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Difference between revisions of "Astrocytoma"
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An '''astrocytoma''' is a neoplasm derived from an [[neurohistology|astrocyte]]. Astrocytomas are common. This article is a brief introduction them. An overview of CNS tumours is found in the ''[[CNS tumours]]'' article. | An '''astrocytoma''' is a neoplasm derived from an [[neurohistology|astrocyte]]. Astrocytomas are common glial tumours and grouped together with [[Oligodendroglioma]] in the current WHO brain tumor classficiation. This article is a brief introduction them. An overview of CNS tumours is found in the ''[[CNS tumours]]'' article. | ||
=Overview= | =Overview= | ||
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| small cell, epitheloid/rhabdoid, with PNET componet, with granular cell component, giant cell, gliosarcoma | | small cell, epitheloid/rhabdoid, with PNET componet, with granular cell component, giant cell, gliosarcoma | ||
| [[File:Glioblastoma_(1).jpg|thumb|center|150px]] | | [[File:Glioblastoma_(1).jpg|thumb|center|150px]] | ||
|- | |||
| Diffuse midline glioma, H3 K27M-mutant, WHO IV | |||
| diffuse | |||
| | |||
| [[File:K27M mutant diffuse glioma of the midline.jpg|thumb|center|150px]] | |||
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|- | |- | ||
| Pilocytic astrocytoma, WHO I | | Pilocytic astrocytoma, WHO I | ||
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| Pleomorphic xanthoastrocytoma, WHO II (PXA) | | Pleomorphic xanthoastrocytoma, WHO II (PXA) | ||
| circumscribed | | circumscribed | ||
| | | | ||
| [[File:PXA_HE_x20.jpg|thumb|center|150px]] | | [[File:PXA_HE_x20.jpg|thumb|center|150px]] | ||
|- | |||
| Anaplastic pleomorphic xanthoastrocytoma, WHO III (PXA) | |||
| circumscribed | |||
| | |||
| | |||
|- | |- | ||
| Subependymal giant cell astrocytoma, WHO I (SEGA) | | Subependymal giant cell astrocytoma, WHO I (SEGA) | ||