|
|
3 {: D9 q) R6 ~/ ]3 o8 j4 v) b- `) `' Y, ]' a( s* R% c
- [& e! i! H ^
| ~- _6 P/ j- T8 B7 R1 m! Z
Sequence Type |
T0 I# G1 C/ m; \
: p( [4 e8 I% j' K' l9 D. ? Siemens |
9 f/ x* M% [/ e) [3 q$ q% [) ^% _! b L b0 F
GE | 0 q8 x7 p0 d+ O* K
7 P/ T/ P+ e/ }$ k5 x
Philips | ) i3 c; ^/ G' j6 w
3 D% M! u) x# L9 O
| / |, t6 z( s( u% l7 ?/ _, S
Spin Echo |
0 a) V% A, h! f2 R( ~8 i5 C4 H, w, ?8 I3 s. ]3 Z( e/ P
SE | 3 F% G/ ~7 U7 x. [& |
1 o/ C1 H/ ]/ j8 ]4 N; V9 v2 ?
SE | + ~/ i+ H+ b7 ~
- G: {, v" X4 E) ~2 l
SE |
* i8 L/ w: a& t9 N
- D/ H5 q; c+ }1 h|
3 T* o! g1 c& E# [, e1 V* W ]+ Q, @ Gradient Echo | ) O' m& @- G0 s
6 S! g% z8 l5 }
GRE |
" b: N8 n3 Z9 o0 [! L; q* }& k% _8 h" ]0 A9 L1 I8 [% M% O' p
GRE | - b( X9 C* k3 N" g3 X8 k
& G" x! t. ]9 E% }3 R- ~ _
Fast Field Echo (FFE) | $ d4 `' L3 M+ ?* u
3 O' G6 S$ q8 C- o8 l5 }| # B/ q$ R) ~ e7 r0 {
Spoiled Gradient Echo |
6 t7 Q: }( x( y+ @
8 k Y# E2 [( B7 P6 \1 m; | FLASH | * t8 T, M% @5 h1 z
4 [: ~+ M0 e$ S+ ^6 e
SPGR | + \! {0 \* F6 r7 S z
! Z9 e P9 h( O/ y' M! `' i6 D' |" Z T1-FFE | 6 ?3 ^/ _7 v/ ~( a3 i) S
$ \& [* y4 Q$ H0 L- Q
| 9 d i5 X& b- Y3 U* H1 }% N
Coherent Gradient Echo |
( r8 X: o3 A5 S( }6 f9 v- R( Q% R) C; ?9 w K5 B. T' u6 y
FISP | 8 ~9 [/ F u8 J* R7 v% X6 K4 g! K% `
8 R& P+ d5 k7 U9 B/ ?5 n GRASS | 8 u9 j4 A/ n. H) d4 c
; ]6 \- L) w; V9 z3 x& J2 d
FFE |
% ]. o8 l2 j) @" F( ^/ O
9 A( D. \( I/ x2 u* G, H| 9 g5 \, |' @% L9 H6 v8 h2 V
Steady State Free Precesion | 3 R% z* ?+ y5 `' ^
5 C) e$ }3 j+ S2 S) v
PSIF | 3 c/ _' }( G2 Z* H
1 w U9 w* D& n5 Q
SSFP |
' p& k8 J( ^' I8 |# ]) U/ B
! u# k: r2 e& \ A) y# m0 D T2-FFE |
' C# P! B& F+ X7 P4 A. H6 U; b2 s
| 9 X0 y4 d1 d& h7 a" I' V8 y
True FISP | # J, {8 c* `/ s. l* |
1 X7 ?) A1 u* w& a. g# [
TrueFISP | $ |* }8 @9 N: Z" s% m! m6 h
, v$ U! K& W" R! P$ u+ V- o/ Z- _
FIESTA |
1 u+ o" W9 e P* p) ?/ g Y* o7 K& h9 K6 |6 ~, a& y
Balanced FFE |
x: @2 H- E* k/ D" i6 d4 c! F8 \; N
