Ακρωνύμια

PATIENT ORIENTATION

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
PATIENT ORIENTATION SEQUENCE	LOCALIZER	PLAN SCAN	LOCALIZER, SCOUT	SCANOGRAM	LOCATOR
AUTOMATED SLICE POSITIONING	READYBRAIN	SMARTEXAM	AUTOALIGN		NEUROLINE, SPINELINE

SPIN ECHO

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
SPIN ECHO	SE	SE	SE	SE	SE
TURBO SPIN ECHO/ FAST SPIN ECHO	FSE	TSE	TSE	FSE	FSE
SINGLE – SHOT TSE	SINGLE SHOT FSE	SINGLE SHOT TSE	HASTE	SINGLE SHOT FSE	FASE
TSE – 90 FLIP-BACK PULSE	FAST RECOVERY FSE (FRFSE)	DRIVE	RESTORE	DRIVEN EQUILIBRIUM	T2 PLUS FSE
HYPER ECHOES			HYPERECHO
3D TSE WITH VARIABLE FLIP ANGE	CUBE	VISTA	SPACE		FASE3D mVOX
REDUCED FOV IMAGING FOR 3D TSE	HYPERCUBE		ZOOMIT SPACE
NUMBER OF ECHOES IN TSE	ECHO TRAIN LENGTH (ETL)	TURBO FACTOR	TURBO FACTOR	ECHO FACTOR	ECHO TRAIN LENGTH (ETL)

GRADIENT ECHO

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
SPOILED GRADIENT ECHO	SPGR	T1-FFE	FLASH	RF SPOILED SARGE, RSSG	T1-FFE
COHERENT GRADIENT ECHO	GRASS	FFE	FISP	REPHASED SARGE	SSFP
STEADY STATE FREE PRECESION	SSFP	T2-FFE	PSIF	TIME REVERSED SARGE, TRSG
TRUE FISP	FIESTA, COSMIC	BALANCED FFE	TRUEFISP	BALANCED SARGE, BASG	TRUE SSFP
TRUE FISP /DUAL EXCITATION	FIESTA -C		CISS	PHASE BALANCED SARGE, PBSG
MULTI ECHO DATA IMAGE COMBINATION	MERGE	M-FFE	MEDIC	ADAGE
DOUBLE ECHO STEADY STATE			DESS
ULTRA FAST 2D GRADIENT ECHO WITH PREPARATION PULSE	FAST GRE, FAST SPGR	TFE	TURBOFLASH	RGE	FASTFE
ULTRA FAST 3D GRADIENT ECHO WITH PREPARATION PULSE	3D FGRE, 3D FAST SPGR, BRAVO	3D TFE	MPRAGE	MPRAGE	FASTFE 3D
ULTRA FAST 3D GRADIENT ECHO WITH DUAL ECHO TRAIN			MP2RAGE		MP2RAGE
ARTERIAL SPIN LABELING	ASL	ASL	ASL	ASL	ASL
VOLUME INTERPOLATED 3D GRE	LAVA-XV	THRIVE	VIBE	TIGRE	3D QUICK
SUSCEPTIBILITY – WEIGHTED IMAGING	SWAN 2.0	SWIP	SWI	BSI	FSBB

QUIET SCANNING

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
QUIET SCANNING WITH OPTIMIZED GRADIENT WAVEFORMS	SILENT SCAN	COMFORTONE	QUIETX		ROUNDED GRADIENT SHAPES
QUIET SCANNING WITH REDUCED SLEW RATES (LONGER SCAN TIMES)	ACOUSTIC REDUCTION TECH (ART)	SOFTONE	WHISPER SEQUENCES	SOFTSOUND	PIANISSIMO ZEN
“INAUDIBLE” 3D SEQUENCE WITH HALF RADIALS	SILENZ		PETRA		mUTE 3D T1

MOTION CORRECTION

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
MOTION CORRECTION WITH RADIAL BLADES	PROPELLER 3,0	MULTIVANE	BLADE	RADAR	JET
FLOW COMPENSATION WITH GRADIENT NULLING	FLOW COMP	FLOW COMP, FLAG	GMR/FLOW COMP	GR	FC
1D NAVIGATORS FOR CARDIAC IMAGING	NAVIGATORS	NAVIGATORS	1D PACE		ECHO NAVIGATOR
2D NAVIGATORS FOR ABDOMINAL IMAGING			2D PACE		2D RMC
3D PROSPECTIVE MOTION CORRECTION FOR fMRI		PMC	3D PACE
3D RETROSPECTIVE MOTION CORRECTION FOR fMRI	BRAINWAVE	MC	3D ART		FASE3D mVOX
MOTION CORRECTION FOR 3D TSE WITH SPIRAL NAVIGATORS			DynaVIBE
MOTION CORRECTION FOR 3D TSE WITH SPIRAL NAVIGATORS			DynaVIBE
SOFT-TISSUE MOTION CORRECTION			BRACE

