|
|
) g. V9 H1 _1 B; z/ c/ y: t
1 z' X* v4 x4 ]4 a! E' ~# ?( @5 O& S& J% A) g1 ~; ^% O
| & K3 Q( y w! j; ]4 S3 c
Sequence Type | 8 T: N2 u3 |+ T+ H; A9 r
$ `9 a& J, B2 M9 g
Siemens |
2 A2 `( J4 C. g
0 D5 ?6 W2 i$ _9 D2 l GE | 3 z7 Q6 ]9 }% `# s; B
' A* k n/ B1 Z; c5 h p Philips |
8 t$ l, z0 x* b' D2 e" o1 u/ f: a2 P! K1 L7 g/ v5 m
|
1 Q: P1 i/ ^, ^# i6 C) V+ w Spin Echo |
& }4 ~/ n' l. O* }8 w" @5 @
; H! t8 g3 U. p. b# A8 N SE | 9 h; Z$ Y# X- r" r8 ^$ a7 |' H9 l% c
+ Y+ Y9 G5 X- @) `$ v3 v; n9 e
SE | 7 V. A U) F7 e" Y* A. S
6 A- T1 h c. t6 f/ K5 Y# s. J SE | 2 E, B8 ?) Z' Q8 Y! H
( U0 C0 z; E9 |* I: @3 U
|
% Y* S" \( a2 m& n Gradient Echo | 8 b0 h7 X; S- W3 F$ S! B" Z( z
8 Y- n6 E( ?1 S0 m" N' @9 f+ E
GRE | 6 d2 Q: P# A/ t/ i/ q4 ?8 Y2 u
+ s7 ?9 r/ @' z
GRE |
1 U* O4 b2 m' x* G+ D/ \% V5 s: I2 R/ X( L8 g4 Z {
Fast Field Echo (FFE) | * u! u- w t& W3 E" D- R0 r
( K, P: i- y, T6 I: G| " ~; ~0 h! K2 m& V' d8 l
Spoiled Gradient Echo | ' J9 e0 `$ T) Q
+ D9 G' k$ O' Q/ l7 F1 C/ T
FLASH | ; Y/ g; [9 O. m% p) E
0 p0 g( Y3 J6 J' Q, v8 Y
SPGR | / D, U- J4 _$ t
( I. R5 @% L" `. C7 g# B+ c T1-FFE |
2 ]& p) L" R5 n: a$ S
8 W! Z5 M$ F8 v- ]0 I| ) A }/ j$ Y, O; [4 {9 S
Coherent Gradient Echo | * }( _% V- d5 h) r! ]: [
$ ]5 r9 Z v0 Y, U* M4 N, G) n FISP |
! w" X5 u- d! X: y4 P0 ~$ P1 U Z8 r9 I
GRASS |
$ h; j/ ]3 b0 a# D$ `2 S6 K8 ?, j
~/ f$ u4 t" b FFE |
! H- f q' d1 T0 t) G1 q3 r- \$ p" y" v; T8 ]: T
| / Q% R$ p/ F6 L
Steady State Free Precesion |
1 D! v5 a3 G6 }
% P: Y9 l" w7 N0 V1 j PSIF |
* W2 @3 N- B; g4 [* Y' I; x* a" h0 u' S1 j% G3 L/ r& t
SSFP |
+ c z# P: }, z( m- z9 k
1 k% A% _; a7 G# h5 w T2-FFE |
- ^9 e& t- N$ O* ?& b$ U1 X9 E$ T& a0 E& }8 A8 q
| 2 G* y' Q R9 m. E( H
True FISP |
+ N# K( o5 B, N4 b; E$ z( z" o
1 s% t. S) _% z+ |& {0 l6 x TrueFISP |
% h2 e3 \3 h" N, A1 _1 r
$ M( [0 t5 }6 {! x; M FIESTA |
$ \! [: g/ f5 b, ?0 K+ }* K3 c2 L4 R0 k5 P: n0 h+ T/ M/ y/ o
Balanced FFE | * I, s0 _: W/ h5 a/ A0 }1 p
2 E. G! y4 e* ?+ P# [' ~| 9 a, O; C0 {+ I: ]6 v
True FISP/Dual Excitation | % R. \1 ~: A& l
1 [8 |) T! |* _. ^
CISS |
) E3 e3 Q9 ?/ V n2 ^2 J) F: E
