Table 1 Anatomical parameters using preoperative CT images
Variables | Difficulty (-) (n = 10) | Difficulty (+) (n = 10) | p-value |
|---|---|---|---|
Axial plane | |||
Ventral edge of SMV– ventral edge of pancreas: HD | 28.6 ± 8.6 | 30.0 ± 7.6 | 0.79 |
Right edge of SMV– right edge of pancreas: HD | 4.6 ± 4.2 | 9.1 ± 4.6 | 0.15 |
Root of GCT - edge of pancreas where RGEV pass through: SD | 17.7 ± 16.0 | 18.4 ± 13.5 | 0.95 |
Root of RGEV – root of RGEA: HD | 8.1 ± 5.3 | 13.3 ± 11.6 | 0.43 |
Root of RGEV – root of RGEA: SD | 8.8 ± 5.6 | 9.4 ± 3.6 | 0.83 |
Root of RGEV - edge of pancreas where RGEV pass through: SD | 9.4 ± 11.4 | 17.4 ± 7.0 | 0.20 |
Coronal plane | |||
Right edge of SMV– right edge of pancreas: HD | 17.3 ± 5.5 | 18.8 ± 14.5 | 0.85 |
Root of GCT – right edge of pancreas: HD | 29.8 ± 10.9 | 30.1 ± 5.8 | 0.96 |
Root of RGEV – root of RGEA: SD | 16.6 ± 4.8 | 26.6 ± 7.7 | 0.06 |
Root of RGEV – root of RGEA: HD | 14.1 ± 4.9 | 25.4 ± 7.8 | 0.04 |
MIP | |||
Root of RGEV – root of RGEA: SD | 15.3 ± 3.0 | 26.0 ± 7.2 | 0.02 |
Root of RGEV – Upper edge of pancreas: HD | 15.0 ± 3.4 | 32.6 ± 8.4 | 0.005 |
Root of RGEV – edge of pancreas where RGEV pass through: SD | 13.9 ± 10.1 | 24.1 ± 16.3 | 0.30 |