Table 5.
Diagnostic results of MSCT, MRI, and pathological examination for N restaging of rectal cancer after NCRT.
| Pathological staging | Cases | N0 | N1 | N2 | Accuracy (%) | ||||
|---|---|---|---|---|---|---|---|---|---|
| MSCT | MRI | MSCT | MRI | MSCT | MRI | MSCT | MRI | ||
| ypN0 | 46 | 32 | 29 | 8 | 10 | 6 | 7 | 51.6 | 63.0 |
| ypN1 | 9 | 5 | 4 | 0 | 1 | 4 | 4 | 0 | 11.1 |
| ypN2 | 7 | 4 | 3 | 0 | 1 | 3 | 3 | 42.9 | 42.9 |
| Total | 62 | 41 | 36 | 8 | 12 | 13 | 14 | 56.5 | 53.2 |
MSCT, multi-slice computed tomography; MRI, magnetic resonance imaging; N, node; NCRT, neoadjuvant chemoradiotherapy; yp, pathological staging after neoadjuvant chemoradiotherapy.