoveryDRIVEFlip-Back PulseFSE, FRFSENumber of EchoesTurbo FactorEcho Train Len

4、gth (ETL)Turbo FactorTime Betwee n EchoesEcho Spaci ngEcho Spac ingEcho Spac ingEcho Planar Imaging (EPI)EPIEPIEPINumber of EchoesEPI FactorETLEPI FactorTime Betwee n EchoesEcho Spaci ngEcho Spac ingEcho Spac ingTurbo Gradie nt Spin Echo (GRASE) Seque neeTurboGSE, TGSE-GRASEParallel Acquisiti onTech

5、 niq uesiPATASSETSENSEPAT: image-based algorithmmSENSESENSESENSEPAT: k-space-based algorithmGRAPPA-Distanee Between SlicesGapGapSeque nee ParametersRepetition Time, EchoTime (in msec)TR, TETR, TETR, TEInv ersi on Time (in msec)TITITIAveragesACQ(Acquisiti ons)NEXNSAPOMPSimulta neousSimulta neousExcit

6、atio nExcitati on(Phase Offset MultiPla nar)RF Pulse in Gradie ntEchoFlip An gleFlip An gleFlip An gleScan Measureme nt TimeAcquisiti onTime, TAAcquisiti on TimeAcquisiti on TimeDista nee FactorShifti ng Slices OffCen terOff Center ShiftOff Center FOVOff Center FOVField Of ViewFOV mmFOV cmFOV mmRect

7、a ngular FOVFOV Phase/Recta ngular FOVPartial FOV(PFOV)只”琴囂“Ban dwidthBan dwidth Hz/PxReceive Ban dwidthkHzFat/WaterShift PixelVariable Ban dwidthOptimized Ban dwidthVariableBan dwidthOptimized Ban dwidthFreque ncy Oversampli ngOversampli ngAn ti-Aliasi ngFreque ncyOversampli ngPhase Oversampli ngPh

8、aseOversampli ngNo Phase WrapFold overSuppressi onSegme nted K-spaceLin es/Segme nts Views per Segme nt Views/Segme ntTime Delay/Block K-SpaceTime DelayIn tersegme ntDelayTDHalf Fourier Imag ingHalf Fourier1/2 NEX, Fractio nal NEXHalf ScanPartial EchoAsymmetric EchoPartial EchoPartial EchoGradient M

9、omentNulling Flow Comp/GMRFlow CompFlow Comp, FlagRamped RF PulseTONERamped PulseTONE(% of slice thick ness)Magn etizati on Tran sfer Con trastMTC, MTSMTCMTCPrep Pulse-ChemicallyFat SatFat Sat/Chem SatSPIRWater Excitati onWaterExcitatio n-ProsetPrep Pulse-SpatiallyPresatSATRESTMoving Sat PulseTravel SatWalki ng SatTravel RESTImage Sync with ECGECG TriggeredCardiacGated/Triggeri ngECGTriggered/VCGDelay after R WaveTrigger Delay, TDTrigger Delay, TDTrigger Delay, TDRespiratory Gat ingRespiratory GatedRespiratory CompTrigger