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Table 1 Summary of MRCP imaging parameters

From: Magnetic resonance cholangiopancreatography: the ABC of MRCP

Parameter

T2-weighted breath-hold HASTE (liver down to ampulla)

3D T2-weighted FSE with respiratory triggering

T2 weighted breath-hold HASTE fat-saturated thick slab

TR/TE (ms)

1,000/83

1,800/678

4,500/752

Number of averages

1

1

1

Flip angle

150

180

180

Field of view (mm)

350 × 263

380 × 380

350 × 350

Matrix size

256 × 146

384 × 380

384 × 300

Slice thickness (mm)

7 mm

1.5 mm

40 mm

Slice gap (mm)

0.7 mm

0 mm

N/A

Number of slices

20

40

1

Acquisition plane

Axial

Coronal oblique

Coronal

Half-Fourier factor

5/8

Phase-encoding: off

Phase encoding: 7/8

Slice-encoding: 6/8

Parallel imaging acceleration factor

2

2

2

Receiver bandwidth (Hz/pixel)

391

260

150

Turbo factor

146

127

307

Oversampling

None

Slice: 20%

Phase: 33%

  1. HASTE half-Fourier acquisition single shot turbo spin echo, FSE fast spin echo