: P: n7 V7 i4 x/ L% A; P FIESTA-C |
" V# t" {6 u$ s2 T* K: l
8 `" v3 b7 D; [) e: G - |
7 J7 ?8 P8 U) i/ e: j% d0 [; e9 R/ c1 M% j1 P
|
; |+ X. X) V' P/ ` Double Echo Steady State |
8 R' l8 q. G$ j: ?2 C! r% I2 J$ m, J0 h! Y2 Y+ o
DESS | # N' X$ e" n9 m1 |
5 K7 J" i7 w4 P8 j
- |
" ?4 \$ G8 I) v5 z0 z
6 Z) h# _& p7 b) X0 B - | 4 }, W$ O: `1 G) m# ^6 ^
8 _- B# l7 q! K4 x6 J| " K2 l6 X" `6 E4 \3 n; w
Multi-Echo Data Image Combination |
8 z$ V& M Y B% A& [+ n
% Q! g# w( d( X! o1 X0 M MEDIC |
6 |! ^7 H8 b3 P! a0 F8 v6 M1 e0 P6 G9 I8 w* j
- |
# u4 E7 z; N5 o- H, E' D, l4 @: m/ P8 q4 w u
- | / L8 S# E; j' C% a$ N. u* k
* J. K$ b: P7 a& C* l8 `% j
| 8 ?0 T! l9 A7 R* j9 M* Y
Ultrafast Gradient Echo |
/ p3 m4 \! J3 `; m' U4 l
1 @1 N0 }* R4 P' H TurboFLASH | 5 r7 G+ a3 z( S; }7 v
7 w' E' V* F" R# s Fast GRE, Fast SPGR |
1 i- E9 k! E. @- d, X
! t' O. ~' F* D" n8 \ TFE | ) o% |9 g. C3 c
9 p" G8 t3 z8 X& ]|
" Z$ z- E) g! v Ultrafast Gradient Echo 3D |
- P% M. Z( p; E( X
/ J- Z: U. y+ A: k$ S9 U MPRAGE |
6 u- M2 W5 ^! w2 X" D, j/ q4 y; O
% x0 \. K' [5 n- ?& r 3-D FGRE, 3-D Fast SPGR | ) z; r5 g7 I1 ^# @7 ?
. U0 D' s+ T) a. M
3D TFE |
) v' D; g9 U! m! t* \- e( k9 Q3 D7 C: v% g
|
* n- I5 i4 Y6 C! o# ^; N Volume Interpolated GRE | ! R* t% F" l5 L9 R+ N1 _+ n0 \
& v2 c+ H3 D$ r! X( O' W
VIBE |
; b5 a8 \1 m( f0 i+ G s' S* C& F/ q& {
* `4 X) J8 Q) c" @ FAME | 1 W- m2 I& V( E4 ~7 L
7 m3 E" e+ {% E( [9 f3 }$ d. `
THRIVE | $ Z k0 v* d% G5 P5 a; |; e! S
9 V+ f4 D7 ?6 e4 R5 n: s; F* O( j| 4 K L5 |4 G( Z* q& k
Inversion Recovery | + p' p8 c' C1 j( p
, o; N% |8 S8 ^1 S9 D" R
IR, TurboIR (TIR) | 3 N5 r4 {3 p2 i. `
" Q+ ?; ]; m& h x5 \4 h IR, MPIR, FastIR |
/ W: ~3 k9 ^6 z. q" F/ G3 y+ D* ?! L. j
IR-TSE | + ?! I/ C: a9 B
: e% B0 p1 I3 M
|
0 }' B: Y7 `( k" g Short Tau IR |
( T- E- ~/ g5 E' y9 k* H2 o$ j: O! ~; W$ \" c& K
STIR | & @0 Z+ M% U* ]6 d
) q4 Q& O; F. J) t6 C, d0 _& R
STIR |
/ l* c, \$ H$ n1 g! e! T6 P
( Q& n! X6 a( s2 k0 R! q STIR | / z7 T5 e* Z9 V
! m9 ]% a6 n3 W( L
| - j( @* A" X$ ^
Long Tau IR |
: m$ g: H0 T( |; l5 F7 l& Z! X* A' }
Turbo Dark Fluid |
" W/ B9 a7 x: [ b$ O& U! r$ \7 s( n) c0 s8 s; I
