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Pineoblastoma with Neuronal Differentiation -A case report-
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KMID : 0357919940280040433
Abstract
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A case of pineoblastoma In a 28-year-old male is reported. A Computericed
tomography showed hydrocephalus and a mass in the pineal region. Histologically, the
tumor is Composed of regular, patternless aggregates of small round undifferentiated
cells, resembling medulloblastoma-retinoblastoma group. Immunohistochemical reactivity
of the neoplastic cells for neutron specific enolase and synaptophysin demonstrates
neuronal differentiation. The patient underwent partial resection of the mass followed by
radiotherapy. The patient had no cerebrospinal dissemination at 8 month follow-up. The
pineoblastoma is a highly malignant neoplasm, one of the Class of primitive
neuroectodermnal tumers. The tumor is a very rare pineal parenchymal neoplasms,
representing an incidence of less than 01% of intracranial tumors. This is the first case
of pineoblastoma reported in Korea. In this report, the divergent differentiation of the
tumor is discussed, along with review of literatures.
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Pineoblastoma; Neuronal differentiation;
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