|
* M6 W# g1 S, l% t& ~# Q3 `' o9 v! U8 z- I
/ [+ S: m3 N8 f# K* W
" A3 ]0 e; B: h Y3 t Sequence Type | % P1 j% y' n8 h/ e
& K2 ]- M* _- z4 | Siemens | . p6 L) [* {) e O2 O3 _) M9 a
! u( T6 W8 v! o2 y
GE |
% x( M. L, i/ h4 Z7 {
' M! `8 x' C3 S# Y Philips |
6 |9 X( A7 m$ b1 N" Q* U. }, a0 m p4 t7 E! V
) U) M# V3 u# {$ x8 x
Spin Echo | * q: F* `! s! A" f. K9 V) F- _8 Y
0 `/ ^* E5 w$ f& g8 D
SE | / u0 @$ D7 o# O! g
& I( C+ d u6 _. \3 v& v SE |
4 y& ^2 c+ ^( M% ?: z" U. |. J# z7 { w; _( j
SE | 9 ?) D p% l& Z9 f$ |
: Y7 m2 b$ _; P4 x; n/ \6 [& g! B, v6 D# B
Gradient Echo |
; ~5 ]2 y5 s3 B, l, i) |7 ~+ ?( d0 M! k* @5 a0 z( r- b
GRE | ' J- F* @; d6 C
, M6 H" H8 N# q( f* A) v! A7 o GRE | ! S& b0 Z* Q1 r( t$ |6 B* U
8 \) a0 C4 h! F4 `1 c$ g Fast Field Echo (FFE) | $ c9 Y: n, P, @: g2 W
4 ]+ i: c$ U& | R# ]4 ?6 s
: k; B3 d- d! [. n" [ Spoiled Gradient Echo |
* ?& ~1 J5 L D4 z
- N- j+ p3 f+ ]+ D9 L$ p' l0 t FLASH | 6 b6 B, X* j1 _- B/ F4 `5 B
. d+ I: e2 G' V5 f, ?1 P
SPGR |
/ h7 e p X4 C7 r; t
4 R1 f% v' L8 |. G0 c% j6 ~& c T1-FFE |
+ g1 \! R$ ~& k' b! F% V/ t# R7 n
; L [% b- Z1 M1 W% X. z Coherent Gradient Echo |
% J. J+ u5 a- @0 b+ a
" ?/ R& O. m: B FISP | : {7 T. x$ [) k4 d+ z7 ?6 v+ t
$ C+ g- z9 K- |; s6 ^
GRASS |
- u; a% [# v$ O2 @, V4 J% Y
1 _% F; \/ d3 _6 n# W* | FFE | 0 u8 _8 f2 q, Q" i- a. F
+ G W6 ?- H* M8 u% p$ T" ?" m1 ~2 p) D# O1 ^
Steady State Free Precesion |
: G& Y# s" n. A4 n& y- U6 U1 _$ Z, `) f; U/ x1 w
PSIF | ; j% W2 F1 J4 Z+ v
9 I/ h# D+ a" m2 i; \6 n SSFP |
$ D' c3 f/ x: _( Q9 |' g; C0 Q; m' D* [. S$ m9 i- M. g0 j
T2-FFE |
{. j; p/ F4 Z8 \- Z! I- v! g4 m4 @0 ^1 G9 `# X
# m2 R" d1 Z. p7 A2 P4 ^6 b True FISP |
' {5 M4 Q* z6 k0 y. m: s
7 I% p. R# A! j TrueFISP | - m, M2 m) t$ |# x
4 k1 X! Q( H3 B0 B% j0 o) [ FIESTA | . O! W& B: M% t
! z6 L! Q- q# Y l Balanced FFE |
/ {6 T: t J, y5 Z' h( \+ D y& `7 F8 ^. M/ [- x8 |4 j
% k. R' i& L, N. u; E2 c: j True FISP/Dual Excitation | : T% J3 n6 l* V+ h- x1 W1 N
6 V; k a! H; f! g) T( {/ `8 y
CISS |
/ Z" M& y6 s# L0 E, [& e0 m, y5 _ j( T7 e5 p
FIESTA-C |
