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Table 3 Frequency distribution of the histopathological classification of adnexal mass

From: Comparison of the predictive performance of risk of malignancy indexes 1–4, HE4 and risk of malignancy algorithm in the triage of adnexal masses

Subtype

N

%

Malignant tumors

 Serous cystadenocarcinoma

10

6.5

 Mucinous cystadenocarcinoma

2

1.3

 Endometroid adenocarcinoma

1

1.9

 Sarcomatous tumor

3

0.6

 Immature teratoma

2

1.3

 Granulosa cell tumor (malignant)

5

3.2

 Dysgerminoma

1

0.6

 Ovarian yolk sac tumor

1

0.6

 Fallopian tube adenocarcinoma

1

0.6

 Peritoneal carcinoma

1

0.6

Benign tumors

 Mature teratoma

38

24.5

 Benign ovarian cysts

32

20.6

 Endometrioma

25

16.1

 Endometriod tumor

6

3.9

 Serous cystadenoma

7

4.5

 Mucinous cystadenoma

6

3.9

 Tubo-ovarian abscess

5

3.2

 Leiomyoma

1

0.6

Borderline tumors

 Borderline serous cystadenoma

5

3.2

 Borderline mucinous cystadenoma

3

1.9

Total

155

100