|
- ]9 v# \: M% h- @! o9 H True FISP/Dual Excitation | 4 x9 B5 o6 ?$ H: w. {. j, [
% s2 W' t5 X; s" B i CISS |
* S1 x) h, c5 C1 D7 b3 \$ j
5 e7 L( ?$ @# W, |3 s" ?$ p FIESTA-C |
3 x. `3 S$ X Y9 s9 s
& x; J! N& _% d. [ - |
- W E/ G' u! h( }7 Z9 n O2 l S! C, @- u& p K2 p
|
+ C6 p8 Y1 h1 ^; S Double Echo Steady State |
7 f$ V9 Z5 H6 q$ P/ U( n" B3 F5 B
- y* B, P# Q1 j6 I# t0 y DESS |
) z% L; p M" @1 @* w% m m3 p
! M* P7 q+ j2 D - | % M& u$ B; [% u H
# L& D# \8 Y" a/ O
- |
6 C8 m/ d. x2 h% }# W/ U6 W, {7 B+ V3 l0 N+ M% i7 A9 z/ n
|
/ a( `2 }+ U& l; N/ A4 X Multi-Echo Data Image Combination | " h7 J* e7 H. k/ r/ K* p
' H& }8 x8 m- Z- h
MEDIC |
( C6 ]3 A& j L* S4 W) t/ w) W4 n% i" w" d/ c6 e/ l$ C; c
- | 1 ` s% {3 W9 A- S: v( ~
3 t" x" s' R! j& k: a G
- |
% a, J9 b# ^8 ]
" B: u! h- n; e) p|
) I8 p; A9 M, t) F9 G Ultrafast Gradient Echo | ! f6 d3 Y; S- w$ `
- M5 R1 K) X) Z* T- ? TurboFLASH |
- u2 X9 Y3 Z' N ?. K m7 i/ w9 H, a6 s$ z
Fast GRE, Fast SPGR | - t2 ]) i% F( _/ ]8 V
7 d [* i& c* E W) t+ s, M
TFE | % O( s1 r$ q5 G, u
0 y' H* ~' D1 ~) R
|
4 J( f; h/ I9 n" V' R Ultrafast Gradient Echo 3D | 2 X) \1 ]$ T" j! c1 I {0 Q/ H7 ]
5 I; U9 B0 E$ A2 p a3 ]" _
MPRAGE |
& t0 ` g- Q. K: A. |; ^
9 ^4 I$ [& o( F 3-D FGRE, 3-D Fast SPGR |
, K4 _7 S" `- h6 ? q
3 P$ s2 ~& {1 }5 D- [5 P0 ~: G" Q 3D TFE |
* O$ ?, g; p3 l- {9 ^' l5 {! l
- r( e. o0 U- Y6 r3 m|
; @- U' \# l; }& S# I' U1 y* e Volume Interpolated GRE | ! z: J/ W% F' |
# @, R# H! q1 Z; d; D" O6 p( J VIBE | $ I- h4 r& @' |! T9 [, e1 P
' u( U4 s" ^- Z( I2 t( h# v, q+ Y FAME | 5 y# s! i4 Y4 S/ I! m/ J
' \$ D9 B: i5 [; i, n! W5 H THRIVE | " a% w+ O; w2 @/ b
# `1 Z4 n. V5 `8 _9 N
| 5 ` O- U! S1 J; d$ K2 h
Inversion Recovery | 6 Y2 v! R: t$ h3 W* t
' e Y/ F! E4 N# E7 H8 e
IR, TurboIR (TIR) | * U4 _* N% t/ k4 _3 c4 N
0 v! N$ e+ h$ w% b" g0 u* k
IR, MPIR, FastIR |
/ ^ V# f; ^6 A4 _9 j q' y# L) Z k$ h# I7 F$ F
IR-TSE | * i8 k2 \: ^1 Z! d/ `* P
