Table 2.
Pathological features of BOT
| Variables | N (%) | |
|---|---|---|
| Location | Left | 84 (48.2) |
| Right | 63 (35.4) | |
| Bilateral | 31 (17.4) | |
| Diameter | ≥10 cm | 78 (43.8) |
| <10 cm | 74 (41.6) | |
| N/A | 26 (14.6) | |
| Histology | Serous | 71 (39.9) |
| Mucinous | 80 (44.9) | |
| Endometrioid | 18 (10.1) | |
| N/A | 9 (5.1) | |
| Stage | Ia | 76 (42.7) |
| Ib | 13 (7.3) | |
| Ic | 26 (14.6) | |
| II | 14 (7.8) | |
| III | 27 (15.2) | |
| N/A | 22 (12.4) | |
| Micropapillarya | Yes | 20 (28.2) |
| Microinvasiona | Yes | 11 (15.5) |
| Intraepithelial neoplasiab | Yes | 20 (25.0) |
| Pelvic lymph node | Positive | 15 (15.2) |
| Negative | 84 (84.8) | |
| Para-aortic lymph node | Positive | 6 (16.7) |
| Negative | 30 (83.3) | |
| Invasive implants | Yes | 8 (4.5) |
| Residue | 2 (1.1) | |
| 176 (98.9) |
N/A data not available; a% of serous tumors; b% of mucinous tumor