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CNS tumor
Astrocytic tumors
Pleomorphic xanthoastrocytoma

Reviewer: Eman Abdelzaher, M.D., Ph.D. (see Reviewers page)
Revised: 1 May 2013, last major update March 2012
Copyright: (c) 2005-2013, PathologyOutlines.com, Inc.

General
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Epidemiology
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Sites
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Clinical features
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Radiology
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Radiology images
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Contrast-enhanced axial CT image

Superficial tumor

Case reports
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Treatment
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Clinical images
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Surgical exposure

Gross description
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Micro description
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Micro images
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Various images of pleomorphic cells and cells with lipid

GFAP+


Staining vs. glioblastoma-giant cell variant

Various images/stains in pigmented tumor

1: eosinophilic granular bodies (arrows)
2: Rosenthal fibers
3: atypical cells with granular or foamy cytoplasm
and atypical nuclei with pseudoinclusions
(arrowhead) and mitotic figures (arrows)
4: multinuclear giant cells with tumor necrosis
and nuclear palisading and focal vascular
proliferation (arrows)

Positive stains
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Negative stains
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Electron microscopy description
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Differential diagnosis
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End of CNS tumor > Astrocytic tumors > Pleomorphic xanthoastrocytoma


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