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Table 1 MR Protocol

From: High resolution carotid black-blood 3T MR with parallel imaging and dedicated 4-channel surface coils

  T1W PDW T2W TOF DCE*
Sequence 2D-TSE 2D-TSE 2D-TSE 3D-GRE 2D-SR-SGRE
ECG gating None None None None None
Fat Suppression Yes Yes Yes Yes No
TR [ms] 800 3000 3000 21 307
TE [ms] 12 13 65 3.96 1.72
PAT factor 2 2 2 2 4
ETL 11 13 13 n.a. n.a.
Flip Angle [°] 180 180 180 25 15
Averages 2 2 2 1 3
FOV [mm 2 ] 160 × 120 160 × 120 160 × 120 160 × 120 160 × 130
Matrix 240 × 320 240 × 320 240 × 320 240 × 320 256 × 208
Number of Slices 15 21 21 52 2
Slice thickness [mm] 2 2 2 1 3.5
Pixel size [mm 2 ]
(Interpolated)
0.5 × 0.5
(0.25 × 0.25)
0.5 × 0.5
(0.25 × 0.25)
0.5 × 0.5
(0.25 × 0.25)
0.5 × 0.5
(0.25 × 0.25)
0.625 × 0.625
Scan Time per slice (Sequence)
[minutes]
0:19
(4:38)
0:06
(2:08)
0:06
(2:08)
0:05
(4:11)
0:02
(5:13)
Flow Suppresion DIR Inflow Suppression (Arteries and Veins) Inflow Suppression (Arteries and Veins) Inflow Suppression
(Veins)
None
  1. DCE = Dynamic Contrast Enhanced Sequences; *TI = 159 ms; D = Dimensional; TSE = Turbo Spin Echo; SR-SGRE = Saturation-Recovery Spoiled Gradient Echo, PAT = Parallel Acquisition Technique; ETL = Echo Train Length; DIR = Double Inversion Recovery