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The Korean Journal of Pathology 1992;26(2): 180-185.
Uterine Tumor Resembling Ovarian Sex-Cord Tumor: A case report.
Il Seon Lee, Soon Bong Chung, Bang Hur, Man Ha Huh
Department of Pathology, Kosin Medical College, Pusan, Korea.
The authors report a case of uterine tumor resembling ovarian sex-cord tumor in a 31-year-old woman with emphasis on immunohistochemistry. Histologically this case showed identical features to a well-recognized endometial stromal tumor except for focal epithelial-like differentiation that resembled sex-cord tumors of the ovary. The sex-cord like differentiation of tumor cells were manifested by trabeculae, plexiform cords, and gland-like pattern. We diagnosed this case, according to the features described by Clement and Scully(1976), as uterine tumor resembling ovarian sex-cord tumor, group I. Although the histogenesis of this tumor is unclarified, most authors believe that this tumor may be originated from multipotent mesenchymal cells of the uterus. On immunohistochemical stains, Desmin was uniformly reactive in epithelial-like cells and in focal areas of endometrial stromal sarcoma-like component. Vimentin was partly reactive in all tumor components, however EMA was non-reactive.
Key Words: Uterine tumor resembling ovarian sex-cord tumor; Endometrial stromal sarcoma; Epithelial differentiation