Endometrial hyperplasia with atypia (endometrial intraepithelial neoplasia)
Endometrial hyperplasia with atypia (endometrial intraepithelial neoplasia)
Atypical hyperplasia (also referred to as EIN) shows both glandular crowding and, in many cases, obvious cytologic atypia, including more prominent nuclear enlargement with prominent basophilic nucleoli.