* ~* w2 _+ Z% L| 6 e- Y% a- O. g5 g
Short Tau IR | 0 j# t6 |* E1 x, j9 g# n9 q+ X/ U
, I, f1 N0 z! n9 _ STIR | % X. u1 K! e- ?- G* M
4 Y9 o: I, {6 |9 \8 C3 j% K
STIR | / C" a# C( E" e4 Y
7 R& {( R; Q. V
STIR | + U9 G; D7 s- t9 z
3 z+ F, H0 N H% X- B& h
|
0 A+ L- s/ F4 Z) F4 a/ q Long Tau IR | . A- B* Y& H3 s+ L2 M
. C" U' I" }9 d0 F Turbo Dark Fluid | 5 ^ ]( G) P* N1 Z! Y- K* _
0 [" e8 o! j M( n# T5 u
FLAIR | - J, F; T: M# ^; { H1 b* s
V7 r ~% M6 K4 o" r
FLAIR |
; q/ q. V; |6 r" J0 U" R0 A8 Q0 W) i! h5 k+ q
| 7 c5 g* c9 Q. A: f4 J& \
True IR | & S; s* A+ `$ K1 {7 I6 K# g
9 V* q" V& U( ?0 M True IR |
" s9 i5 a, i% a4 z, ]6 P# _1 p# {5 R
- | ) e1 d; e$ i, M1 _1 ^7 O
! [; D# c/ V. x4 w4 S
Real IR | ; o: C- D: k, U" N
: x9 c, b" [8 G3 n$ E# d
| ! {8 O- Y* t: j |
Turbo Spin Echo/Fast Spin Echo |
) A6 H& j5 C6 ]3 g2 R( H2 k4 q2 x9 p5 {
TSE (Turbo Spin Echo) |
1 K& t5 B3 Q: U6 k8 k5 s# l' k+ s$ O
FSE (Fast Spin Echo) | . S! Y6 a# |! @& c
' V0 T3 h* I' a# b0 L TSE (Turbo Spin Echo) | 4 p% g- x; s; f2 N- z- P, A
2 `' Z1 j& j& L# z; }+ I
|
' ?) p7 `6 }- ]3 W2 V; a' d Single-Shot TSE/FSE | : y; L ]8 @6 o. V. q
& O/ `+ y0 I2 B; ?* Q
HASTE |
4 W5 [2 c( j, F/ P2 |
% W0 W0 H3 v; L1 _ Single-Shot FSE | ( S( C5 B( U' r. u3 d
' l% ^9 S S; s, f
Single-Shot TSE |
4 Q5 E* X! A2 p; H6 S. {
! U, `) x; f) `6 w| : f p1 d' Y0 \8 D5 Q
FSE/TSE with 90° Flip-Back Pulse |
7 |& _7 W1 `6 o+ y8 ?
- r( a; H9 V6 V/ r RESTORE | . k" {/ [5 r( ~* r& z7 Z
( U3 u4 D. g. R! C
Fast Recovery FSE, FRFSE |
$ r2 O8 ?. U' D s% L0 K X) ?9 {' z8 N& B
DRIVE |
- T2 B, J/ {3 }% S* Y$ r0 a
- s4 F$ X, k: a5 ~6 R|
1 k4 n" t7 r6 E. c% e! _! D5 U Number of Echoes | 2 g! \" y7 U) Z$ [* g6 z) ~
7 }5 |4 U) z. i- \ d, ~8 x
Turbo Factor |
Z; y, T' E9 W+ f' Z( j
, e) h2 ]% }9 g Echo Train Length (ETL) | , G! b/ z' A, h4 v. c
3 V+ S: T( q7 b6 a Turbo Factor |
% @$ ^2 V5 W& D% Z8 `) {, j
' H3 W# ^& v# o| & [& n! F4 [2 S$ ?
