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KMID : 0357920000340121029
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Korean Journal of Pathology
2000 Volume.34 No. 12 p.1029 ~ p.1033
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Pineal Anlage Tumor - A case report -
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Choi Jong-Sun
Shin Hyung-Jin
Suh Yeon-Lim
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Abstract
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The term "pineal anlage tumor" has been recently proposed and few cases have been reported. We report the first Korean case of pineal anlage tumor in a 6-year-old girl who complained of headache and vomiting for 2 months. Brain MRI revealed a well defined, lobulated, calcifying mass in the pineal region. Tumor was totally removed. Pathological examination revealed a primitive pineal parenchymal tumor with melanotic epithelial component that was similar to histologic findings of melanotic neuroectodermal tumor of infancy, so-called retinal anlage tumor and of the developing pineal gland. The tumor was composed mostly of small, undifferentiated cells, Flexner-Wintersteiner rosettes, and ganglionic differentiation. The tumor also contained the cartilage and skeletal muscle cells.
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KEYWORD
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Pineal anlage tumor, Pineoblastoma, Melanotic neuroectodermal differentiation
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