Table 2.
Ultrasound characteristics and classification of adnexal masses at diagnosis (1st evaluation).
| Patient Group (Total Number of Masses, Percentage) |
Premenopausal Women (n = 328, 57.2%) |
Postmenopausal Women (n = 245, 42.8%) |
|---|---|---|
| Diameter of the lesion (mm) | ||
| Maximum | 140 | 135 |
| Median (SD) | 50.2 (20.7) | 46.7 (19.2) |
| Tumour type using IOTA terminology | ||
| Unilocular | 202 (61.6%) | 106 (43.3%) |
| Unilocular—solid | 9 (2.7%) | 12 (4.9%) |
| Multilocular | 90 (27.4%) | 90 (36.7%) |
| Multilocular—solid | 4 (1.2%) | 4 (1.6%) |
| Solid | 23 (7%) | 33 (13.5%) |
| Ultrasound examiner’s subjective assessment | ||
| Simple, para-ovarian or salpingeal cyst | 44 (13.4%) | 31 (12.7%) |
| Serous cystadenoma | 56 (23.5%) | 119 (48.6%) |
| Mucinous cystadenoma | 12 (3.7%) | 5 (2%) |
| Endometrioma | 98 (30%) | 6 (2.4%) |
| Teratoma | 39 (13.3%) | 14 (5.7%) |
| Fibroma of fibrothecoma | 21 (6.4%) | 34 (13.9%) |
| Hydrosalpinx | 40 (12.2%) | 15 (6.1%) |
| Serous cystadenofibroma | 8 (2.4%) | 12 (4.9%) |
| Abscess, salpingitis or pelvic inflammatory disease | 5 (1.5%) | 5 (2%) |
| Inclusion or peritoneal cyst | 1 (0.3%) | 3 (1.2%) |
| Not possible to define | 4 (1.2%) | 1 (0.4%) |