FLAIR |
0 A1 T W/ @0 H: b
- S' ?) ?3 Z, _' R$ N) x6 F7 d FLAIR |
" m; B! a7 k! J/ I' w! K) z* f, d0 _ G% u! g' \; N. J8 m7 m6 c
|
, {5 a3 l6 Q; |2 g True IR | 0 R) m: ^& q9 W8 r
) H1 ?& t$ _2 J+ {$ G3 W& g4 G True IR | 1 S2 `# q5 n3 I' v
1 [: o8 T. |$ Q - |
- t. }1 w C( [5 ~) y) D6 V# q# f: l2 K2 y& C
Real IR | ( o$ n5 y; c u, R2 q. n
' h3 h! M2 F9 S/ M3 M% M2 U) @| . H5 u' R6 ]* z3 {
Turbo Spin Echo/Fast Spin Echo | ( I. b* n4 i+ o+ `" i: j
( \5 `* w3 I" D; v TSE (Turbo Spin Echo) | - H i0 @3 b' S7 X
& [' f7 i" c2 j FSE (Fast Spin Echo) |
& j) J% K7 x9 [& I3 f: j* t# E0 e, w
TSE (Turbo Spin Echo) | ! d3 |' A' [" b* {% X* R, e5 c
' y Y9 V% i$ h( c- u) W& k
| ( v8 O7 S# |- H
Single-Shot TSE/FSE |
" e. ~0 D( ]$ P/ b* V% A/ E1 ]% D) D! h* Q4 B
HASTE |
: h( e5 r) F/ ?& f0 C: j. `% D5 W) V, K" F
Single-Shot FSE | 6 x3 ~0 u$ ]0 J1 _- u# t" U" T
, x: f* ~# u7 M, h( L' a Single-Shot TSE | ( _' K$ \( J1 {
. P$ X7 {8 [) f7 r
| ' \! `$ z/ K9 E. h( q; w2 i" g: d) N) B
FSE/TSE with 90° Flip-Back Pulse |
2 r8 l* v" u6 w$ r- n J h
" l( u8 r1 N$ e1 d RESTORE | , x3 u; @8 p( e. f8 T0 D& v
6 P2 v$ }. _9 h# y+ i& G
Fast Recovery FSE, FRFSE |
( |; @, _/ T" V. s+ ~+ S+ H% o) j( b. K6 O! r* X5 ^! E
DRIVE |
3 r/ F5 u1 {( M6 D
5 z. N" P8 S' z| 7 ]( J. M. j) Z
Number of Echoes | " M' j8 Y- d, u) c5 a! F1 x
& [, z% p9 U, c4 m7 Q7 W2 P1 W j Turbo Factor |
2 b3 a1 ^' g7 ]0 v6 X( z' B3 J
Echo Train Length (ETL) |
: r- v, d+ x2 @9 D
) k2 X J/ A; O# ]! T4 a Turbo Factor |
, E/ e- M+ d% [0 R3 q8 m/ z( B! y" {& A& l
| 3 T$ o; m5 W0 B" S4 k, J
Time Between Echoes |
+ G, {2 Q# E0 P" D* l- G, i8 i: {: P, L4 V+ `9 `8 H8 ~
Echo Spacing |
% ^+ K) x( m5 L& X
- B7 r3 F; y8 t9 e/ t! n1 o' O Echo Spacing |
' ` s+ V; M3 s4 V+ j/ ]
+ U/ J/ d6 O, o& Y g* _1 g% A. r# Z Echo Spacing | . |7 G& s2 q% |! w9 U. a
, H$ o% T+ f) h) \|
# ~' }& |% N! [( X3 u& a! D Echo Planar Imaging (EPI) | 2 a; o& t$ H# o) Q) [
5 e1 g( O9 Q" a/ O1 T EPI |
# m; U1 G! k5 Y6 n w
% @) `1 m; W# u1 u. p) [, X$ c EPI |
0 F. F7 l7 E1 G6 _2 |. `1 p5 z: P4 d
EPI |
* _8 H' X5 [ Q3 j& R( `# i7 f( P; Q
|
