Table 5. Pathological features of 26 patients with pulmonary mucoepidermoid carcinoma.
| Number(%) | Number(%) | ||
|---|---|---|---|
| Grade | Lymphatic metastasis (n = 22) | ||
| Low Grade | 18 | Present | 1 |
| High Grade | 8 | Absent | 21 |
| Location (n = 23) | Blood vessel invasion | ||
| Central/endobronchial | 19 | Present | 0 |
| Peribronchial | 4 | Absent | 26 |
| Mitotic figures | Resection margin (n = 22) | ||
| ≥4/10HPFs | 8 | Positive | 0 |
| <4/10HPFs | 18 | Negative | 22 |
| Cellular atypia | Calcification | ||
| Mild | 18 | Present | 11 |
| Moderate or Severe | 8 | Absent | 15 |
| Necrosis | Hyaline degeneration | ||
| Present | 5 | Present | 26 |
| Absent | 21 | Absent | 0 |
| Perineuralinvasion | Pleural involvement (n = 22) | ||
| Present | 1 | Present | 1 |
| Absent | 25 | Absent | 21 |