Table 3.
Pathological features and surgical treatments of UrC
| Cases, N | Percent, % | p value | |
|---|---|---|---|
| Histology | |||
| Adenocarcinoma NOS | 19 | 32.20 | |
| Mucinous adenocarcinoma | 19 | 32.20 | |
| Adenocarcinoma + mucinous adenocarcinoma | 5 | 8.47 | |
| Mucinous adenocarcinoma + signet ring cell | 5 | 8.47 | |
| Mixed adenocarcinoma | 2 | 3.39 | |
| Enteric adenocarcinoma | 5 | 8.47 | |
| Signet ring-cell carcinoma | 1 | 1.69 | |
| Small-cell carcinoma | 2 | 3.39 | |
| Transitional-cell carcinoma with adenomatous metaplasia | 1 | 1.69 | |
| TNM stage | |||
| Tis | 0 | 0 | |
| T1 | 1 | 1.69 | |
| T2 | 17 | 28.81 | <0.001 |
| T3 | 38 | 64.41 | |
| IV | 13 | 22.03 | |
| Grade | |||
| Well differentiated | 7 | 12.07 | |
| Moderately differentiated | 31 | 53.45 | <0.001 |
| Poorly differentiated | 20 | 34.48 | |
| Surgical approach | |||
| Extended partial cystectomy | 42 | 72.41 | |
| Partial cystectomy | 10 | 17.24 | <0.001 |
| Radical cystectomy | 6 | 10.34 | |
| Lymph node dissection | 21 | ||
| Positive | 6 | 28.57 | |
| Positive surgical margin | 2 | 3.39 | |
| Local abdominal metastasis | 11 | 18.64 | |
| Adjuvant chemotherapy | 18 | 30.51 | |
| Adjuvant radiotherapy | 4 | 6.78 |
UrC, urachal carcinoma; NOS, not otherwise specified.