ACCELERATION AND PARALLEL ACQUISITION TECHNIQUES

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
IMAGE-BASED ALGORITHM	ASSET	SENSE, dS SENSE	mSENSE	RAPID	SPEEDER
k -SPACE-BASED ALGORITHM	ARC		GRAPPA	K-RAPID
INTEGRATED CALIBRATION	SELF-CALIBRATION (WITH ARC)		INTEGRATED, AUTO-CALIBRATION
SEPARATE CALIBRATION	CALIBRATION FOR ASSET	CALIBRATION FOR SENSE/CLEAR	SEPARATE CALIBRATION	CALIBRATION FOR RAPID	CALIBRATION FOR SPEEDER
MULTIPLE DATASETS CALIBRATE EACH OTHER			SELF-CALIBRATION, T-PAT
SIMULTANEOUS MULTI-SLICE/MULTI-BAND	HYPERBAND	MULTIBAND SENSE	SMS (SIMULTANEOUS MULTI-SLICE)		MULTIBAND SPEEDER
COMPRESSED SENSING	HYPERSENSE	COMPRESSED SENSE	COMPRESSED SENSING
CAIPIRINHA FOR 3D SEQUENSES			CAIPIRINHA

FAT SUPPRESSION, SPATIAL SATURATION

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
CHEMICAL FAT SATURATION	FAT SAT/ CHEM SAT	SPIR	FAT SAT	SINC, H-SINC	MSOFT
CHEMICAL FAT SATURATION WITH ADIABATIC PULSE	ASPIR	SPAIR	SPAIR		SPAIR
WATER EXCITATION	WATER EXCITATION	PROSET	WATER EXCITATION	WATER EXCITATION	PASTA
DIXON FAT- WATER SEPARATION FOR TSE	IDEAL, FLEX	mDIXON XD, mDIXON TSE	DIXON TSE	FATSEP	WFOP
DIXON FAT- WATER SEPARATION FOR 3D GRE	LAVA-FLEX	mDIXON	DIXON VIBE		WFS
SPATIAL SATURATION	CUBE	REST	SAT REGION	PRESAT	PRESAT
MOVING SAT PULSE	WALKING SAT	TRAVEL REST	TRACKING SAT	SEQUENTIAL PRE SAT	MOVING PRESAT

