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Table 1 Histopathological findings in 620 women with adnexal masses

From: Estimating the risk of malignancy of adnexal masses: validation of the ADNEX model in the hands of nonexpert ultrasonographers in a gynaecological oncology centre in China

Histological type

n (%)

Benign

402 (64.8)

Serous cystadenoma

115 (18.5)

Teratoma

111 (17.9)

Mucinous cystadenoma

81 (13.1)

Endometrioma

55 (8.9)

Fibrothecoma

15 (2.4)

Fibroma

7 (1.1)

Adenofibroma

2 (0.3)

Cystadenofibroma

2 (0.3)

Paraovarian cyst

6 (1.0)

Mesosalpinx cyst

4 (0.6)

Other benign ovarian lesion

4 (0.6)

Borderline

86 (13.9)

Serous

33 (5.3)

Mucinous

37 (6.0)

Endometrioid

2 (0.3)

Clear-cell

1 (0.2)

Sex cord-stromal tumours

13 (2.1)

Primary malignant

128 (20.6)

Serous adenocarcinoma

40 (6.5)

Clear cell carcinoma

31 (4.8)

Mucinous adenocarcinoma

28 (4.5)

Endometrioid adenocarcinoma

13 (2.1)

Serous/mucinous adenocarcinoma

7 (1.1)

Carcinosarcoma

3 (0.5)

Immature teratoma

3 (0.5)

Granulosa-cell tumour

2 (0.3)

Sertoli-Leydig

1 (0.2)

Ovarian metastasis

4 (0.6)