9 @1 h! B) J) j3 W Number of Echoes |
s+ d% D8 e6 @& b$ ~" B. |) I' Y2 q* q. b
EPI Factor |
8 Q% N: U) c4 K2 Q" u
/ w1 s) {: M# |, c h- U; _0 ~0 e ETL |
( [# u' Y" C3 d9 } t# U7 y. T" j# F% D. n! Y
EPI Factor |
3 s+ [2 F! \ E; r1 W% o
% W8 t2 z% D' o3 J| 7 s& C; y/ z) z+ @( T; u
Time Between Echoes |
0 r6 Q, Q# G. h. I& M/ J7 R9 e5 r. o9 Z( |) u0 G
Echo Spacing |
. m. e* `+ @; M: Y" P) J ]$ v' h, y; _% s0 F- b% X& o
Echo Spacing | 9 K, |+ w+ @' C% i5 @1 U' j x
/ u; J0 R* d7 X, j) l
Echo Spacing | . N* f1 K! M) Y/ U5 n$ _
4 J- r) N+ i [' C% ]
|
( p# @! H4 o5 ~/ v7 W' a Turbo Gradient Spin Echo (GRASE) Sequence | ( y, E9 @# p" \& X7 b. ~ P! k
9 i0 D, p. j, a+ d TurboGSE, TGSE | 6 q/ [ W) s6 F5 D
# W6 s" b* q8 Z9 F5 J
- |
/ L- ?6 s. f" r& U- Z
/ u: r1 l& \ i# l0 i. T q; Y GRASE |
+ y6 `5 ?. \0 G8 R8 e5 j
( u3 y8 v1 g$ N| . V5 T1 R( X6 w) s; T
Parallel Acquisition Techniques | ' u% ~% E. ?) q0 `: S, _
+ e: \4 g$ c( { @2 \' ~
iPAT | : z2 M" W. e6 Y# L* r, R9 m+ X
8 Q$ T+ G4 M3 n5 t' a ASSET | ( j( k. }0 d0 V; k
4 M* k; a7 A3 H# ~. n
SENSE |
8 ]8 h9 a; V+ e u3 z8 T: E5 I, y9 E8 t5 \! N
|
# H5 {8 ^; _0 n: y5 J& ] PAT: image-based algorithm |
: p3 [4 R$ o( t$ ?: h2 W& P: ]& I6 o& m% \4 o6 F5 h8 E, S
mSENSE | 2 Y8 D& ~- D; _
. [) f3 h8 T; y; |6 R3 ]
SENSE |
2 R; M8 Y: N9 Z: H" `# X6 `
" O G8 Y) A0 ~$ w4 z6 [0 ?: K SENSE |
! u/ J+ Y, {; ?, J. r$ a* E# t& B
|
2 O- y/ U# h( [; A( W PAT: k-space-based algorithm | " @( K# P J/ _
7 q7 s; e/ X, A- R' a( j2 d" g
GRAPPA |
( s# t& G% `+ q( h6 n1 y7 U# e
& A* C/ b. [7 g1 Z9 m - | / {" y/ D+ l' F& c# i6 n4 N
# i. H# @% s. b/ c
- |
. D, k8 t4 R/ C- A5 t! x2 u! Y( d
9 \# `3 U/ E1 W5 X+ ~( _5 b7 Z5 s, {
' X! j% ?, e! K
| - O; I9 n4 y: A9 Q
Sequence Parameters | $ `& Q* u. J- G7 s, V! P2 d( Q
/ i* J! K5 u) s| ; k' H, B; D$ t, C- M9 f
Repetition Time, Echo Time (in msec) | 9 J+ F, `. p1 Y8 u. M( ]8 h3 R' Q
g0 w7 S# H7 a% a9 }+ Y TR, TE | - z/ T$ M ^4 [6 g
8 K2 E6 P1 {) z% n$ l" U, {2 v$ L2 [
TR, TE |
g* l1 P' _: ~4 F
; c+ T# {8 t; y7 ? TR, TE |
! O+ x% R9 }$ |* F9 ~
! S5 w7 V% J* y/ u( n|
2 X( O% V0 z% R2 S, ` Inversion Time (in msec) | + W( U0 V/ O* o* T5 b
