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DeCS
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Descriptor English:
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Neuroectodermal Tumors, Primitive
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Descriptor Spanish:
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Tumores Neuroectodérmicos Primitivos
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Descriptor Portuguese:
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Tumores Neuroectodérmicos Primitivos
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Synonyms English:
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Ependymoblastoma
Medulloepithelioma
Neuroepithelial Tumors, Primitive
PNET
Spongioblastoma
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Tree Number:
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C04.557.465.625.600.590
C04.557.470.670.590
C04.557.580.625.600.590
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Definition English:
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A group of malignant tumors of the nervous system that feature primitive cells with elements of neuronal and/or glial differentiation. Use of this term is limited by some authors to central nervous system tumors and others include neoplasms of similar origin which arise extracranially (i.e., NEUROECTODERMAL TUMORS, PRIMITIVE, PERIPHERAL). This term is also occasionally used as a synonym for MEDULLOBLASTOMA. In general, these tumors arise in the first decade of life and tend to be highly malignant. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2059) |
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Indexing Annotation English:
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coord IM with BRAIN NEOPLASMS (IM) or specific precoord organ/neopl term (IM); do not confuse with MEDULLOBLASTOMA
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History Note English:
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2000(1994)
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Allowable Qualifiers English:
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Record Number:
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31257
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Unique Identifier:
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D018242
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Occurrence in VHL:
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Similar:
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DeCS SciELO LILACS LIS
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