Table 1. Population Characteristics.
| Characteristics | No. (%) |
|---|---|
| Personal History (n = 1194) | |
| Menopausal | 511 (42.8) |
| History of pelvic surgery | 364 (30.5) |
| History of adnexal surgery | 134 (11.2) |
| History of infertility | 94 (7.9) |
| History of breast or ovarian cancer | 126 (10.5) |
| Known BRCA1/2 carriers | 13 (1.1) |
| Clinical Presentation (n = 1194) | |
| Pelvic pain | 384 (32.2) |
| Vaginal bleeding | 60 (5.0) |
| Palpable mass or increasing abdominal volume | 10 (0.8) |
| Urinary symptoms | 8 (0.7) |
| Amenorrhea | 6 (0.5) |
| Constipation or diarrhea | 2 (0.2) |
| Combination of previously mentioned symptoms | 53 (4.4) |
| None of these symptoms | 671 (56.2) |
| MRI Findings (n = 1194) | |
| 0 Lesions | 64 (5.4) |
| 1 Lesion | 802 (67.2) |
| 2 Lesions | 284 (23.8) |
| 3 Lesions | 44 (3.7) |
| Management (n = 1130) | |
| Primary surgery | 719 (63.6) |
| Secondary surgery | |
| After initial follow-up | 44 (3.9) |
| After primary chemotherapy | 5 (0.4) |
| 24 mo of clinical and/or imaging follow-up | 362 (32) |
| Imaging follow-up | 263 (23.3) |
| Disappearance | 96 (8.4) |
| Decrease of the mass | 15 (1.3) |
| Stability | 152 (13.4) |
| Clinical follow-up, ie, stabilitya | 99 (8.8) |
| Origin of Pelvic Mass From Reference Standard | |
| Masses, No. | 1502 |
| Adnexal | |
| Masses, No. | 1372 |
| Malignant, No./total, No. (%) | |
| Ovary | 253/1223 (20.7) |
| Tubo-ovarian | 9/125 (7.2) |
| Mesosalpinx | 0/24 |
| Nonadnexal | |
| Masses, No. | 130 |
| Malignant, No./total, No. (%) | |
| Uterus | 4/72 (5.5) |
| Peritonealb | 3/41 (7.3) |
| Colorectal | 5/5 (100) |
| Lymph node | 2/2 (100) |
| Other, eg, schwannoma, arterial aneurysm | 0/9 |
| Urothelial | 1/1 (100) |
Abbreviation: MRI, magnetic resonance imaging.
a
The 99 women without imaging follow-up had 122 lesions with the following clinical diagnoses: 23 nonadnexal masses including 14 leiomyomas, 5 peritoneal cysts, 3 hematoma, and 1 Nabothian cyst; 26 serous cystadenomas; 24 functional cysts; 23 endometrioma; 9 cystadenofibroma; 5 ovarian fibroma; 5 hydrosalpinx; 4 mature cystic teratoma; 2 mucinous cystadenoma; and 1 paraovarian cyst.
b
This category excludes tubo-ovarian peritoneal carcinoma and includes other purely peritoneal diseases, such as pseudoperitoneal cysts.