N9 i5 H& s9 a6 V D3 X) E
TI | , `8 U# M6 j4 g, |, S+ |" b* t
+ M+ E, T* {$ a3 g# y
TI | 3 p) ~6 D, K7 {0 L! n2 p# O. l' @% Y
: a6 f1 I, F% Q7 D3 A- R0 ~. A TI | 0 z t( i* s1 R6 q% ~
, Z+ a4 Y4 }# P" u& a3 L
| 5 j2 R, z& F9 r+ B6 }+ P/ x
Averages | ) Q! A( J( ~3 L6 n- y K
0 @% T' Y# S( \+ Y5 w ACQ (Acquisitions) |
, L+ Y6 I% ?% q1 T- m0 M5 i( S/ `7 C; d) L, o$ n
NEX | 2 }- g; [, h" n( N5 v* L! _
) j6 j5 E+ P$ m' A7 i- v4 J* S NSA |
" ^% @( k$ f2 ~, j7 ?1 c5 z0 j8 l1 j
|
. _' V: s* ]) v( Y- Q Simultaneous Excitation |
6 B6 E. C$ @$ ]- Y' G$ A% Y7 E8 o+ K4 I& m
Simultaneous Excitation |
1 d- A2 x: |/ N: n) O( W: h2 V
/ l Y4 x2 s* E, G8 H7 V POMP
* z3 r1 u8 o" y! ~0 ~(Phase Offset MultiPlanar) | 9 f- V; `. _# t: f5 S% k
9 l; k) |# z6 R2 ^$ D
- |
+ n' _, _, U% r! E: `5 T& j3 P+ D( u, d" ]2 n9 e
| ( u' f) o/ s# ~+ v# r" k8 p
RF Pulse in Gradient Echo | ; {" d6 B. L h1 w
8 ~% W- h6 @! N
Flip Angle |
2 ~8 {7 }5 _$ f( \) r1 j8 _
" g/ X0 U0 g* H: K. I4 c Flip Angle | ( _' d4 T" {) N( D" ~+ n
8 s, ?: ^( ]& R% l6 f Flip Angle | : \1 k9 c8 ?+ d; u. K, M& z9 }
- }% g: ~9 o5 n
| 2 q) n: u1 C3 p! [
Scan Measurement Time | # {+ Z3 M: ~0 E
# T( Y& k/ l! f7 n( o Acquisition Time, TA | ; E: E* t$ M, o( e
$ L. F1 W6 T( @# A Acquisition Time | 8 i/ I9 W+ Q5 z8 Y! o2 G
& l, P* J7 K, D/ S! b, m5 X Acquisition Time | % D" U) @( f( Q) ^
) `1 g7 `6 {5 K. k+ b
|
^( A1 ?& c5 W" K$ E Distance Between Slices |
) M6 o$ [+ s0 ]" k3 r7 j0 K: D/ O7 B7 d J0 m) f
Distance Factor 5 r7 ^0 O( a3 Z2 w" C) o
(% of slice thickness) |
3 d* n$ e! e. u* d
/ O$ ?% P- Z& t' }/ ~ Gap |
! @/ Q1 N4 y$ s/ W' t, D6 d
7 ~8 l2 A' H! M Gap |
& y. m% U$ p0 S" I" U+ R2 v, N8 ~0 ?0 C5 P4 w" E+ T
|
r3 ]6 W! w7 {6 K8 x3 w: e Shifting Slices Off Center |
4 I$ p E5 C, O0 J ?. t; m2 k7 o" o# Z; _$ L& Y5 E6 R: d
Off Center Shift |
6 o/ r i6 I( T, Y* O+ r4 B# [7 ]* s4 X# i3 W7 x; x
Off Center FOV |
6 s3 U) M3 z; c# h( r
+ Y. M1 n8 ^8 K( O8 W7 e$ N' M: H Off Center FOV | 5 l2 W; ?, _& f7 c# u/ q
5 R' o- x# k8 F7 L5 x J+ U
| ' A! S! }) _& U; p8 I6 L+ f
Field Of View | * j" n) C7 {( l7 o! ?