Time Between Echoes | ! ~! X( T4 B2 X( ?& K
1 R+ f! B0 ^4 `; T% g0 q9 z
Echo Spacing |
5 s3 J7 N' W D) W4 N9 k
4 e' _4 ~& l, e# s5 b7 l+ k* v Echo Spacing |
% d9 q! B1 r5 f' F! R3 l) i. ~' k7 v6 p9 M* P
Echo Spacing |
7 t. Y5 w$ s5 w. i1 b9 n2 g/ D
% g: x7 V' X0 x" c2 G: S| . `: M, @5 Y$ M$ Y( w0 w: \5 Z
Echo Planar Imaging (EPI) |
) _% `; G+ ^! t6 z+ g+ x7 D B5 p; H* f6 W$ m# g
EPI | $ T6 Q5 [, \& l' o" ^' z
' u, i9 o M. l. a3 G
EPI |
% `) ?3 `7 W& F- M! y7 r {2 p1 J
" R, w5 E! ~" Z2 X. a- \% Z EPI | 5 o4 \: q _- _, M. }0 T
& i8 A% ]6 F6 r6 ?' i
| 2 }5 r6 l8 Q; X2 m
Number of Echoes | 8 @7 ]) V5 b3 f
8 q- j- c9 U: x2 \) I EPI Factor |
$ w' l$ Q8 I; z+ \8 ^% {% ~0 H! k* N$ T& W% M! `
ETL |
! ^# p# {' j4 l1 @: w O3 ]) v+ [$ o7 X6 k! A, _4 U, ?1 e+ w
EPI Factor |
; o# }9 S" f$ ^6 I/ ~2 g( a* _* e. C
3 D2 A( ~6 I9 Q' R|
h; `3 f4 l8 [- ~ Time Between Echoes | 2 F3 u. j F, a; m4 _) b; j
. h. B& h7 ^1 `- T
Echo Spacing | * @1 E9 d0 @/ C8 M; `5 c4 J5 v% X
9 V; @' a4 @- |6 c$ _% V, Z
Echo Spacing |
( l' O0 ]- ^& h6 L5 j
; i9 L! L3 r# M/ \, | Echo Spacing | 8 ]: C) r& |# m2 T: r
* N9 [* n9 M2 i; k6 w3 u5 U
| 4 A( ?. L( ~$ }1 I' s
Turbo Gradient Spin Echo (GRASE) Sequence | % ?* X# U' Q W2 @, ?
6 T4 w/ r* w9 b7 N; u
TurboGSE, TGSE | 8 y/ ~8 _+ ?/ T9 L: z
' b# d& G$ e2 _6 s - | , A& I& @7 [- k6 H+ i, ^8 x
w+ u( p* t* W, T% ? GRASE | 9 ~9 n9 W! E d/ q7 c+ H1 G
2 j8 {. c9 K& [" K" q9 R: [. j|
# ~/ u; ]# b$ r- x, Z Parallel Acquisition Techniques | 3 U/ [9 ]8 j$ J d( \/ f. K. b* H
5 j0 I$ P) ?1 r! T
iPAT | ; Q7 I, j% z8 W; a' ` r1 t8 |
. l# p& k" ~ z" A
ASSET |
& i& Z! ?8 V6 L% c
) I. b) @3 K1 a6 s8 z" N* v: t SENSE | 0 j& l# h% N: f3 A! F; S
' D4 t4 _, T) \- ^& c2 k' F| : H% Y# ^5 [+ z( x. U/ y9 r9 B
PAT: image-based algorithm | # Y+ r V, e) _; E' C
% I7 ?5 l0 P: H/ m$ {. M
mSENSE |
. v4 Z2 E7 x6 Y8 p' s3 H7 q' q5 X0 `' i, E7 r5 |% k; g5 {
SENSE |
) y* e1 i5 V# |( k! z% @/ N/ i0 |' f) |' ?, F
SENSE |
2 i7 o: |6 j+ j2 L, N
. Y) R6 x* G2 ?5 E9 h c3 ]8 E+ Y8 J| 6 r( a9 B/ w+ c' e$ f) K+ ?. e
PAT: k-space-based algorithm |
; ~: N3 D7 N# w3 M2 L! L5 d
+ U. t) P ?# D- f5 p' A6 \: c* Q( T GRAPPA |
7 Q/ P( e% e9 r. h1 T; S2 t
6 A' R a+ B/ d: f7 L - | + U7 s2 d% y; c4 g' V
: x+ w; z' K+ y - |
) F" N5 s# A2 Z! [( O% V( C! J8 w0 |2 x4 K1 T
- F4 l% B- W( l+ i4 E& q; k- P
% V4 w# p; k" V8 H a| & z( a; W' z$ F! ^
Sequence Parameters | / g3 L) ]3 F5 }1 ~
7 O4 Y1 a p, d$ @+ N: b, I
| 6 @ ^! p% c8 G' v! ]
Repetition Time, Echo Time (in msec) |
' t. E. P5 X6 u1 Y: d+ Y! f3 b: L# ?# c6 p
