Supplemental Table 1.
MRI acquisition parameters of our institution
| Endorectal coil | with ERC | Without ERC | ||||
|---|---|---|---|---|---|---|
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| Parameters | T2W TSE | DWIa | DCE | T2W TSE | DWIb | DCE |
| Field of view (mm) | 140×140 | 140×140 | 262×262 | 180×180 | 140×140 | 262×262 |
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| Acquisition matrix | 304×234 | 76×78 | 188×96 | 320×216 | 64×62 | 176×66 |
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| Repetition time (ms) | 4434 | 6987 | 3.7 | 3686 | 7218 | 3.7 |
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| Echo time (ms) | 120 | 52 | 2.3 | 120 | 47 | 2.3 |
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| Flip angle (degrees) | 90 | 90 | 8.5 | 90 | 90 | 8.5 |
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| Section thickness (mm) | 3 | 3 | 3 | 3 | 3 | 3 |
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| Image reconstruction matrix (pixels) | 512×512 | 256×256 | 256×256 | 512×512 | 256×256 | 256×256 |
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| Reconstruction voxel imaging resolution (mm/pixel) | 0.27×0.27×3 | 0.55×0.55×2.73 | 1.02×1.02×3 | 0.35×0.35×3 | 1.09×1.09×3 | 1.02×1.02×3 |
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| Time for acquisition (min:s) | 2:48 | 3:50 | 5:16 | 4:48 | 6:08 | 5:16 |
ERC: endorectal coil; TSE: turbo spin echo; DWI: diffusion weighted imaging; DCE: dynamic contrast-enhanced imaging
a
For b=2000 s/mm2;
b
For b=1500 s/mm2