p1 `( I/ [, i2 p ?& |. m2 N F
FOV [mm] |
. L% j) F! U* ~. c/ K& n
. j& B3 \. k3 c+ p6 J8 `* M& ? FOV [cm] | 7 |8 Z. N" A- h2 Z' |
# S$ ]$ F1 m e
FOV [mm] | 6 G _0 V2 P6 c+ @; \( ~! W0 H
* F+ o* K, D4 M) }/ z$ ||
7 _; z, i5 O9 w8 C Rectangular FOV |
6 C) N) Y7 u" K& p0 t/ A q: _- C! O$ i) M8 E# d4 `
FOV Phase/ , l& G6 ~0 T$ C# U
Rectangular FOV | ( l' ?) k0 e" F
# n- o7 A- P" y7 Y) g6 n8 L5 p0 d5 m Partial FOV (PFOV) | ) l6 R. C3 z* ?+ z% d5 e
2 L6 h$ |# m% V" S
Rectangular FOV |
1 s4 Z3 ~, M y) G1 h! W3 ^# {, y, h" I( d& d" B$ i' {4 Y, }
| % A1 N" u, R2 _# q5 y
Bandwidth |
0 _7 k' n* U( |9 E" n. ?3 d$ X5 W* ~1 ?/ W( o$ p
Bandwidth [Hz/Px] | : X- C# U4 s* ~5 n/ ~, X; }
! A3 l$ V% |$ j0 a9 n! q* r Receive Bandwidth [kHz] | : U+ ^- B& l9 B! \$ w
( f; w& r( ?/ |3 f0 P% i, @ Fat/Water Shift [Pixel] |
0 ?- {7 B% W+ j8 [9 L' D2 K) {
' r, F9 R# v8 E' e9 p( O7 s| 2 o0 N0 l: O& O4 C
Variable Bandwidth |
( t' q! ?$ f8 {8 \/ w, J( D$ w- `: }0 b2 l, I) G* m9 N
Optimized Bandwidth |
4 |$ N' C( M! [7 q8 @, t! i9 U
' ?7 f7 Q$ f; F2 { Variable Bandwidth | $ Z4 C( S n& w
7 {+ {( F* O S7 P0 r) [0 Y
Optimized Bandwidth |
0 m* \( Z- Q7 a: N$ v$ [2 L+ t6 m+ N1 s9 ]
" B7 r3 a: @$ w|
4 m: I: G- L+ ?# d H/ l ^ \ Frequency Oversampling | 3 y7 e8 h/ t& ~/ F' u
! L- u( Q) o% G: `
Oversampling | 3 d' m1 f4 ?: m" h+ |
$ Q, X; c9 C3 m
Anti-Aliasing |
+ j6 d8 y m9 Z5 z, i- _; f/ F# I% }- C& \4 t" E
Frequency Oversampling |
, T3 M4 m0 M" b! G& x/ m4 q9 d5 x1 z. N( X
| 2 V9 h/ w" P w. Q9 p3 c
Phase Oversampling | ; q1 g* ]' O/ d+ K @
6 H' m+ p$ d2 h: j% k+ d4 r
Phase Oversampling | 7 {- p( }: {# E- z S* @! m
9 L* G0 v7 q8 B9 ]0 v$ o/ Y5 e
No Phase Wrap |
$ x( c+ x6 o# _3 D4 _$ v3 q; Y: T Q2 I X6 g5 H
Fold over Suppression | ! x8 J$ _) N' I, I
: u7 Q9 j/ R2 l% W2 Y$ ~5 o
| ) I- r0 j1 a% H: h- B
Segmented K-space |
$ X) [7 v2 y' w' {
: ^3 _( v5 h+ a. w Lines/Segments | 0 V6 d8 Z$ h7 i7 I* J$ n( O
6 y; @6 I3 p+ }0 q+ Z( W! U
Views per Segment | 5 Z; ^ Q D/ a
4 D. N' B. J m7 Q, g- c; G Views/Segment | * P% f% ?6 a9 G
9 ~1 P* |, Q( s* `|
s$ k8 T) Y8 e$ R$ Q' i Time Delay/Block K-Space | ( c' T# f: V7 e, g0 W
' w+ |/ v. C, J5 F
Time Delay | # n$ {6 {6 y, V m+ h
