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The Korean Journal of Pathology 1993;27(1): 85-87.
Giant Cystic Adenomatoid Tumor of the Uterus: A case report.
Young Hee Choi, Seoung Wan Chae, Hye Kyung Ahn, Min Chul Lee, Young Euy Park
Department of Pathology, College of Medicine, Hallym University, Chunchon, Korea.
Adenomatoid tumor of the uterus is a rare benign neoplasm which has been known as mesothelial origin. Characteristically, it appears as a small nodular lesion less than 2.0cm in the myometrium of subserosal region. We describe a case of giant adenomatoid tumor of the uterus having multicystic gross appearance. A 49-year-old woman complained of vaginal bleeding. The tumor was an intramural mass with maximum diameter of 10 cm and located at posterior wall of the uterus. Histologically, the tumor was composed of multiple cystic cavities of variable size lined by flattened cells, lying among thin septa of connective tissue. Immunohistochemically, the cells are positive for low molecular weight cytokeratin(CAM 5.2) and are negative for factor VIII.
Key Words: Uterus; Adeomatoid tumor