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Table 3 Histopathological characteristics of ovarian masses included in the study

From: A decision support system based on radiomics and machine learning to predict the risk of malignancy of ovarian masses from transvaginal ultrasonography and serum CA-125

Variable

Ovarian masses, number (%)

 Benign

132 (48.2)

 Malignant

142 (51.8)

 Total

274 (100.0)

Histopathological type of benign masses

 

 Serous cystoadenoma/cystoadenofibroma

48 (36.4)

 Mucinous cystoadenoma

9 (6.8)

 Endometrioma

12 (9.1)

 Ovarian fibroma/fibrothecoma

38 (28.8)

 Teratoma

8 (6.1)

 Pelvic inflammatory disease

2 (1.5)

 Peritoneal cyst/pseudocysts

3 (2.3)

 Hydrosalpinx

7 (5.3)

 Paraovarian cyst / paratubaric cyst

5 (3.8)

 Total

132 (100.0)

Histopathological type of malignant masses

 

 High-grade serous ovarian cancer

58 (40.9)

 Low-grade serous ovarian cancer

6 (4.2)

 Serous borderline tumour

12 (8.5)

 Mucinous borderline tumour gastrointestinal type

7 (4.9)

 Mucinous borderline tumour endocervical type

5 (3.5)

 Mucinous ovarian cancer

2 (1.4)

 Endometrioid ovarian cancer

4 (2.8)

 Clear cell ovarian cancer

4 (2.8)

 Granulosa cell ovarian tumour

3 (2.1)

 Ovarian carcinosarcoma

5 (3.5)

 Dysgerminoma

1 (0.7)

 Ovarian metastases from other tumour

22 (15.5)

 Tubal cancer

1 (0.7)

 Yolk sac tumour

3 (2.1)

 Immature teratoma

6 (4.2)

 Sertoli Leydig tumour

3 (2.1)

 Total

142 (100.0)

FIGO stage of primitive ovarian cancers

 

 IA

26 (21.7)

 IB

2 (1.7)

 IC1

4 (3.3)

 IC2

1 (0.8)

 IC3

6 (5.0)

 IIA

3 (2.5)

 IIB

6 (5.0)

 IIIA1

6 (5.0)

 IIIA2

1 (0.8)

 IIIB

9 (7.5)

 IIIC

37 (30.8)

 IVA

5 (4.2)

 IVB

14 (11.7)

 Total

120 (100.0)

  1. FIGO International Federation of Gynecology and Obstetrics