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Table 1 Protocol for MRI examination of knee joint and meniscus

From: Varus stress MRI in diagnosis of medial meniscal posterior root tear

Sequences parameters

Sagittal PD

Sagittal T2

Sagittal STIR

Coronal T2

Coronal PD-SPAIR

Axial T2

DUAL_DR_TSE

TR

2078

2728

4745

3000

4861

TE

110

60

100

30

100

FOV (mm)

     

Anterior/ Posterior(AP)

150

150

79

79

160

Right/left (RL)

79

79

160

160

160

Feet/head (FH)

150

150

160

160

79

ACQ matrix M × P

320 × 240

256 × 203

324 × 253

292 × 240

324 × 260

Reconstruction matrix

512

512

560

512

560

Slice thickness (mm)

3

3

3

3

3

Min. Slice gap (mm)

3

3

0

3

0

Flip angle

90

90

90

90

90

Slices

24

20

24

24

24

  1. TR, Repetition time; TE, echo time; FOV, field of view (ranged from 15 to 16 cm); DUAL_DR_TSE, double PD and T2 weighted sequences
  2. The average duration time of the examination was from 25 up to 30 min