Endocervical Adenocarcinoma With Morphologic Features of Both Usual and Gastric Types: Clinicopathologic and Immunohistochemical Analyses and High-risk HPV Detection by In Situ Hybridization.

The fourth edition of the World Health Organization classification set up new entities of endocervical adenocarcinoma (ECA), namely the “usual type” and “gastric type.” These 2 types are considered to be distinct histogenetically because of their differing immunophenotypes, human papillomavirus (HPV