6 v* R: `% H0 u) R4 H7 v! H( f; J3 X4 A' x. `+ ?, V, @
- |
7 ]2 j9 {/ a$ A/ m* l5 S) A' z8 m* y* I
9 w) d+ {" N: i$ | Double Echo Steady State |
) [5 M5 N8 u+ q5 s) c7 z( m) W0 g$ R' w/ G k
DESS | 7 i1 Z) ~: i" c4 _! ?; H+ B, I
. A! A8 Y0 m. n1 f6 r6 i4 a7 Z - | 3 G5 g6 ^: N6 H( F# i; N+ U7 ~
+ G! _6 E& R5 J8 o
- | - n1 ]" k% g/ m y* l- K
1 f; J- V4 }- G; M* x
& E2 g& }, x! c+ g3 h( `; m Multi-Echo Data Image Combination |
9 l* |/ k, d. z+ x- ]# W% Z4 T. W4 _1 g6 H- k0 m
MEDIC | $ B% Q0 b% O2 Q. C. E+ O! x
8 @" R; ^. j X2 p$ }
- | & h9 G% c. T, {* I' y v
% W9 [4 Q6 w; S/ b
- | $ v9 T# d( E6 h! c T
& T& {+ {3 p/ p- R: w
0 l, {9 }' D; t5 P- Q Ultrafast Gradient Echo |
7 Z- D& x: s+ E& `& s, J: a
- l* M) o+ T: ~2 D TurboFLASH |
: \0 ~& u* s# A9 u5 S* p: w
0 J+ l% b" p! _3 ^ Fast GRE, Fast SPGR |
& n* X. J$ _! u" ]( p9 R3 E' B i& Y- a: l: @
TFE |
( M/ l' `9 ]) I- t
1 W: r5 B' E5 ~% O) |
8 E% J Q7 }+ _9 o# ] Ultrafast Gradient Echo 3D |
/ c7 n3 H L$ R( p1 I K. B
3 D. `$ B/ N* F; ^ MPRAGE |
' ` u' f2 [( e" v3 i
h7 d: k- U# E3 @# `/ i9 ?0 x 3-D FGRE, 3-D Fast SPGR | # _% Y4 L+ U# j/ J" ?0 \
+ l* |1 H1 o/ t3 j, s* v5 d5 @ 3D TFE | ( B7 S* v7 a+ ^9 N9 f ~
6 a8 K9 D6 n4 ^1 n8 m2 d$ e* V& T: U7 R6 {, n: B
Volume Interpolated GRE | 1 ?8 N6 o0 w0 q! Y; S/ c2 y/ h
4 l1 {% ~+ z0 Y" k1 ~
VIBE |
m S* Z7 a O# x( }- A2 i5 v) \* c5 G2 K
FAME | / s; v% m6 K+ x" j ~
3 A3 g$ b5 r& R' O# T THRIVE |
# r* k+ V, i4 z9 v; D; f3 Y4 E9 l8 V: z& l- r, c
3 N) |$ r9 ]( M Inversion Recovery | 6 o2 @+ K" W- H8 D. C9 m* f
0 I4 K% @8 V! Y1 h8 K IR, TurboIR (TIR) |
, e; G3 f, S7 L U' N( C" f$ d1 `5 f6 H5 o" ~ f f
IR, MPIR, FastIR | 8 S8 Z/ g# G7 e7 l. Y2 d
% ?1 L4 H" M. |$ i( r, i+ L
IR-TSE |
0 D2 i- k; Q. ]0 P, J3 X4 Y, }# x4 c. d; ]! _; K
- X& j* S7 V$ E; }8 L5 M
Short Tau IR |
8 h- d/ f7 L8 X7 \
: |" Y9 b; k7 t6 c STIR | ! ~- E% d* S* s; G
h/ D: C2 t, H% b K
STIR |
: T# G: [+ I4 t, u8 C# s) `" t, x+ Z& | f3 W1 R' l, G& i9 Y4 c$ f
STIR | % ~6 f" w; b# i4 f
/ t8 J& L- p( g
- ?( Q4 _/ |# B% q# n Long Tau IR | 3 `+ [; t, U4 x. q
5 n9 B6 R' \' `, a; ?9 R4 @4 C
