Borderline Ovarian Endometrioid Tumor/Atypical Proliferative Ovarian Endometrioid Tumor

**Semantic type:** Neoplastic Process

**Definition:** An epithelial neoplasm that arises from the ovary characterized by the presence of glandular or cystic spaces which contain atypical glandular epithelial cells resembling endometrial cells. The surrounding ovarian stroma is often fibrotic. There is no evidence of stromal invasion.

**Synonyms:** - Borderline Endometrioid Neoplasm of Ovary - Borderline Endometrioid Neoplasm of the Ovary - Borderline Endometrioid Tumor of Ovary - Borderline Endometrioid Tumor of the Ovary - Borderline Ovarian Endometrioid Neoplasm - Borderline Ovarian Endometrioid Tumor - EBT/APET - Endometrioid Neoplasm of Low Malignant Potential - Endometrioid Neoplasm with Proliferating Activity, Ovarian - Endometrioid Tumor of Low Malignant Potential - Endometrioid Tumor with Proliferating Activity, Ovarian - Endometrioid tumor of low malignant potential - Low Malignant Potential Endometrioid Neoplasm of Ovary - Low Malignant Potential Endometrioid Neoplasm of the Ovary - Low Malignant Potential Endometrioid Tumor of Ovary - Low Malignant Potential Endometrioid Tumor of the Ovary - Low Malignant Potential Ovarian Endometrioid Neoplasm - Low Malignant Potential Ovarian Endometrioid Tumor - Ovarian Endometrioid Borderline Neoplasm - Ovarian Endometrioid Borderline Tumor - Ovarian Endometrioid Neoplasm of Low Malignant Potential - Ovarian Endometrioid Neoplasm with Proliferating Activity - Ovarian Endometrioid Tumor of Low Malignant Potential - Ovarian Endometrioid Tumor with Proliferating Activity - Proliferating Endometrioid Neoplasm of Ovary - Proliferating Endometrioid Neoplasm of the Ovary - Proliferating Endometrioid Tumor of Ovary - Proliferating Endometrioid Tumor of the Ovary - Proliferating Ovarian Endometrioid Neoplasm - Proliferating Ovarian Endometrioid Tumor