Table II.

HPV prevalence in adenocarcinoma (Holl et al. 2015; Pirog 2017; Pirog et al. 2018; Sal et al. 2016) ^{Inc. on behalf of UICC.Cervical glandular neoplasias (CGN}

ADC		% of ADC	% HPV positive
Usual type		75	80 - 100
Intestinal		8	83 - 100
Villoglandular*		3-6	100
Signet ring cell		rare	100
Endometrioid**		rare	100
	- From SCJ		100
	- From upper cervix/lower uterine		0
Serous		very rare	30
Clear cell		2-7	28
Gastric type		unknown	0
Mesonephric		rare	0

*villogladular ADC is a well differentiated variant of endocervical, endometrioid, or intestinal ADC.

** Endometrioid ADC is a rare variant developing from either tuboendometrioid metaplasia or endometriosis. The can be divided in tumors originating from the squamous columnar junction zone or from the upper part of the endocervix and lower uterine segment.