Turbo Dark Fluid | * C: v# c5 s9 _9 a1 z
# s+ E5 M- p. c: ]4 Y- p FLAIR |
/ M0 m) S# K/ J! N4 H) L0 }4 q5 N6 Z' a6 X# N$ b7 a& K! j* L& \
FLAIR |
! p, N, Z. M: o# Q' {
, W; _, u: `9 J9 f; Z. g: C: _( c& s0 O# X, d, h: l
True IR |
/ w, w. b W; a d# Y$ d
9 h" ^$ @* y3 Y9 Q- |1 i$ Q( B O% Y True IR | 7 W5 y# ^: V5 e0 W5 O' u
% R3 F( N9 z+ J! ^
- |
) K- o9 }. p2 z U( r
5 ]! V; u" \6 F+ M; R Real IR | 7 E' V& @. M& j, l
: K6 g5 u2 o! C; ~6 t# i, l% v: m! c
Turbo Spin Echo/Fast Spin Echo | - j* C" `0 w/ B" s7 B
7 K. g* J# u9 I0 v6 {; u) \ TSE (Turbo Spin Echo) | 0 J$ X- _" U) }6 z$ e# A
" w$ u$ f( j3 L1 O
FSE (Fast Spin Echo) | 8 e7 h/ @- M# M: y* {+ R3 R/ g* T. [
2 d9 ]( C8 `% g
TSE (Turbo Spin Echo) | : y9 \2 F. B) h4 M, c
, W, f. T. W2 e( g/ F. ?
# g. j) s* V. D3 l8 F
Single-Shot TSE/FSE | ' T) e$ M9 K, p s
7 B4 D8 i4 w& {0 \* f
HASTE | # R+ T# K6 Y2 n
8 L+ e" R9 R3 \, u1 l! b
Single-Shot FSE | E0 @0 {* d; F% @* U
P2 M2 |$ Z6 O Single-Shot TSE | 5 T" H$ Y2 K8 G6 z$ D
3 x- e9 n" j H0 P
* i: _1 j% Y4 ^ FSE/TSE with 90° Flip-Back Pulse |
7 {7 a# H& S% v, e; t7 h! O6 ^& l2 [* r* Y+ S7 r5 ~! X
RESTORE |
# p' o! c$ H. ~" D; c+ x9 S
2 f$ }- ]/ i7 F( \ Fast Recovery FSE, FRFSE |
9 C5 r! W$ k2 f8 O9 I, [
8 s4 j: b* W7 e1 w3 s! D1 h DRIVE |
$ z: ?( ^1 F5 ~) X# n" b0 m/ b1 X: n$ H
, Q- W1 W0 G8 P
0 M# z9 ]; U: S: B0 q% t6 y Number of Echoes | ; ~4 ]. x& P0 b
* T |: A" v% u% B9 D' f Turbo Factor | ; s) Z# Z; @* r# Q$ s
]8 J8 J }; g v7 [: N
Echo Train Length (ETL) | 4 f$ D1 ~/ @% L! k# G
$ @& b$ Y* o7 n: p Turbo Factor | : g8 c' A( O$ _" _! s' i
# L. f) q5 K0 B$ k9 p. V& ~7 E( Q6 Y; _7 r, S% l
Time Between Echoes | 8 |" Q7 f4 k- R- P, N
! _ ~' V: j- X! }
Echo Spacing | 8 Y, R. U' x$ ^5 q! i" m
- L8 c5 q" K9 W/ A2 C0 S9 Y
Echo Spacing | % y" {' z" p4 d1 |5 v# @
( ~7 ~' k) K1 P" p1 Z* R( ? Echo Spacing |
# m" k- K+ {8 K9 g( Q
0 y6 E; R8 D8 @' U5 z6 w+ T; O
) {# ^8 S1 C; X# O0 B Echo Planar Imaging (EPI) | $ N. P# J. K4 V1 @, b9 P& Z$ U
6 }2 Z% P i7 x, X1 l- p EPI |
" m c: O! o V. C' L3 t
+ v/ B6 l! P) w" o EPI |
