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Table 1 Imaging sequences that were used and their characteristics

From: A review of more than 2000 cases of site-specific pelvic endometriosis rates by MRI: a guide to minimizing under/overdiagnosis non-invasively

MRI protocol

T2 TSE axial

T1 TSE axial

T1 TSE FS axial

T2 TSE sagittal

T2 FS coronal

T1 TSE FS sagittal

DWI B value 50, 400, 800 axial plain

TR/TE (ms)

3600/128

600/21

580/21

3800/130

3000/86

550/21

3800/91

Section Thickness (mm)

4.5

4.5

4.5

3.5

4.5

3.5

5

Slice Gap (mm)

1–1.5

1

1

1

0.6–1

1

1

Flip Angle (°)

150

150

150

150

150

150

–

FOV (cm)

265

270

270

260

245

245

300

Matrix

320 * 300

320 * 280

320 * 256

320 * 280

320 * 256

320 * 256

102 * 102

Bandwidth (kHz)

206

180

179

160

206

180

1440

Frequency direction

Anterior to posterior

Anterior to posterior

Anterior to posterior

Anterior to posterior

Right to left

Anterior to posterior

Anterior to posterior

NO OF Averages

3

3

2

4

2

3

4

No of images

25

25

25

23

20–24

23

25

  1. T1 fat-suppressed axial and sagittal protocols are also used for post-contrast-enhanced MRI with the same characteristics