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| {{SI}}
| | #REDIRECT [[Astrocytoma]] |
| {{CMG}}
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| {{Editor Help}}
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| __NOTOC__
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| == Overview ==
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| '''Pilocytic astrocytoma''' is a brain tumor that occurs predominantly in children and involves the midline, basal and posterior [[fossa]] structures. It is generally considered a [[benign]] tumor of childhood. It is often [[cystic]] and if solid, it tends to be well circumscribed. It is characteristically a contrast enhancing tumor by current imaging investigations (e.g. [[CT scan]], [[MRI]])
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| Microscopically, the tumor is composed of bipolar cells with long "hairlike" [[GFAP]]-positive processes. [[Rosenthal fiber]]s, [[eosinophilic]] granular bodies and microcysts are often present.
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| It is classified as '''Grade 1 [[Astrocytoma]]'''.
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| ==External links==
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| * [http://rad.usuhs.edu/medpix/medpix.html?mode=image_finder&action=search&srchstr=astrocytoma#top Medical Image Database]
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| * [http://www.med.uc.edu/neurorad/webpage/fba.html UC]
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| * [http://www.fightJPA.org fightJPA - An Organization Dedicated to Funding Research into Juvenile Pilocytic Astrocytoma]
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| == Acknowledgements ==
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| The content on this page was first contributed by: C. Michael Gibson, M.S., M.D.
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| Initial content for this page in some instances came from [http://www.wikipedia.org Wikipedia]
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| ----
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| {{SIB}}
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| [[no:Pilocytisk astrocytom]]
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| [[Category:Disease]]
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| [[Category:Neurology]]
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| [[Category:Oncology]]
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