SEQUENCE PARAMETERS

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
REPETITION TIME, ECHO TIME (msec)	TR, TE	TR, TE	TR, TE	TR, TE	TR, TE
INVERSION TIME (msec)	TI	TI	TI	TI	TI
INTER – ECHO SPACING (TSE, EPI)	ECHO SPACING	ECHO SPACING	ECHO SPACING	INTER-ECHO TIME (IET)	ECHO SPACING
NUMBER OF EXCITATIONS	NEX	NSA	AVERAGES	NSA	NAQ
SCAN TIME	ACQUISITION TIME	ACQUISITION TIME	ACQUISITION TIME, TA	SCAN TIME	ACQUISITION TIME
FIELD OF VIEW (FOV)	FOV (cm)	FOV (cm)	FOV (cm)	FOV	FOV
RECTANGULAR FOV	ASYMMETRIC FOV	RECTANGULAR FOV	FOV PHASE, RECTANGULAR FOV	RECTANGULAR FOV	RECTANGULAR FOV
DISTANCE BETWEEN SLICES	GAP	GAP	DISTANCE FACTOR (% OF SLICE THICKNESS)	SLICE INTERVAL	GAP
SHIFTING SLICES OFF CENTER	OFF CENTER FOV	OFF CENTER FOV	OFF CENTER SHIFT	OFF CENTER FOV	PHASE & FREQUENCY SHIFT
SIMULTANEOUS EXCITATION	POMP (PHASE OFFSET MULTIPLANAR)	MULTI-SLICE	SIMULTANEOUS EXCITATION	DUAL SLICE	QUADSCAN
BANDWIDTH	RECEIVE BANDWIDTH (kHz)	FAT/WATER SHIFT (PIXEL)	BANDWIDTH (HZ/PX)	BANDWIDTH	BANDWIDTH
VARIABLE BANDWIDTH	VARIABLE BANDWIDTH	OPTIMIZED BANDWITH	OPTIMIZED BANDWITH	VARIABLE BANDWIDTH	MATCHED BANDWIDTH
RF EXCITATION PULSE IN GRADIENT ECHO	FLIP ANGLE	FLIP ANGLE	FLIP ANGLE	FLIP ANGLE	FLIP ANGLE
HALF FOURIER IMAGING	HALF NEX, FRACTIONAL NEX	HALF SCAN	HALF FOURIER, PHASE PARTIAL FOURIER	HALF SCAN	AFI
PARTIAL ECHO	ASYMMETRIC ECHO	PARTIAL ECHO	ASYMMETRIC ECHO	HALF ECHO	MATCED BANDWIDTH
FREQUENCY OVERSAMPLING	ANTI-ALIASING	FREQUENCY OVERSAMPLING	OVERSAMPLING	FREQUENCY OVERSAMPLING	FREQUENCY WRAP SUPPRESSION
PHASE OVERSAMPLING	NO PHASE WRAP (NPW)	FOLD-OVER SUPPRESSION	PHASE OVERSAMPLING	ANTI-WRAP	PHASE WRAP SUPPRESSION
SEGMENTED k-SPACE	VIEWS PER SEGMENT	VIEWS/SEGMENT	LINES/SEGMENTS	SEGMENTS	SEGMENTS
TIME DELAY/BLOCK k-SPACE	INTERSEGMENT DELAY	TD	TIME DELAY		TD
SCAN SYNCHRONIZATION WITH ECG	CARDIAC GATED/ TRIGGERED	ECG TRIGGERED/ VCG	ECG TRIGGERED	ECG TRIGGERED	CARDIAC GATED
DELAY AFTER R-WAVE	TRIGGER DELAY, TD	TRIGGER DELAY, TD	TRIGGER DELAY, TD	DELAY TIME	TRIGGER DELAY, TD
RESPIRATORY GATING	RESPIRATORY COMP	TRIGGER, PEAR	RESPIRATORY GATED	MAR	RESPIRATORY GATED
MULTI-CHANNEL RF COIL SENSITIVITY NORMALIZATION	PURE, SCIC	CLEAR	PRESCAN NORMALIZE	NATURAL

CARDIAC IMAGING

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
COMPREHENSIVE CARDIAC TOOL			BEAT (2D/3D)
T1, T2, T2* MAPPING	CARDIOMAPS	T1 MAPPING STARQUANT	MYOMAPS		MOLLI (T1), T2* MAPPING (FFE2D mECHO)
HIGH-RESOLUTION, FREE-BREATHING CARDIAC FUNCTION			COMPRESSED SENSING CARDIAC CINE

MSK IMAGING

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
METAL IMPLANT IMAGING (2D CORRECTION)		O-MAR VAT	WARP WITH VAT		VAT
METAL IMPLANT IMAGING (3D CORRECTION)	MAVRIC SL	O-MAR XD	ADVANCE WARP WITH SEMAC
PARAMETRIC MAPPING	CARTIGRAM (T2)		MAPIT SENSING CARDIAC CINE	T2* RELAX MAP	T2 MAPPING

SPECTROSCOPY

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
PROSTATE	PROSE	PROSTATE SPECTROSCOPY	3D CSI		PROSTATE SPECTROSCOPY
BREAST	BREASE	BREAST SPECTROSCOPY	GRACE	BREAST SPECT
WEIGHTED ELLIPTICAL EXCITATION FOR CSI			WET

PARALLEL TRANSMISSION

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
B1 SHIMMING	MULTIDRIVE	MULTITRANSMIT	TIMTX TRUEFORM	QUARTET	MULTIPHASE TRANSMIT
PLATFORM FOR ADVANCED PARALLEL MULTI-TRANSMIT APPLICATIONS, E.G. WITH ACCELERATED MULTI-DIMENSIONAL RF PULSES			TIMTX TRUESHAPE

