Table 2.

Pathological types of cervical adenocarcinoma and its human papillomavirus (HPV)-positive rate.

Pathological types (Reference)	Percentage of cervical adenocarcinoma, %	HPV-positive rate, % (17)
Endocervical (usual) type (15, 18)	73–79	80–100
Intestinal (15)	3–8	83–100
Villoglandular (15)	0.8–6	100
Signet-ring cell (15)	0.3	100
Endometrioid (13, 15)	1.1–1.6	27.3
-From squamous columnar junction zone	—	100
-From upper endocervix and lower uterine segment	—	0
Gastric (15, 18)	1.5–10	0
Clear cell (13, 18)	4.4–6.3	20–27.6
Serous (13, 15)	0.5–3.5	25–30.4
Mesonephric (15)	0.3	0