Breast Cancer Protocols: Technical Parameters
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MRI PROTOCOL Breast (Cancer) |
Mayo Clinic 04/21/02 Dr. Liu |
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SERIES |
#1&2 ALWAYS BILATERAL |
#3 |
#4 |
#5 |
#6 ALWAYS BILATERAL |
#7 ALWAYS BILATERAL |
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POSITION-prone ENTRY-Head COIL - Breast |
SCOUTS AX AND SAG
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SAG FSE T2
AFFECTED BREAST ONLY |
AX T1(fse)
AFFECTED BREAST ONLY |
SAG FSE T2 FAT SAT AFFECTED BREAST ONLY |
PRE & POST GAD SAG T1 FSPGR FAT SAT DYNAMICS |
POSTGAD AX T1 FSPGR FAT SAT |
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PARAMETERS Plane/Mode Sequence Options/psd |
AX/2D SAG/2D SE |
SAG/2D FSE NP |
AX/2D FSEXL NP,TRF,VB
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SAG/2D FSEXL NP, VB Psd=fse-xl |
SAG/2D FSPGR |
AX/2D FSPGR, NP |
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SCAN TIMING #echo/#shots TE / TR TI /Flip / ETL
BW |
1 echo MF TE 200 TR |
1 echo 100 TE 5000 TR ETL 16 15.63 BW |
1 echo MIN TE 500 TR 4 ETL 20 BW |
1 echo 80 TE 5000 TR 16 ETL 16 BW |
1 echo MIN TE 300 TR 60 FA 62 BW |
1 echo 1.8 TE(out) 90 TR 60 FA 32 BW |
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OTHER SAT/GRX/Vasc Gating/CINE MultiPhase/DWI |
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GRX |
GRX |
SAT FAT GRX |
SAT FAT GRX |
SAT FAT GRX |
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SCAN RANGE FOV Thickness Spacing Start Loc #slices |
40 FOV 5 mm skip 2.5 |
12-18 FOV 5 mm skip 1
16/1 |
12-18 FOV 5 mm skip 1
18/2 |
12-18 FOV 5 mm skip 1
20/1 |
12-18 FOV 5 mm skip 1
1 acquistion |
12-18 FOV 5 mm skip 1
18/2 |
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ACQ Freq Phase NEX Ph FOV Pause |
TIME Fr Dir CF FC Dir Autshim Ph Cor Contras |
256 128 .75nex |
:30 RL H20 * auto |
256 256 2 nex |
2:40 AP H20 * auto |
256 256 2 nex |
2:12 AP H20 * auto |
256 192 4 nex |
4:05 AP H20 * auto |
256 192 1 nex |
~1:30 AP H20 * auto
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256 192 2 nex |
1:10 AP H20 * auto
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