Hits: 8Number 2 post: RW click for help A proliferation of endometrial glands. Endometrial hyperplasia (EH) is a proliferation of endometrial glands. Endometrial glands are typically categorized into two groups: with atypia –neoplastic and without atypia (not neoplastic). Endometrial hyperplasia with atypia is of clinical significance because it may progress to, or coexist with, endometrial cancer....