! S- d; f' f2 \1 a9 e
% f; P6 Q2 |% V& m EPI | 5 |" B9 X/ s r' y+ ^, q- P
' b e! K& h$ z( Z6 K% J4 w
- ?/ D. k) U$ M Number of Echoes |
+ R; ^ e+ X8 B, I$ ^+ j ?% w6 A: b3 V% ~$ o! K1 R& D
EPI Factor |
7 R9 {( R9 N2 M5 i7 q3 ]8 C& M) v& c9 a/ C: s
ETL |
& a) B3 n+ y8 I* k) K. X2 m/ n) q' _) \
EPI Factor |
0 v2 k& N1 V2 `7 u) o( N$ F4 v( `# l5 z% ?1 `4 P$ Z5 U
$ }* h9 M% m( U- l; H. k) [ Time Between Echoes |
0 E; N+ e3 T2 |& |+ {" A- M6 R
2 ]+ b0 K& J v I Echo Spacing |
]" c& P6 E! n- U! T" m- h3 C
+ Q" T! O! w% `' n c Echo Spacing |
8 f% z% `6 @: ^. D
* X7 L% I# z3 e) [ Echo Spacing |
2 n$ c, Y- Z) R$ m! {" A) y
# O- S" D0 p# ^+ e' ]
, K; T- x& l! `. k" ?2 N Turbo Gradient Spin Echo (GRASE) Sequence | ' d& k: P' _% p1 a% e7 A: }( K
. d) p( h; A8 e6 f8 x- }
TurboGSE, TGSE |
. S e. j9 M1 E0 u, h/ H1 c( w8 O
- |
3 ~( `% Z, n9 ~7 Y# a5 m5 b3 h, y# k4 x$ \9 q8 x" ` V: Y
GRASE |
( M0 i7 r' ^7 E- u8 A/ P% _4 O) n8 U' G1 e) O1 d- j2 h6 G Z1 {2 }
. X, M. o/ P$ z: F6 t
Parallel Acquisition Techniques |
: p9 h6 P* [& ~( w" m* V f3 ?' `
iPAT |
9 e: J" G0 x, H B' y1 c; f7 F: l. d/ n
ASSET |
( i% v4 p8 }' a9 f6 Y2 u4 c8 L [- E6 U$ k
SENSE |
3 @3 C `6 r( l( t
* o* {1 G1 M2 r/ x7 h
7 @1 m+ z5 {5 e6 S& { PAT: image-based algorithm | - \1 m' {) B8 d" A1 |9 L2 w
; Y. g5 E4 f _* t
mSENSE |
2 N" @: y( Z5 r- b( z2 u
2 B0 ^ S, a1 p( J SENSE | - e% }% S* E. Q# h M
* _( U5 k r+ T8 T
SENSE | * B6 U8 O% \# B2 T7 N
1 e6 i# u( K- e% `5 s6 x1 ]" ]- ?2 a; J0 d* r
PAT: k-space-based algorithm | ; J3 f2 `# T5 I; g+ t1 {, k
) R$ c- e7 [3 D9 V& q* Q
GRAPPA |
, r! m% ]. H7 \; r' o, B: F- w, M4 D2 e, n7 @$ V) B
- | " f3 Q; c! t9 j5 d7 v# c
) M% d1 D; b J' w0 K - | 7 A. ?# c. A0 v1 S4 i5 w* K, V
3 s2 D" W8 X9 o( A% U
7 E# z( Z" {- I
( F% O, R$ @/ r
3 |9 t9 ~8 V* K7 l) q e Sequence Parameters | : o. r& `2 }3 D2 i
1 O9 @ _" _6 x9 |( N8 Y3 g8 g
Repetition Time, Echo Time (in msec) | # c' ^: J3 n" r; v2 @
, o# [/ ` z3 l+ I TR, TE | # r- }3 c; A) E6 y* y6 y
4 P* c' r, `# a0 I$ p: v
TR, TE | ! A$ Y* e0 l5 y/ z: S
. X( \' p7 N5 o( n4 Q
TR, TE | 8 O5 b9 D+ W. x1 n
