Table 3.
Diagnostic results of MSCT, MRI, and pathological examination for T restaging of rectal cancer after NCRT.
| Pathological staging | Cases | T0 | T1 | T2 | T3 | T4 | Accuracy (%) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MSCT | MRI | MSCT | MRI | MSCT | MRI | MSCT | MRI | MSCT | MRI | MSCT | MRI | ||
| ypT0 | 3 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 2 | 1 | 0 | 0 | 0 |
| ypT1 | 8 | 1 | 1 | 0 | 0 | 3 | 3 | 4 | 4 | 0 | 0 | 0 | 0 |
| ypT2 | 20 | 0 | 0 | 0 | 0 | 6 | 4 | 13 | 15 | 1 | 1 | 30 | 20 |
| ypT3 | 28 | 0 | 0 | 0 | 0 | 3 | 5 | 24 | 20 | 1 | 3 | 85.7 | 75 |
| ypT4 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 2 | 2 | 66.7 | 66.7 |
| Total | 62 | 1 | 1 | 0 | 0 | 13 | 14 | 43 | 41 | 5 | 6 | 51.6 | 41.9 |
MSCT, multi-slice computed tomography; MRI, magnetic resonance imaging; NCRT, neoadjuvant chemoradiotherapy; T, tumor; yp, pathological staging after neoadjuvant chemoradiotherapy.