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Table 1 Sequences for post mortem magnetic resonance imaging

From: Post mortem magnetic resonance imaging in the fetus, infant and child: A comparative study with conventional autopsy (MaRIAS Protocol)

Sequence

Voxel size

TA (min)

TR (ms)

TE (ms)

Flip angle0

Averages

BRAIN IMAGING

3 D CISS

0.6 × 0.6 × .06 mm

13.5

9.2

4.6

70

4

3D Flash T1W

1 × 1 × 1 mm

5.4

11

4.9

15

3

2D Destir T2W

0.4 × 0.4 × 0.4 mm

13.5

5460

14,115

150

6

GE (Haem)

0.5 × 0.4 × 4 mm

6.3

800

26

20

4

DWI

B = 0, b = 500, b = 1000

SPINE IMAGING

2D T2-W TSE (children only)

1 × 1 × 3 mm

5.43

3050

109

170

3

3D CISS

(fetus only)

0.6 × 0.6 × 1 mm

4.2

9.1

4.5

70

8

3D T1-W Flash

0.6 × 0.6 × 1 mm

3.5

11

5.3

15

10

BODY IMAGING

T2 W TSE

0.8 × 0.8 × 0.8 mm

6.2

3500

276

 

2

3D CISS

0.8 × 0.8 × 0.8 mm

5.2

5.2

2.3

54

3

3D T1W VIBE

0.8 × 0.8 × 0.8 mm

5.5

5.9

2.4

25

8

3D CISS (cardiac)

0.6 × 0.6 × 0.6 mm

29

5.6

2.5

54

10

  1. TA: Time for acquisition, TR: Relaxation time, TE: Echo time, ms: milli second, min: minutes
  2. CISS: Constructive Interference Steady State, GE: Gradiant Echo, TSE: Turbo spin echo, DWI: Diffusion weighted imaging