9 n" W& y) w( E, b
' |, `% \ {" ^. S0 o! ^; e7 f Inversion Time (in msec) |
! z- T: g5 S# u: T2 X4 S# O/ e8 Y" _& f3 U+ b ~
TI | ! E0 d! x6 h0 N$ R( ]' j
. S' h2 ]2 }9 @: I& j
TI |
9 z; n1 u/ u0 q4 B- c4 D( n: H% I0 V" Z1 j' f H, M: J( }/ N
TI | $ w; N' b; Q+ X
( @+ g+ X2 n- Q
0 D" u1 P7 `" A Averages |
) F% n6 m, M$ Z8 j5 I" N- w( S+ _: n* H4 M) y" A$ ]; j
ACQ (Acquisitions) | ! O% N- Z3 z0 M& k3 }7 b1 @# e& c
" v+ B7 `. |- Y4 Q# [
NEX | # ` E7 @$ h' }% B6 f: y' P% Y
# _& F0 q, d* f3 k
NSA | % s2 {, V/ `' _5 H% W& G' i, w
l7 Q* y3 Y! |1 }% a# v1 i
- u' ~, h% d- [6 u. b8 F" l Simultaneous Excitation |
. H) m; C% H4 n+ t2 |+ m* U4 h1 {4 j; V! k4 u; `% y& ^5 _# i
Simultaneous Excitation |
; P. v& P! z# @- a7 K: [+ Z/ A3 j$ |3 a+ S8 v# v
POMP
& I; N4 ^7 U* |(Phase Offset MultiPlanar) | 2 y E( k1 @* L% [
! \5 t2 h) {$ w4 f# I9 n, v+ l - | ( L2 H7 d6 @ B' Z) B2 b% m
5 H) w1 C, a1 @. |# b
8 q( \/ w6 K4 z# u* N9 B RF Pulse in Gradient Echo |
! J. @; O+ q( |
) }9 }0 @7 B f0 I Flip Angle |
8 | l7 g. I- w. H& x4 K, g' m/ K# N* f2 P6 [( u
Flip Angle |
2 d2 H# J3 W7 K& o8 W+ a' i! I) _! f$ O1 l! ]2 }: l
Flip Angle |
! Y5 P7 ~* @! y: i. w! x* S( y: @' G3 v+ Y8 |0 y& ?4 s
+ w! K) s! M" P0 [
Scan Measurement Time | R& Y6 b8 m$ V2 P
" c9 Z( V2 Q2 q g1 Y0 b8 F Acquisition Time, TA |
1 [! H) `" g' Y1 l8 V
. K( L! f1 h) N Acquisition Time |
3 K3 J5 { E3 U! a, }8 h6 M( ?! u2 N1 `
Acquisition Time |
- O* a! E4 M" u4 G: M4 ^( Q* \4 X
9 ~2 U4 {' a- F! @% |' h& ^8 F4 E, r& P# L O% N
Distance Between Slices | ( ]& \- B+ [0 _
1 O% ?( e. W- s. _/ ]$ ~ Distance Factor
% G T d5 s! E2 S(% of slice thickness) | ; ~" a! U# ^, D- o1 ~) l
' D1 `; q Q6 W/ G& i
Gap | 3 T3 i$ l8 ?6 ]4 Q. `( C& _
! O( ?3 U/ a! Y9 m. U+ @) p% f# q' B Gap | $ s, Y1 L2 Z6 T" J% ^2 G) D
1 Q" z; W, @' k( M
; @- r* T& J1 h: D6 K! i# X3 J Shifting Slices Off Center | 9 Z+ h( y8 ?; ? m5 _8 P# f' V
2 ]7 \8 P+ s9 l0 d Off Center Shift |
# ^7 P( r/ N# B# q) P. b' y: w6 b
9 _" V( I. u& W$ L Off Center FOV |
/ M! {6 k: f; a( q. K: C1 T5 r' e2 N C
Off Center FOV |
