From: MRI features predict microvascular invasion in intrahepatic cholangiocarcinoma
Parameter | T2WI-FS | T1W IP-OP | T1W-FS tra | T1W-FS cor | DWI |
---|---|---|---|---|---|
1.5-T UIHMR 560 scanner | |||||
 Repetition time (msec) | 2693 | 115.8 | 4.4–4.5 | 4.4–4.5 | 2807 |
 Echo time (msec) | 85.58 | 4.4 and 2.2 | 2.1–2.2 | 2.1–2.2 | 75.7 |
 Matrix size | 201 × 288 | 230 × 288 | 192 × 256 | 125 × 256 | 115 × 128 |
 Field of view (mm2) | 380 × 360 | 380 × 290 | 400 × 280 | 450X350 | 380 × 300 |
 Slice thickness (mm) | 6 | 6 | 3.5 | 3 | 6 |
 Slice gap (mm) | 1.2 | 1.2 | 0 | 0 | 1.2 |
 Average | 1 | 1 | 1 | 1 | 4 |
3.0-T UIHMR770 MR | |||||
 Repetition time (msec) | 2000 | 4.27 | 3.3 | 3.3 | 4165 |
 Echo time (msec) | 106.2 | 2.5 and 1.21 | 1.5 | 1.5 | 66.3 |
 Matrix size | 256 × 256 | 288 × 168 | 320 × 216 | 288 × 208 | 128 × 101 |
 Field of view (mm2) | 346 × 346 | 300 × 300 | 270 × 270 | 340 × 340 | 300 × 300 |
 Slice thickness (mm) | 6–7 | 3–4 | 3 | 3–4 | 6–7 |
 Slice gap (mm) | 1.8–2.1 | 0 | 0 | 0 | 1.8–2.1 |
 Average | 1 | 1 | 1 | 1 | 5 |
Avanto 1.5-T Siemens MR | |||||
 Repetition time (msec) | 3000–3500 | 112 | 5.04 | 5.13 | 2400–2600 |
 Echo time (msec) | 70–84 | 5.04 and 2.05 | 2.31 | 2.36 | 66 |
 Matrix size | 256 × 173 | 256 × 134 | 256 × 125 | 288 × 187 | 128 × 112 |
 Field of view (mm2) | 285 × 214– 308 × 380 | 285 × 214– 308 × 380 | 285 × 214– 308 × 380 | 350 × 350– 380 × 380 | 285 × 214– 308 × 380 |
 Slice thickness (mm) | 5–7 | 5–7 | 3–4 | 5 | 5–7 |
 Slice gap (mm) | 1–2.1 | 1–2.1 | 0 | 0 | 1–2.1 |
 Average | 1 | 1 | 1 | 1 | 1 |
Aera 1.5 T Siemens MR | |||||
 Repetition time (msec) | 3500 | 230 | 4.38 | 4.36 | 3200 |
 Echo time (msec) | 84 | 2.38 and 4.76 | 1.93 | 2.03 | 56 |
 Matrix size | 320 × 224 | 320 × 240 | 320 × 240 | 320 × 320 | 128 × 128 |
 Field of view (mm2) | 380 × 308 | 380 × 278 | 380 × 297 | 350 × 350–380 × 380 | 380 × 308 |
 Slice thickness (mm) | 5.5 | 5.5 | 3–4 | 3 | 5.5 |
 Slice gap (mm) | 1.1 | 1.1 | 0 | 0 | 1.1 |
 Average | 1 | 1 | 1 | 1 | 1 |
3.0-T GE750 MR | |||||
 Repetition time (msec) | 4500 | 3.60 | 3.54 | 3.95 | 5454 |
 Echo time (msec) | 88 | 2.23 and 1.12 | 1.67 | 1.84 | 49 |
 Matrix size | 320 × 224- 448 × 448 | 212 × 170- 256 × 192 | 212 × 170- 256 × 192 | 384 × 170 | 130 × 96 |
 Field of view (mm2) | 380 × 380–400 × 400 | 380 × 380–400 × 400 | 380 × 380–400 × 400 | 400 × 400–440 × 440 | 380 × 380–400 × 280 |
 Slice thickness (mm) | 6.5 | 5 | 5 | 4 | 6.5 |
 Slice gap (mm) | 1 | 1.1 | 0 | 0 | 1 |
 Average | 2 | 0.70 | 1.33 | 0.70 | 1 |
Verio 3.0-T Siemens MRI | |||||
 Repetition time (msec) | 2000–3000 | 207 | 4.17 | 4.07 | 3400 |
 Echo time (msec) | 83 | 2.31 and 3.69 | 1.43 | 1.46 | 70 |
 Matrix size | 320 × 165 | 256 × 141 | 352 × 200 | 384 × 269 | 128 × 80 |
 Field of view (mm2) | 285 × 380–330 × 380 | 285 × 380–330 × 380 | 285 × 380–330 × 380 | 380 × 380 | 285 × 380–330 × 380 |
 Slice thickness (mm) | 5.5 | 5.5 | 3 | 3 | 6 |
 Slice gap (mm) | 1.1 | 1.1 | 0 | 0 | 1.8 |
 Average | 1 | 1 | 1 | 1 | 4 |