| Normal proliferative endometrium |
Flat endometrial mucosa with no evident vascular network |
| Polyp |
New growth with a vascular axis |
| Atrophic polyp |
new growth with vascular axis and subtle regular vascular network |
| Myoma |
A regular branching of vessels on a whitish surface |
| Chronic endometritis |
Inhomogeneous endometrium, blue, green, or brown colored depending on vascularization characteristics; dilatation of superficial and subepithelial vascular network; blue spots corresponding to intramucosal petechiae; micropolyps with a vascular axis |
| Low-risk hyperplasia |
Thick endometrium with no evident or subtle vascular network |
| High-risk hyperplasia |
Thick endometrium or irregular endometrial surface with irregular vessels |
| Endometrial cancer |
Vegetations, profound alterations in mucosal architecture, cerebroid aspects, atypical aspects of vessels |
