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Table 1 The main imaging parameters of MRI protocols

From: Diagnostic performance in T staging for patients with esophagogastric junction cancer using high-resolution MRI: a comparison with conventional MRI at 3 tesla

 ProtocolsTR/TE (ms)FOV (mm2)MatrixFA(°)ST (mm)GapSlicesFSAveragesTA
HR MRI, Cohort 1T2 W6500/87260*260256*25613130.630No13.5–4.5 min
DWIa2000/51195*260180*2409030.630Yes4–5 min
T1W4.23/1.13175*280160*256123028Yes316 s
T1W + Cc4.23/1/13175*280160*256123028Yes316 s
Conventional MRI, Cohort 2T2 W4560/79380*380320*32014061.228Yes13–4 min
DWIb2200/55296*39596*1289061.220Yes31 s
T1W3.97/1.26325*400195*32093064Yes115 s
T1W + Cc3.46/1.32308*380195*320123064Yes114 s
  1. FA flip angle, ST slice thickness, FS fat saturation, TA acquisition time
  2. ab values (number of averages), 50 (1), 100 (1), 150 (1), 200 (1), 500 (2), 800 (3) s/mm2
  3. bb values (Number of averages), 50 (1), 800 (3) s/mm2
  4. carterial, venous and delayed phases