loading...| Preferred Name |
Astrocytoma |
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| Synonyms |
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| Definitions |
Neoplasms of the brain and spinal cord derived from glial cells which vary from histologically benign forms to highly anaplastic and malignant tumors. Fibrillary astrocytomas are the most common type and may be classified in order of increasing malignancy (grades I through IV). In the first two decades of life, astrocytomas tend to originate in the cerebellar hemispheres; in adults, they most frequently arise in the cerebrum and frequently undergo malignant transformation (MeSH). |
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| ID |
http://uri.neuinfo.org/nif/nifstd/birnlex_12619 |
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| createdDate |
2007-10-05 |
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| definingCitation |
Devita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2013-7; Holland et al., Cancer Medicine, 3d ed, p1082 |
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| definition |
Neoplasms of the brain and spinal cord derived from glial cells which vary from histologically benign forms to highly anaplastic and malignant tumors. Fibrillary astrocytomas are the most common type and may be classified in order of increasing malignancy (grades I through IV). In the first two decades of life, astrocytomas tend to originate in the cerebellar hemispheres; in adults, they most frequently arise in the cerebrum and frequently undergo malignant transformation (MeSH). |
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| label |
Astrocytoma |
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| MeshUid |
D001254 |
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| modifiedDate |
2007-10-05 |
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| preferred label |
Astrocytoma |
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| scope note |
Grades I-III go here, with pathol |
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| synonym |
Astrocytic Glioma Astroglioma |
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| usageNote |
The following Entry Terms in MeSH imply a series of sub-types based on anatomical location, developmental onset, histological profile, and neoplastic state: Astrocytoma, Grade I; Astrocytoma, Grade II; Astrocytoma, Grade III; Astrocytoma, Protoplasmic; Astrocytoma, Subependymal Giant Cell; Cerebral Astrocytoma; Childhood Cerebral Astrocytoma; Fibrillary Astrocytoma; Gemistocytic Astrocytoma; Intracranial Astrocytoma; Juvenile Pilocytic Astrocytoma; Oligoastrocytoma, Mixed; Pilocytic Astrocytoma; Subependymal Giant Cell Astrocytoma |
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