Breast Implant Protocols: Technical Parameters
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MRI PROTOCOL Breast Implants (silicone) |
Mayo Clinic 04/21/02 Dr. Liu |
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SERIES |
#1 |
#2 |
#3 both PRESCRIBE LT TO RT |
#4 both PRESCRIBE LT TO RT |
#5 /#6 left/ right |
#9 / #10 left / right OPTIONAL |
#7 /#8 left / right |
#11 ONLY IFDOUBLE-LUMEN LT & RT |
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POSITION-PRONE ENTRY-head 1st COIL - breast Chest |
Scouts |
FSE |
IR Water Sat |
AX FSTIR Water Sat |
FSE Water Sat |
FSE |
T2 FAT SAT FSE-XL |
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PARAMETERS Plane/Mode Sequence Options/psd |
AX / 2D SE NP |
SAG / 2D FSE NP,VB,FC |
SAG / 2D FSE-IR NP,SEQ |
AX / 2D FSE-IR NP, SEQ |
AX/ 2D FSE NP, VB, FC |
COR/OBL / 2D FSE VB, NP |
AX / 2D FSE FC, NP, VB Fse-xl |
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SCAN TIMING #echo/#shots TE / TR TI /Flip / ETL BW |
1 echo min full TE 400 TR |
1 echo 120 TE 5800 TR ETL 8 BW 15.63 |
1 echo 102 TE 4500 TR ETL 8 TI-150 |
1 echo 45 TE 6000 TR ETL 14 TI-150 |
1 echo 120 TE 4500 TR ETL 8 BW 15.63 |
1 echo 120 TE 3500 TR ETL 8 BW 15.63 |
1 echo 80TE 4500TR ETL 12 BW 15.63 |
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OTHER SAT/GRX/Vasc Gating/CINE MultiPhase/DWI |
none |
WATER SAT |
SAT SI GRX |
SAT Water GRX |
SAT Water GRX |
SAT SI,water GRX |
GRX |
SAT SI, Fat GRX |
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SCAN RANGE FOV Thickness Spacing Start Loc #slices |
32 fov 7 mm skip 2.5 I55-S55 12/1 |
20 fov 5 mm skip 1
30/1 |
20 fov 5 mm skip 1
30/2 |
20 fov 5 mm skip 1
26/1 |
20 fov 5 mm skip 1
26/1 |
20 fov 5 mm skip 1
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20 fov 5 mm skip 1 |
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ACQ Freq Phase NEX Ph FOV |
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256 128 1 nex |
:49 RL H2 |
256 128 1 nex |
:49 RL H2 |
256 192 2 nex |
5:12 AP H20 Fc-FQ Autos |
256 192 2 nex |
7:12 AP FAT
Autos |
256 192 2 nex |
5:00 AP FAT
Autos |
256 192 2 nex |
3:36 AP FAT Fc-SL Autos |
256 192 2 nex |
2:55 RL H20
AutoS |
256 256 2 nex |
3:30 AP H20 FC-SL autos |
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DO NOT OBL ANY SAG OR AX |
If there is black in this scout-it has saline. Check with Rad for additional series |
PRESCRIBE LEFT TO RIGHT DO NOT OBL
RIGHTS SEPARATE FROM LEFTS AND LABELED Send ALL LEFTS then ALL RIGHTS |
Use Sag localizer-slice perpendicular to chest wall DO NOT OBL FLIP AX L-R
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Angle Parallel with rib cage Run separately |
DO NOT OBL |
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** IF IMPLANTS ARE SALINE: Make these changes SAG IR- take off water sat, change CF to Water AX FSE – Change Water Sat to FAT sat, change CF to WATER |
Signal Intensities |
Silicone |
FAT |
WATER |
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SAG T2 FSE |
Bright |
Bright |
Very bright |
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SAG IR Water sat |
Bright |
Very low |
Low |
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AX T2 FSE Water sat |
Bright |
Medium |
Low |
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T2 FAT sat |
Very low |
Very low |
Very bright |
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