Table 2 Sonographic features of tumours in 620 women with adnexal masses
Characteristic | Malignant (n = 218) | ||||||
|---|---|---|---|---|---|---|---|
Benign (n = 402) | Borderline (n = 86) | Stage I OC (n = 75) | Stage II–IV OC (n = 53) | Metastasis (n = 4) | Total (n = 620) | p | |
Age (years) | 31 (27–39) | 38 (30–48) | 47 (41–53) | 48 (44–57) | 57 (46–62) | 44 (34–52) | < 0.001* |
CA 125 (U/mL) | 11.4 (8–17) | 18 (10–28) | 37 (15–83) | 204 (53–547) | 66 (28–137) | 26 (13–74) | < 0.001 * |
Max diameter of lesion (mm) | 63 (50–83) | 88 (53–121) | 106 (71–148) | 88 (64–143) | 81 (63–108) | 92 (64–133) | < 0.001* |
Presence of solid tissue | 44 (10.9) | 63 (73.3) | 70 (93.3) | 53 (100) | 4 (100) | 190 (30.6) | < 0.001 † |
Maximum diameter of largest solid component, if present (mm) | 30 (13–48) | 31 (21–49) | 46 (31–80) | 66 (57–79) | 74 (48–107) | 45 (26–67) | p = 0.001* |
Papillary projections present | 15 (3.7) | 45 (52.3) | 36 (48.0) | 28 (52.8) | 0 (0) | 109 (17.6) | < 0.001‡ |
0 | 387 (96.3) | 41 (47.7) | 39 (52.0) | 25 (47.2) | 4 (100) | 109 (17.6) | |
1 | 11 (2.7) | 31 (36.0) | 23 (30.7) | 8 (15.1) | 0 (0) | 62 (10.0) | |
2 | 2 (0.5) | 7 (8.1) | 3 (4.0) | 4 (7.5) | 0 (0) | 14 (2.3) | |
3 | 1 (0.2) | 3 (3.5) | 4 (5.3) | 5 (9.4) | 0 (0) | 12 (1.9) | |
> 3 | 1 (0.2) | 4 (4.7) | 6 (8.0) | 11 (20.8) | 0 (0) | 21 (3.4) | |
> 10 cyst locules | 3 (0.7) | 15 (17.4) | 8 (10.7) | 4 (7.5) | 0 (0) | 27 (4.4) | < 0.001 † |
Acoustic shadows | 121 (30.1) | 1 (1.2) | 5 (6.7) | 2 (3.8) | 0 (0) | 8 (1.3) | < 0.001 † |
Ascites | 3 (0.7) | 4 (4.7) | 11 (14.7) | 30 (56.6) | 3 (75.0) | 48 (7.7) | < 0.001 † |