Endometrial intraepithelial neoplasia (EIN) is the precursor of type I endometrioid adenocarcinoma. Distinguishing between hyperplasia and a precancerous lesion is important in optimizing management.
Note: the above is the system developed by the International Endometrial Collaborative Group | Other classification systems exist and ACOG does not endorse a particular EIN classification system
Considerations for Oophorectomy
Morcellation – Proceed with Caution
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