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CNS tumor
Neuroepithelial tumors of uncertain origin
Astroblastoma

Reviewer: Eman Abdelzaher, M.D., Ph.D. (see Reviewers page)
Revised: 8 October 2014, last major update March 2013
Copyright: (c) 2005-2014, PathologyOutlines.com, Inc.

General
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Grading
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Epidemiology
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Clinical features
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Radiology
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Radiology images
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Various images

Huge well-demarcated mass in frontal lobe

Prognostic factors
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Case reports
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Treatment
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Gross description
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Micro description
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Micro images
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Well differentiated and malignant tumors

Well-developed perivascular pseudorosettes

Short and thick cytoplasmic processes

Fibrovascular stroma


H&E

GFAP+

S100+, vimentin+, CAM 5.2+


Case of the Week #312:


EMA

GFAP

Trichrome

Positive stains
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Negative stains
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Electron microscopy description
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Molecular / cytogenetics description
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Differential diagnosis
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End of CNS tumor > Neuroepithelial tumors of uncertain origin > Astroblastoma


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