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Table1 MRI Parameters
T2W-HASTE T2W-BLADE DWI T1-VIBE-dixon TR(ms) 2680 3000 8600 4.04 TE(ms) 83 119 72 1.24/2.47 Slice thickness(mm) 3 2 5 3 Slice gap(mm) 0.6 0.4 1 0.6 FOV(mm) 236×320 380×380 270×360 270×360 Matrix 378×512 320×320 82×110 188×320 Flip angle(°) 140 80 - 12 Bandwidth 610 505 1976 1040 NEX 1 - 3 1 Table2 The inter observer agreement between two readers (Kappa value)
PETCT PETMR-T1W PETMR-T2W-HASTEE PETMR-T2W-BLADE image artifacts 0.651 0.933 1 0.912 conspicuity 0.767 0.785 0.891 0.865 conspicuity 0.918 0.931 0.868 - Table3 Comparison of image artifacts and lesion conspicuity between two T2W sequences
MR sequence image artifacts lesion conspicuity T2WI-HASTE 2(2,2) 3(2,3) T2WI-BLADE 2(1,2) 2(1,3) Z -3.249 -2.502 P 0.00 0.012 Table4Comparison of image artifacts, lesion conspicuity and image fusion quality in three modalities
Modality image artifacts image fusion lesion conspicuity PET/CT 3(3,3) 3(2,3) 2(2,2) PET/MRT1 3(2,3) 3(2,3) 2(2,3) PET/MRT2 2(2,2) 2(2,3) 3(2,3) Х2 39.01 9.275 14.696 P 0.00 0.055 0.023
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