8 E# u! ]3 @4 z1 i- z
1 B6 q' J5 `% f6 s$ \" A/ d+ v- ?+ @7 x! m( i
Field Of View | 2 }! s2 [4 }5 ~3 W. {- P; ~
. U9 k9 B) ]! X5 B$ x) _ FOV [mm] | % U3 B$ Z: [; E% x
, ]0 ] a w) u8 s
FOV [cm] | n: |. t P! M# s& t: S/ V
7 [0 P& [; P+ s7 K( `* q
FOV [mm] | $ i. q; [$ j* U |+ o$ n* y
; Q2 t2 {0 Q" ?% y
; Z) Q, C1 z2 v2 A6 \! J. q Rectangular FOV | $ ^# j3 e' n: ~/ Y
3 w4 r/ B1 O+ Q" w+ Y
FOV Phase/
# B/ f: i' k3 d- I& yRectangular FOV | & Q8 @2 |* l0 V& \2 A1 B9 n0 ^
, |9 i4 v$ C! c. T3 l$ n& E# b6 y* N Partial FOV (PFOV) | 8 C+ ^ [# J( y: C; k6 m8 J
% n+ G, A' G. |* v4 ~' [/ U
Rectangular FOV | ( }' C1 G' A7 n
8 ]7 R3 |+ g: I. ^
5 D% ~+ o. o* C5 w$ o3 u
Bandwidth | ( D. \% `# y5 v$ }7 y% c. E
# Q. C4 [) g j6 T2 d* `/ a
Bandwidth [Hz/Px] | . \, Z6 W% o, R% _: m
5 v f" B. R" z) a! N% _ _7 w
Receive Bandwidth [kHz] | 1 O1 t. W1 Q) ?" X _$ |
^$ v, A& D! S! H( [. ] p
Fat/Water Shift [Pixel] | ' w! n) E+ w# }0 G( ~
; J* x a: N6 \+ C+ q0 `2 C
' s2 a" q; Q' z$ q Variable Bandwidth |
2 B4 w+ q# z# F" e& ~ B: J: V9 O' K
Optimized Bandwidth | * E$ j9 {0 d: V! V
7 D- C" J6 B- o* g3 P8 {6 a
Variable Bandwidth | * {1 J J# n: Q* p5 v8 |' ?' d
: U4 o6 Y8 ~! r6 M# l( I) h! |
Optimized Bandwidth | * i+ f7 s J ] U2 w7 _/ D8 i' Y3 W
" ]8 ~! s) G/ X7 n' E( G) g+ [* P
# q1 b# t1 ]& y) c! k" O
Frequency Oversampling | " j8 ~ A! L; Z) \1 V% m! s2 J
# }8 v1 R# p4 L( Z Oversampling |
* f! u, }! y/ Z) F, B9 N
& o; i: I6 Z, S$ Z$ q [. {6 X* R3 ^ Anti-Aliasing | - i% e5 e2 p2 {" ]1 E8 J8 J4 }
8 P7 j: j" E. D Q3 }/ R" m: ]' p
Frequency Oversampling | 6 n6 X. K' \3 _# r+ v
( K+ K6 E7 `0 O7 R% |' E9 |5 p/ J7 b% I3 N4 ?' O$ F$ x
Phase Oversampling |
1 e3 {9 Y! z* r6 p% ]5 Z$ l
5 o4 Y2 c5 W3 a9 c/ ~- I n: n1 J Phase Oversampling | : A }: `4 A4 t
, O* W' _9 j* @' h No Phase Wrap | 2 @9 v$ ?' S3 P( \- F$ J
4 x0 t) f' x6 t( x( n
Fold over Suppression | 6 L/ s: j& u. c& Q1 `
" |0 B) v' k6 @
: F! r" ?5 b) Q* I! G$ c: @7 N* U
Segmented K-space |
7 {- q: K, E# i$ x3 N/ h5 I1 p1 S; B) F% `5 |8 N8 [
Lines/Segments | 0 E! A" s6 ?7 W, o6 L' v
6 ^$ |( D) a4 k2 `