TR, TE |
6 W$ D; B; G4 x8 o" ]6 d' Z0 t+ f* A5 d8 V# }* c: s; W
TR, TE |
. ^4 m. u' s5 W, h: i/ m5 G G8 e% Q- g, {5 E
TR, TE |
+ a- p$ ^( a: ~% e" ]) ^
) J- F! Q3 Z/ g" u( ?|
% E r; {' W: v" L1 w Inversion Time (in msec) |
+ J9 J4 \2 M+ L- L, d
! X0 c ^5 K& e) y/ G# H. \* j/ R TI |
3 r) T* f( `9 T% C, E! O6 f7 @4 M& t2 d: a2 Z3 Y
TI |
3 g2 r) L5 T, M+ i( T( V1 W8 h& l* h- f& ~/ {
TI |
& M, F( g z( u0 k: h7 T
2 A# b/ q5 R( ?# ]# ?|
( u' J0 u& ^' A& i( x$ u6 n6 j; L) [5 w Averages |
* s/ {2 H) `' T1 _2 l) J$ u: M# N8 L& K; C
ACQ (Acquisitions) |
% I) j8 I, X6 X) M& v5 W$ [" Q" A8 k
NEX |
+ o0 u0 N1 G# ^$ A. U3 R7 A
7 M p) R/ f- |0 Z/ x NSA |
/ g( h; |0 O7 Y$ U. u% I6 J& Y+ a! O2 Z. |5 _( W
|
/ T" y' U& u' a' A0 _! \ i# p7 r Simultaneous Excitation |
0 x. M2 \$ t9 g/ a1 B3 o
0 d) C8 i w; o4 t' P* g; C Simultaneous Excitation |
3 M5 m( ?+ t) r! ]3 X7 w4 u% w
. n, Y* K- t4 L0 U POMP
2 F9 C0 O1 h+ t5 I3 r7 ]& X(Phase Offset MultiPlanar) |
% A2 U+ G7 k7 T- X$ S& H5 W L8 `2 _3 k; S9 n6 ~: M' o
- | 1 I6 N- a, R0 w |
$ G+ W/ Z# m* v- I' o
| 6 b# `0 Z1 e( A+ O4 z
RF Pulse in Gradient Echo | / R" g+ ?" S$ @- O: F" Q
1 o# [2 w; \1 g# s R8 p3 c# I3 J0 Y Flip Angle |
4 |! p: l3 c0 W8 G9 a+ U- n. P8 x$ E% C( v8 {) a2 z8 |$ [
Flip Angle |
4 {+ `# ^) o+ K: x1 C. Y
& O' p6 x1 b* q1 Y% O' f' f Flip Angle |
9 v$ X) {2 |: A
" n: v' |0 y' u: F| % V8 I p& @8 y+ [8 E1 n0 j
Scan Measurement Time |
7 e% Z% @7 F0 \: ^; ]- N& F, q7 \& o [) o1 }# B+ M; ]5 e
Acquisition Time, TA | 7 Z' Q- \+ g; F( s% E5 J
. n+ [0 z3 X" {: s Acquisition Time | 2 h3 b4 o8 R" ^+ N) O: Y- e. Y
3 g* ?( H( w) d; ]* ] Acquisition Time | 6 @0 \* q3 b- j/ _$ M) n
' \. \0 A6 d( b! o7 S8 Z| ; Z6 K" g+ v4 P3 ~
Distance Between Slices |
' y+ I& H+ E- K
1 H+ n" i8 j% g; ?; {, u. ` Distance Factor * t; S* `% E! k& d
(% of slice thickness) | % y/ l+ p& o% v9 U
. m( U, O* k. V+ l3 ^
Gap | 8 J& K8 B6 |8 @
C' [+ v, w$ C: [& j
Gap |
E" J q" j- D8 S6 u T2 w
: m) z4 {; U6 Q4 W| # O- q6 H' ~# ^9 t1 M% w
Shifting Slices Off Center |
# O a6 ^2 v3 ?+ l& V6 s8 A9 x
9 n0 X. S7 u+ `3 x% M" i$ j# P Off Center Shift | $ v0 Q5 S% D, [5 K" ^
+ L: u; B9 {5 d8 J Off Center FOV | ! k6 E/ U8 G7 t
& [! V) P$ Z% u' D0 }( X Off Center FOV |
: O) | T! t' E' z+ u9 F) k, h6 x/ F; M0 E
|
/ J+ `7 x4 }( _2 |9 L9 o# ~ Field Of View |
3 g3 r9 X& W, R7 J# @" j7 H8 |) D8 j+ Q5 L7 S: ~; e
FOV [mm] |
( [# T K5 G' H. O4 Z) A$ I; s5 M( s: d ]; ~3 l9 w
FOV [cm] | " {* X) ~1 }( k6 a% J
, h5 U8 K- u8 C3 B- s* a
FOV [mm] | - P( R( ^/ n5 p1 ?
