Table 1 Imaging protocol parameters for MRI of suspected acute appendicitis
Parameter | 2D SSFSE with fat suppression | 2D SSFSE without fat suppression | 2D DWI with fat suppression | ||
|---|---|---|---|---|---|
Axial | Coronal | Axial | Coronal | Axial | |
TR (ms) | 1388–1701 | 1120–1720 | 1190–1706 | 1373–1706 | 4000/7500 |
TE (ms) | 88.06–102.8 | 87.12–92.45 | 88.06–92.42 | 87.12–92.45 | 68.9–71.2 |
FOV (cm) | 40.0 | 38.0 | 40.0 | 38.0 | 40.0 |
Matrix | 384 × 160 | 325 × 256 | 352 × 256 | 352 × 256 | 96 × 28 |
Bandwidth (kHz) | 83.33 | 83.33 | 83.33 | 83.33 | 250 |
Slice thickness (mm) | 3.0 | 3.0 | 3.0 | 3.0 | 5.5 |
Slice spacing (mm) | 0.3 | 0.3 | 0.3 | 0.3 | 0.5 |
No. of signal averages | 1 | 1 | 1 | 1 | 1 |