Views per Segment |
$ V% m/ L; Q3 o; Z. i/ j ?2 d* A1 l
Views/Segment |
) ]$ S- D1 b0 ^
: A- c& f5 N3 `; I& {. z
5 e4 n9 R }. x Time Delay/Block K-Space |
! k/ q& x/ x9 _ C, a- M
& a" Z( n: g. D% r Time Delay |
* U; a3 a9 B5 x$ h6 a f, J: C: o2 E3 ^8 n" Q
Intersegment Delay |
+ [9 i* N F- S# Y k+ J) g- W' H5 T) t# j9 Y
TD |
/ e! Y Q5 U3 B2 ~% f6 ~/ ?) R" x- Z& m M* l6 ^ o3 o; B8 r
7 Y1 f; b8 p- J. h) V
Half Fourier Imaging |
" ?3 h. z4 ~! m" ~. R6 Z0 ?! ]" l7 [5 a. [% S& e
Half Fourier |
+ G( t4 D5 }3 U/ [1 _! U
9 ~. p- r' b1 k) S4 O% F" b 1/2 NEX, Fractional NEX |
9 T1 }, ?) k. T, n: p" M; |0 h. p
8 x. r; u8 a' j Half Scan |
3 H! `: B0 m( P e6 g+ T1 D4 d% t( t
8 O% J; _: O" e8 l* _- V% ? Partial Echo | % x3 e3 c% l; {5 R3 `/ ]
8 T9 Q# `' A3 o! h+ R1 q' ?1 l Asymmetric Echo | 8 \' O! Q/ I' w+ T6 j4 S8 ^* h
- q/ z4 h/ Q0 P/ j, u7 y Partial Echo |
+ `* r# R3 Z7 z- ~
, z ~5 g) @9 q; J; m& R Partial Echo |
) Q/ ]2 z) X: H/ ^% _) m( J3 l6 e* ^ B
0 q# d' L+ ^5 P3 G0 z' f- N& h) F9 S Gradient Moment Nulling | % m. R7 U+ [3 D+ q! C
& t9 V$ r: g7 w% ^0 h Flow Comp/GMR |
5 h- C+ S/ x/ K% ?& r9 I# Q. V; ]8 Z) \+ ~( Y1 _3 O' o0 K3 d" X5 K# D
Flow Comp |
' |: F N- M) a9 n2 O% ?/ w3 d$ c- N1 B2 l& C
Flow Comp, Flag | 1 P$ A0 n; ]- {2 |0 D& O
# S& F3 t v6 c( v J {: ?# e% A3 l: r' M, W$ X/ N
Ramped RF Pulse |
9 _+ U9 E" b# L: O# a
7 H! \9 A1 R/ B- `$ f; x5 t TONE | l; Y# j( U* B$ D8 C' g
6 A7 y5 M; J) H( n/ ~& Q Ramped Pulse |
/ @2 o6 @# F* G$ ^" D0 a' U6 l+ Q* `5 ~6 t/ Q: I6 F' S
TONE |
3 r5 q( }9 q7 c+ U" r/ W
- C4 d9 K. e* \! r" ?3 a9 L& r+ R, p6 u% ?4 b4 i, G0 Q) p8 O
Magnetization Transfer Contrast | 8 c4 H4 U/ y W: @! i
: ?8 w" I# T. |$ |
MTC, MTS |
( ?7 s- ~) ]% d
- T) p5 Q& ?- |4 K+ l6 r MTC |
% S4 k9 ?6 r& w, P3 b! V# I4 w7 X3 V' S- X; z
MTC |
5 b5 d3 G9 e! |6 l& H) h! {- `* `8 Y( P; N7 k$ [2 I' Y' }
. Y" S* Y. p" i7 _
Prep Pulse-Chemically | 2 ]- F. `: k& R- T- B& A, p+ ^
p. q6 Z+ {+ D0 {% J Fat Sat | " c$ L$ d" \; N& ?2 `9 {
& h c9 K+ h3 l. h) J# s6 H. O Fat Sat/Chem Sat |
2 l" f3 w$ M3 ^* J4 \- M* K, ?