5 N4 ]- f- B2 W# u8 t8 J7 T$ {9 I|
$ V: @6 M& s+ c Rectangular FOV | $ s. }( t$ K" y/ Y% g8 C0 F" p
* _% d" v# @6 f- Y" h
FOV Phase/
2 B' m$ S7 b$ G& M" G6 i. FRectangular FOV | $ E7 |/ D# l( c# w B4 }
* t8 |% ^1 ~/ w0 T* d Partial FOV (PFOV) |
3 B6 p+ N \7 v7 T/ p. e# M/ I4 _( m" @5 D; m
Rectangular FOV | # ]% a! H* @$ q
5 h( {% n" c4 }' | B) |! D| " e+ i# I+ ~/ Q& p) e: W
Bandwidth |
; d1 l$ U* S% f- K5 |3 F- r- W5 L
5 Q7 |/ G1 G$ U8 a* p Bandwidth [Hz/Px] |
% }8 z4 x c; L Y8 @9 J0 o- `) z; W- ?1 m
Receive Bandwidth [kHz] |
) a& K7 T$ t1 w! E
8 ?! k2 G4 R" G* F: i: H Fat/Water Shift [Pixel] | # K5 O* _' A8 e L. z
( ~3 }1 O k3 A9 R|
1 r+ \5 K \/ z& U6 A: h- {% I Variable Bandwidth |
" D# _' g/ s, |8 A. A: g1 X. c7 h l$ T* A+ U9 T/ h
Optimized Bandwidth | 2 s9 w6 Q' ~- o2 \7 @
& E" E5 o6 V5 U/ \3 i2 Q4 q
Variable Bandwidth | 9 J+ J+ V- J+ v' v. I! \) [
$ x7 ?& C3 G% i N- A/ m% V1 _ Optimized Bandwidth | 4 s; s' m+ D; V9 j' L1 ^
6 z- O T+ B. H9 l, z- P$ K: Y* ^
| " O# \, L1 p$ }* \$ h4 Z: ?3 J
Frequency Oversampling | ( A" N4 E. k# h, L) V8 I; @8 f/ @
3 `5 w* k& Z) `$ O Oversampling |
" {" J# W, V' G! m# W
* g! F7 o, x1 i/ `) w Anti-Aliasing |
5 [/ |/ s3 V3 D/ `) `2 j7 N5 o! j4 \/ C, b: C+ i& _, S' @
Frequency Oversampling | : V9 J% F8 c, q/ y9 G; [
/ S. t* o9 b6 m+ ~
| . E# Y- }8 e; Y( ^2 T1 e
Phase Oversampling |
8 F4 J5 H# J4 q5 C9 q" I, x( T8 u, A
7 H* m. a% {$ ?) O( L Phase Oversampling | / b3 \# }# B( o$ M
3 m5 W) ]$ |2 m" w1 N1 @- `
No Phase Wrap | + Y0 h$ ]9 `" s t( y$ U g! H" R
8 F1 h$ J5 @! e" i+ Y+ j: |
Fold over Suppression |
/ ]# F" q- [) S! p. Y3 M z' c% w% h1 i! O
| J8 w a' F/ J# j: t3 n
Segmented K-space |
# A$ n7 _- j/ h% D4 L3 ]& o! U3 y3 H( a$ `8 Y
Lines/Segments | . p" L( P6 L5 n! y
3 C* T; }! }" O# n Views per Segment | + h' @- s- p0 s1 _
z- }5 ?5 a. K; }3 o Views/Segment | 0 G3 Q. M3 j9 q4 F- o8 a) p
, E# [/ ]8 ~8 [3 X, u% x2 R I| 1 X: q# z8 q# f. x" H! e7 M
