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KMID : 0357920020360010062
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Korean Journal of Pathology
2002 Volume.36 No. 1 p.62 ~ p.65
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Mixed Germ Cell-Sex Cord-Stromal Tumor of Non-Gonadoblastoma Type of Ovary: A Case Report
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Min Kwang-Seon
Choi Byung-Ha
Kim Kyu-Rae
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Abstract
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We described a case of mixed germ cell-sex cord-stromal tumor of non-gonadoblastoma type (GCSCT-NG)of the ovary in a 2-year-old girl and compared its histological, immunohistochemical and ultrastructural findings with those of gonadoblastoma. The germ cell component showed an immunopositivity for cytokeratin and epithelial membrane antigen(EMA) and a negative reaction for α-inhibin, alpha-fetoprotein(AFP), placental alkaline phosphatase (PLAP), vimentin and CD99. The sex cord elements showed an immunopositivity for cytokeratin, EMA, vimentin and inhibin, but negativity for AFP, PLAP, and CD99. The ultrastructural features showed desmosome-like cell junctions, suggesting spermatocytic differentiation from the primordial germ cells or gonocytes. Immunohistochemical and ultrastructural findings suggested that GCSCT-NG is probably a more differentiated form of mixed germ cellsex cord-stromal tumor than gonadoblastoma.
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KEYWORD
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Ovarian Neoplasms, Sex Cord, Stromal Tumor
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