& D( c1 H) |7 E: g3 G SPIR |
6 H2 ^0 J+ a' G9 o |1 h7 j9 |
( Z R$ K4 z6 D$ x* H. |! I( z! h: g* |- q+ ~
Water Excitation | " v6 \3 j6 z ]+ O/ I
( S, R' G; Q% ^7 R9 M& o. u
Water Excitation | 0 M) c4 H; _1 k3 A% O3 ?# r3 Y
6 ?) q/ Z' m+ p0 S, s* }1 Y0 e- Y& f
- |
: C# W4 K" W, @$ J3 N+ P* h; P; ~$ C$ d/ [* L
Proset | & E& m/ e ^- X, b( D
# P$ m! u+ O- e
/ }1 _6 b: t3 x& a O# [ Prep Pulse-Spatially | 8 i8 }5 U; d1 T" Y
' f# ^9 h: Y. c5 C }* v$ Q0 U
Presat | . g3 H, a7 G6 x+ T: a9 e; _
+ J' y$ r7 F' p5 D9 m; D( Y
SAT | $ b& k. y: V9 @% Z* Z! R& F
& X3 ]% g) [6 j" k/ {) N0 t
REST |
3 _. o0 y+ i' j" ~. G( i1 n! n8 @. {5 I1 ^7 L( k
3 b9 h' x. R' f/ Q1 s Moving Sat Pulse | 1 q, F6 t+ x' W4 k
4 \& Y: Y3 g4 a8 M2 b% ~3 Y/ W' l
Travel Sat |
" E8 Y$ D! D" y, \* N6 Q6 B
1 d% U4 j! T# |6 ^2 c- [" l$ z/ ^ Walking Sat | $ X% j; |7 t# l; e6 B: L
) m' C ^: Q& V7 B4 c$ K1 ~
Travel REST |
5 k/ B4 K0 J1 Z% L0 q& V6 m m! V% \' f! \4 Z' G; f( B
4 e2 O8 s- O% O- T) S# P Image Sync with ECG | / w( I* r( o t: d8 E" v
! _: I$ T1 N- ]. O
ECG Triggered |
; d, |, q* U7 }3 b7 u/ s
( N8 u2 C0 Y5 v Cardiac Gated/Triggering | , B( T& \) ^2 N, k# s: H" z( n) r
" |) p8 H; ]. u+ o5 X; k ECG Triggered/VCG |
, m; j, l8 H! b4 D
8 O I7 h4 K0 t7 e" W" ?0 a5 ?, E+ z3 ^9 ~) U/ M% H4 `+ P& X
Delay after R Wave |
, H. ~4 z V9 r3 n6 j$ [
! @/ E, ]6 @! V' \( S" ~ Trigger Delay, TD | $ q3 z4 N) n5 i* ^
2 ]( C1 b( M, s5 U5 X. Y
Trigger Delay, TD | % Z. \; K# @; ]" B& j) h9 Q
$ o1 w+ b! g- X
Trigger Delay, TD | & K6 h8 |9 n( d8 X* F
! A7 l* N7 h* `' f& i
0 {4 Z2 k2 d, U, {9 ?/ h Respiratory Gating | * E6 W9 M- K1 _3 l9 H
$ k, ?1 ]& H6 Y. J; F4 m& J# }
Respiratory Gated | $ n* f: v5 I$ G8 s6 r" M0 x" \1 ^
- Q0 k5 S/ }0 Y4 q" F E: q
Respiratory Comp |
5 w- j8 J; Y* \5 v% N; v9 S
, ]) I. { n! k/ p5 H Trigger, PEAR | / d0 c" r& t- G9 v$ S9 a* p
& r$ q7 Y3 t- Q; s# Q2 n
+ k3 N7 H: B/ b: g$ o+ ?+ w Patient Orientation Sequence |
6 M, W, J, p6 H" s& b& h. b9 A9 z% x1 F( i5 m- K
Localizer, Scout |
. N4 Z. S) _ ?: p0 k+ {, ]3 B6 o$ a- w! @" l' z) s6 }" J9 V
Localizer |
9 q" f! p; v2 g' o2 v( T3 ~6 v5 r
Plan Scan | : W$ s) l0 X* F8 b
& _$ o& B% W/ x7 p2 e7 {! P! r( \. V* g
Contrast Bolus Timing/Visualization |
1 J- }* g/ Y+ }7 P: m/ P1 T
5 f/ m; n1 s0 d! a3 K* H$ a CARE Bolus |
) S6 L4 S7 M, f9 |+ k+ \8 f4 C1 v, O, X
Smart Prep
/ e7 A" P `: \( E; d) u XFluoro-Triggered MRA | & v. _! i5 \5 B2 h
+ J/ D; z/ a% c0 ~8 a, b
BolusTrak | 本转贴仅供本版学习交流。作者若有疑义,敬请告知!( L& c; B( l' b+ p: p
[此贴子已经被作者于2008-6-5 9:37:51编辑过] 6 f2 I2 Q5 r2 r4 O7 r4 B* ]) f, x6 b
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