Time Delay/Block K-Space |
, S6 ]1 j3 |! l3 W& t3 V2 @) v+ s/ `7 z. l
Time Delay |
3 m3 Q# Z9 Q9 O' ~( j" }
# U4 T: g. n: }* l# u O+ u' U Intersegment Delay | 1 V5 f X/ C! |- l0 A/ b9 h
. p: o3 x( M; F8 J+ G TD | # v, R- F8 R8 H3 \5 R4 t; g4 y4 f
' z5 L1 L' S& U: S( x$ W| % d& k$ X6 |: ?- j% R4 d
Half Fourier Imaging |
& N0 z) s* g: n1 g* z" w) j- w, t7 E& M/ |
Half Fourier | , ]* X& U ^1 Q
# j) s- c% R# X6 ? 1/2 NEX, Fractional NEX |
' P" x; ~* V. m+ E M/ q- G" B$ k( `+ H) q$ I+ t
Half Scan | ; l' [3 ~/ W- ?' h6 ]" U
) S0 W9 o7 d0 J+ H
|
0 S2 c3 p/ M g) m# D2 z Partial Echo | 5 N4 e; A u" I/ l3 C5 h G6 Y
5 ^/ L$ c3 n5 z/ t3 I* y Asymmetric Echo |
$ u4 e# q+ @9 _3 t+ u4 f
" D! h6 r$ |6 Y4 j Partial Echo | - g0 g9 T3 M9 p$ [4 o5 s! p5 v
# I3 Q h& M- H- I) H* @
Partial Echo | 0 L3 a" E& u* @6 P$ S/ d
5 e$ Z1 j$ a9 a# G# M8 O: |
| ; e$ p. D: J. a% Q3 x+ y. `8 ~/ A
Gradient Moment Nulling |
8 m, h6 ?1 J5 c0 x u2 u& |
0 a9 C$ a8 E# v Flow Comp/GMR |
) x) c% e7 W/ W# S# A! t& S8 Y2 p4 B3 L
Flow Comp | . p3 M+ t- y* b, `; }
- Y# F* O- A& T7 ?
Flow Comp, Flag | % w% x1 X/ D" W$ t# A
+ g* S: U3 G) T|
5 H0 v# D( N @5 n4 a4 K Ramped RF Pulse | ) c# l, H& c$ {1 V) J8 Y$ r" p
2 B! F4 _" m# M; N( X TONE | ; }' ]- r; Z3 j; Q
' c( g0 Z7 m& |' L/ B/ t Ramped Pulse | % a( \8 W* E" J1 z5 U
, r1 l6 v [' A, J4 q" _! g* S TONE |
- Y8 t, K$ O# S8 V1 T3 l$ i+ e0 U# p( ~7 m6 J* Q* D! y
| 7 \- V( d. P: t( i2 {/ G* k2 a
Magnetization Transfer Contrast |
/ B) O+ M( }8 u, X/ b
/ j; c( R5 W. ]7 l( ?: b$ B* _ MTC, MTS | + D1 W: |) }5 U. M0 c: H
: D/ c) ^! I% y
MTC | - N p" u3 U1 p0 }8 B+ w0 l: L! h- t
1 H; A# l4 q$ l) H& S$ }, B MTC |
+ R2 {) J2 S- L: |, { X0 J2 j- ]2 Y, e: R
| 4 T6 w: g0 f$ s
Prep Pulse-Chemically | % k5 g: B. l3 a1 P% C
8 U" y8 i2 X# [+ ]1 \3 A. d
Fat Sat |
9 C: z, ^: L) R b& O1 w* q. w U9 v" @, O
Fat Sat/Chem Sat | - l. I, B, u0 k) m ~
+ c: t7 o$ \9 ?