3 X3 F- E" M- M3 a m: X Intersegment Delay | : u8 o) ?1 ]" M @9 U4 n$ |
' t( D" b, R; c3 C& |8 m
TD | 3 P5 c0 r6 K. x! I' e* Y
4 S7 G# S7 E0 x8 o& V' s|
, l7 P( H% m! Q) w Half Fourier Imaging | * u( N. B# R+ p; n
8 @" @. u/ \4 o: } Half Fourier | " _& Q7 J& e; P/ e4 n# q* ?- F _
$ b1 R- G; u: O7 }! Y 1/2 NEX, Fractional NEX |
1 J3 g, a; y6 x/ l6 a+ ^) v4 {
9 ]0 c7 x. p/ ~) [1 |; Y* a Half Scan | * p$ N D$ ~" K: G' K, U
$ Q1 A) y- i3 `- ?% O% D" P( y1 C|
5 A# D6 C" }) {' u0 P' K1 v Partial Echo | 9 v7 Z: W3 h# s
# I8 X- S+ D/ }) u, w
Asymmetric Echo | 1 o: h4 i& }- @6 ?; l
5 K5 Q9 Q2 C$ j, |4 K* X; I# i Partial Echo |
$ u }+ x0 [3 [; S8 f" B' O( F7 g: s! o( B, q
Partial Echo |
* D" {) T' _$ f
; }. H# l/ C9 {5 }, @* r, E| 2 R# b5 l4 }& e- O" r* V- P$ f
Gradient Moment Nulling |
% R I2 Q6 s" D4 C1 j$ a0 S. P9 n1 w: p
Flow Comp/GMR |
3 J& X1 r# r) F* _; ^2 L. i( L2 \' {
Flow Comp | 3 |: E8 x9 r. R7 S$ f
" ^4 e+ F R% j
Flow Comp, Flag |
0 ^* C/ T# D1 ?* [4 Z3 P+ R0 ?" q8 d: j% X" j9 Q; n( d8 e
| ; \. l% n5 z6 _- a6 m6 m
Ramped RF Pulse | ; Q) W" j9 |" @
: Z9 Q7 Y& q% ]6 z5 G, o9 P7 y
TONE |
1 y/ i1 I4 }$ h! ^: g. Y- V; ~
4 C3 D j0 [1 @* \' Z0 e Ramped Pulse | 1 B+ z/ E U9 s6 i( H, i
7 P" h( [9 G O/ i/ k4 z4 [% x, y
TONE | & b4 J, V: I; _9 g3 c" n
( M- N E6 g# H2 @| + d% N9 V/ h' d" F% K# J6 C
Magnetization Transfer Contrast |
1 G; W3 Z! `0 ]6 P7 o) T5 d# e* x' K4 _8 S! `
MTC, MTS |
# P; H( W3 r% `6 s, l2 o8 R$ L( w3 R% Q: o# m+ X9 K+ R6 {
MTC |
) f% m) Y& o" ~* D! \
: A9 e$ t$ b4 n0 J2 w MTC | 3 i5 H7 I0 r& ~- W) T2 w
( U* l1 M: s5 @+ v/ u5 ||
: o" q+ t7 x2 ]; Z9 C4 s2 f5 R% E Prep Pulse-Chemically |
& ~7 m. o9 G) c# `2 @! {; s1 N" M) x' F/ G; z8 H/ J" u# Z+ \7 {) v7 q8 E
Fat Sat |
1 _* k( {3 p# e% N4 A5 e) `
. u( q8 `8 I, F% X% Y& Z Fat Sat/Chem Sat | " _: l- h& A9 p2 {5 ?) e
. F# T: \& Y- V3 Q7 j8 S SPIR | ' L$ a! ]7 Y; N& ~# s( t6 L
: u O8 D% h; t, p& Z|
! B: r& v2 v- u; `/ c s3 _ Water Excitation | ( \2 k |; h- f! w
8 p& B5 v1 k q! A1 A" R: M
Water Excitation | % |5 y3 n% m2 f+ n: S$ M
0 |. e& |& X1 x7 _, ^% D - | & B7 n' l# F/ Y0 y
9 \1 b C) s5 q b& E+ P6 O, g$ L Proset | & c' j! j$ g$ E
7 Z3 f/ ~4 N; [' N6 r. v+ V6 C| 3 Q+ W& O9 G$ e8 d( m
Prep Pulse-Spatially | ~" x+ a9 e6 W5 n h7 _9 v
