Table 1.
Clinical and Tumor Characteristics in Patients (N=130) with EOC
| Characteristic | n (%) |
|---|---|
| Age at time of surgery | 59 (26–90)a |
| <40 years | 10 (7.7) |
| 40–59 years | 62 (47.7) |
| 60–79 years | 44 (33.8) |
| >79 years | 14 (10.8) |
| Tumor localization | |
| Unilateral—left | 60 (46.2) |
| Unilateral— right | 64 (49.2) |
| Bilateral | 6 (4.6) |
| FIGO stage | |
| Ia | 73 (56.2) |
| Ib | 2 (1.5) |
| Ic | 53 (40.8) |
| IIa | 2 (1.5) |
| Frozen section results | |
| Not performed | 42 (32.3) |
| Benign | 5 (3.8) |
| Borderline | 9 (6.9) |
| At least borderline | 15 (11.5) |
| Malignant | 58 (44.6) |
| Other | 1 (0.8) |
| Histologic cell type | |
| Mucinous | 35 (26.9) |
| Papillary | 2 (1.5) |
| Serous | 16 (12.3) |
| Papillary mucinous | 1 (0.8) |
| Serous papillary | 25 (19.2) |
| Endometrioid | 30 (23.1) |
| Clear-cell | 16 (12.3) |
| Malignant Brenner tumor | 1 (0.8) |
| Undifferentiated carcinoma | 2 (1.5) |
| Adenocarcinoma (not specified further) | 2 (1.5) |
| Tumor grade | |
| I | 54 (41.5) |
| II | 41 (31.5) |
| III | 19 (14.6) |
| Unknown | 16 (12.3) |
| Attendance of gynecologic oncologist | |
| No | 81 (68.6) |
| Yes | 22 (18.6) |
| Gynecologic oncologist (LUMC) | 15 (12.7) |
| Surgical staging performance | |
| Adequate | 56 (43.1) |
| Inadequate | 62 (47.7) |
| Surgical staging not purposed | 12 (9.2) |
| Treatment according to protocol | |
| Yes | 75 (57.7) |
| No | 55 (42.3) |
a
Numbers indicate median (range).
EOC, early ovarian cancer; FIGO, International Federation of Gynecologic Oncologists; LUMC, Leiden University Medical Center.