Endometrial Hyperplasia

**Semantic type:** Disease or Syndrome

**Definition:** A proliferation of the endometrial cells resulting in glandular enlargement and budding. The proliferation may or may not be associated with atypia of the endometrial cells. When the hyperplastic changes are excessive, there is formation of complex epithelial structures (complex endometrial hyperplasia).

**Synonyms:** - Endometrial Glandular Hyperplasia - Hyperplasia - Hyperplasia of Endometrium - Hyperplasia of the Endometrium - endometrial hyperplasia