) r* x5 a; {# I) ^1 d; `
Presat |
* f u' g* X7 G& p# Y2 e
- M8 k2 a8 F; B& Q4 E6 X$ ` SAT | / V) J- Y3 L/ \* e4 v
+ A U" D0 \; U0 Q; S) ?( \5 a REST |
2 G8 A8 z7 q: H' f3 n" R2 B: `! Y1 n1 I
| * b* o* L% I% H r# c' i. d+ D7 r
Moving Sat Pulse |
- k) \ p0 r- x7 `( d# |% }
- ^, M3 P: h: [' _+ e; h1 }' X Travel Sat | - X4 _: q$ e4 f# w/ X4 i
/ J0 N* S2 z! B6 V
Walking Sat |
; C i2 m# a+ p& h3 ^, Z- G/ W' {* Z/ @& b
Travel REST | ( u5 d' y. D5 r1 c, ]; U
" p7 Q3 K* w1 X9 h! \) U" P7 j| & p, }+ F) C: x
Image Sync with ECG | 9 N7 S! e2 P6 B. T1 b
% t1 m5 [* t8 z1 _6 K3 [2 k. v) l
ECG Triggered | 9 J, X9 G o# F: e. ]: u u' X7 T D
: D' `9 P1 R+ j, \( c6 B Cardiac Gated/Triggering | |2 C+ ^; F7 p
1 f6 E( R+ t$ @9 Y/ g% w! g ECG Triggered/VCG |
' u; r0 _( ^; L. Z; Q: n3 X
4 \* `) g. w/ \+ ]|
% |6 @3 e3 q* k# h Delay after R Wave | % |0 m- d2 A. K6 s
% }6 Y- [6 u- n1 |. l' N7 k
Trigger Delay, TD |
7 c4 `# n( N4 q+ n# l$ K7 T1 N% t9 w$ M# H, Q
Trigger Delay, TD |
6 ~' V, }; G/ ^# @& S
+ Q; g2 P. C; d2 o# S( A$ u/ T Trigger Delay, TD | , A% v E. u8 B D7 ?. b2 @; j* B
. d3 y& T- a r; l) t# k- k| ) H c; l- n+ H j% j+ L5 \/ u
Respiratory Gating |
- i) @, [3 z+ u( G2 H" l; \) ?* j+ `& H* C
Respiratory Gated | 7 A: z6 _3 a8 \: u; V' C& y: W
0 x3 j; N4 s+ K0 Z l" t
Respiratory Comp |
j3 m' q* I0 T" L1 }# F6 Q' j! Z1 s; @8 o; L" T
Trigger, PEAR | 9 ~" E1 i# a, j! s/ D) W
4 I, j2 l( F. l/ D
|
9 t' J6 S; S% u4 O6 q5 v Patient Orientation Sequence |
7 z9 y4 s) @8 E: H* i" P9 U) r) K& Q7 [2 t# _1 {
Localizer, Scout | , L/ Z9 I8 e( H) U; E; u% o
2 p0 z8 W R. d( T' |: _
Localizer | % P- `% V$ F- K) n" w' P, L
2 _7 J! e1 Z6 L7 Z& B Plan Scan | $ [7 r* J' l8 C9 X- }8 S
0 X2 w& ^( p$ o* d9 |0 U" d2 K( I| " B6 N( ~$ i: _, k. }
Contrast Bolus Timing/Visualization | / n/ y, z% e6 ^1 q( ?. r
% V$ {& h1 P3 x E& @3 Q CARE Bolus | 9 S0 r: Z0 r1 p
- M* k; c% ?$ }) k& B* P5 L) P
Smart Prep % \( O+ ` g8 a8 s
Fluoro-Triggered MRA | 4 s2 Q. g7 T; n' S
8 ~! p9 Y; R5 y7 U( S7 T X* Y
BolusTrak | 本转贴仅供本版学习交流。作者若有疑义，敬请告知！. @5 h" u; l$ n2 ?/ @) W
[此贴子已经被作者于2008-6-5 9:37:51编辑过] / g U" u8 S& s% `( x. w
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发表于 2008-6-5 09:19:41