BODY IMAGING

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
BODY DIFFUSION	eDWI	DWIBS	REVEAL	DWI	BODY VISION
FAT – IRON EVALUATION	IDEAL – IQ	mDIXON QUANT	LIVERLAB
MR ELASTOGRAPHY	MR-TOUCH	ELASTOGRAPHY	ELASTOGRAPHY
DYNAMIC CONTRAST-ENHANCED 3D WITH k-SPACE RE-ORDERING	DISCO		TWIST –VIBE (FREEZit)
FREE BREATHING MOTION-FREE 3D T1 IMAGING			STARVIBE (FREEZit)
DYNAMIC CONTRAST-ENHANCED 3D WITH COMPRESSED SENSING			COMPRESSED SENSING GRASP-VIBE

MEN’S HEALTH

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
COMPREHENSIVE PROSTATE IMAGING			SEEit

WOMEN’S HEALTH

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
HIGH-RESOLUTION BILATERAL BREAST IMAGING	VIBRANT, VIBRANT-FLEX	BLISS	VIEWS		RADIANCE

MR ANGIOGRAPHY

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
TIME OF FLIGHT	TOF	TOF	TOF	TOF	TOF
PHASE CONTAST	PHASE CONTRAST, INHANCE VELOCITY	PHASE CONTRAST (PC)	PHASE CONTRAST (PC)	PHASE CONTRAST (PC)	PHASE SHIFT (PS)
DYNAMIC MRA WITH k-SPACE SHARING	TRICKS-XV	KEYHOLE (4D-TRAK)	TWIST	TRAQ	DRKS
NON-CONTRAST MR ANGIO, TSE-BASED	INHANCE DELTAFLOW	TRANCE	NATIVE SPACE		FBI, CIA
NON-CONTRAST MR ANGIO, TRUEFISP-BASED	INHANCE INFLOW IR	B-TRANCE	NATIVE-TRUEFISP	VASC	TIME-SLIP
NON-CONTRAST MR ANGIO, QUIESCENT-INFLOW SINGLE-SHOT (QISS)			QISS
MAGNETIZATION TRANSFER CONTRAST (MTC)	MTC	MTC	MTC	MTC	SORS-STC
RAMPED RF PULSE	RAMPED RF	TONE	TONE	SSP	ISCE
MULTI-SLAB ACQUISITION	MOTSA	MULTI-CHUNK	MULTI-SLAB	MULTI-SLAB	MULTI-SLAB
CONTRAST BOLUS TIMING/ VISUALIZATION	SMART PREP, FLUORO TRIGGERED MRA	BOLUSTRAK	CARE BOLUS	FLUTE	VISUAL PREP
CENTRAL k-SPACE FILLING ARTERIAL VISUALIZATION	ELLIPTIC CENTRIC	CENTRA	ELLIPTICAL SCANNING	PEAKS

INVERSION RECOVERY

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
SHORT-TAU IR	STIR	STIR	TIRM, STIR	STIR	FASTSTIR
LONG-TAU IR	FLAIR	FLAIR	TIRM, DARK FLUID	FLAIR	FASTFLAIR
DUAL INVERSION RECOVERY	CUBE DIR	DUAL IR-TSE	DIR SPACE		DOUBLE IR
TRUE IR		REAL IR	TIR, TRUE IR	REAL – IR	REAL IR

ECHO PLANAR IMAGING – DIFFUSION

Sequence / Technique	GE	Philips	Siemens	Hitachi	Canon
NUMBER OF ECHOS IN EPI	ETL	EPI FACTOR	EPI FACTOR	ECHO FACTOR	ECHO TRAIN LENGTH
DIFFUSION – WEIGHTED IMAGING	DWI	DWI	DWI	DWI	DWI
APPARENT DIFFUSION COEFFICIENT MAP	ADC	ADC	ADC	ADC	ADC
COMPUTED b – VALUES	MAGiC-DWI	cDWI (computed DWI)	COMPUTED b-VALUES		cDWI (computed DWI)
DIFFUSION TENSOR IMAGING (DTI)	DTI	DTI	DTI, MDDW (Multi-Directional Diffusion Imaging)	DTI	DTI
DTI TRACTOGRAPHY (FIBER TRACKING)	FIBERTRACK	FIBERTRACK	DTI TRACTOGRAPHY	DTI TRACTOGRAPHY	DTT (Diffusion Tensor Tractography)
HIGH RESOLUTION DIFFUSION IMAGING	PROPELLER DWI	DWI WITH SEGMENTED EPI	RESOLVE	RADAR DWI	FASE DWI
REDUCED -FOV IMAGING FOR DIFFUSION – BOLD EPI	FOCUS	Zoom Diffusion	ZOOMit EPI
TURBO GRADIENT SPIN ECHO		GRASE	TURBO GSE, TGSE		HYBRID EPI