Table 2 Pathological types of the 218 lesions.

From: Validation of the diagnostic efficacy of O-RADS in adnexal masses

Pathological findings

Number

Benign

166

  Endometrioma

52

  Mature teratoma

39

  Serous cystadenoma

29

  Mucinous cystadenoma

14

  Fibroma and fibrothecoma

5

  Brenner tumor

1

  Fallopian tube diseases

10

  Other

16

Malignant

52

  Serous cystadenocarcinoma

21

  Mucinous cystadenocarcinoma

6

  Clear cell tumor

7

  Endometrioid carcinoma

3

  Immature teratoma

2

  Krukenberg tumor

4

  Borderline tumor

Serous borderline ovarian tumor

4

Mucinous borderline ovarian tumor

2

  Other

3