SPIR |
! l7 f/ k/ G8 |$ h- d4 [4 A8 }) e, W' j
| + `& k; @1 A, y. p) Y. `
Water Excitation |
* r3 `0 B3 B8 ^5 ^ ]) m I3 P0 J' y( l2 Z' f/ {5 E1 P
Water Excitation |
1 w2 }/ V# q, e/ M9 F
! X( E8 R+ j! \3 a1 z$ k' a' t - |
( ^& k' M% l) ^: m# c' Y
' _$ {- D- B4 Z6 b. L) K( c Proset |
) J! Q( a( e3 W* \8 k0 @% \% C& I+ x' _! l2 I
|
' E2 n3 S3 ~$ Q Prep Pulse-Spatially |
K0 f& w% [7 a& S7 T
3 ?. K$ e% I5 F, t Presat | ( s" `" t5 z0 ~' U1 A9 T
3 \. f3 u ~, H8 C, ~ SAT | ( V+ K* ^6 ~1 E5 ?, z
# D( l2 ], x# @1 P
REST | / I% ^/ ^5 S: a, b. Q* w, q1 h
% R2 P8 s! J. Y. o| 6 O- ]1 [& [/ k
Moving Sat Pulse |
+ x& E$ A/ h7 s5 k& G
8 b- f' k2 _% F+ T8 g2 U8 q Travel Sat | * O* T4 } M1 p) V6 V0 M! y- P% ^
" [ y/ L) f8 H3 ? Walking Sat |
) B) A6 E3 M0 G* ^# n$ I) n
2 ^* a2 H1 u" } Travel REST |
" p. I2 {0 ?7 |* J1 M+ J6 P
2 f$ A$ O* C# M" S- i7 @| ' \5 j( H; H' ], g. R7 I2 P
Image Sync with ECG | + ~8 @- I1 P( O3 @3 A2 A
; }# D% g2 X; l. R ECG Triggered |
- N) p, F( r- C* Z j
5 f9 i) Q1 [( H+ t/ p Cardiac Gated/Triggering |
3 X/ {7 B' O' U5 _% b% M$ R* ]% F( C! v6 C& W
ECG Triggered/VCG |
$ e; a1 h6 L3 f& Q* X% h
/ m/ ^! S8 W/ U: U. z v; R| 7 c9 S& x7 d7 L
Delay after R Wave |
- Z( T+ v) {/ J7 l6 `+ _$ h2 k7 q' x8 b6 t; U0 R
Trigger Delay, TD | ; r/ C, y" A N1 ^, C, m3 H, C
9 }* j, K/ {+ A, F7 C& M: | Trigger Delay, TD |
; k: }# X" e$ u2 A1 n, ]3 E t) p) d5 d4 s- l) A y
Trigger Delay, TD |
) ]5 m: R" x2 D9 ?8 x
6 P3 n V, ]1 N* w% A| % R8 R1 ?# i6 G+ A( v& H
Respiratory Gating | ( g6 D+ w: m6 P3 G P9 x; f3 x# E
, V4 O7 @& F3 w$ I) d
Respiratory Gated | # {) Y7 j [: b) d! Z$ H1 a3 `5 K/ v
- h- O" T7 \5 I+ V% F7 @: y Respiratory Comp |
2 n- J$ A# K* K( L7 w1 \8 }8 U
) U# _3 ~( T! l. w8 m4 w0 H Trigger, PEAR |
" U+ j; ?- o# ]# z, J; K9 d ~ o5 h9 l
| ! P2 G5 Q' W9 ~1 f$ F5 g/ a
Patient Orientation Sequence |
/ V& y( F+ n0 _$ V: E+ X3 O
7 Z" x* `. j% y1 E# Y N Localizer, Scout |
0 K) n+ R# c! P/ s1 J
8 b# F- V% I8 `% G0 _5 b1 b F: Y H Localizer | ; B9 p9 N) R- W& F
3 j; X; b7 Z6 ^6 o/ Z4 l! f1 o Plan Scan | + u4 Y$ T+ o. W/ W4 A7 t# C
- l3 p0 J+ Y+ |8 [ T7 C% q| 2 I$ f- D% U3 \. r6 c
Contrast Bolus Timing/Visualization | ! g$ J2 e1 B7 y" }2 i$ [
+ h# e) t, I9 T CARE Bolus |
3 A: |" o9 p6 L, j8 r8 X* G O% \+ r
Smart Prep " q @# Y5 x) w" O9 D ^4 ~% `( M( b
Fluoro-Triggered MRA |
( j( Q0 b3 b; P) N1 m# V. z9 t: u: @% B
BolusTrak | 本转贴仅供本版学习交流。作者若有疑义，敬请告知！# \# r/ A' j, {
[此贴子已经被作者于2008-6-5 9:37:51编辑过] 5 {: R9 d; _0 Z1 z6 o
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发表于 2008-6-5 09:19:41
