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the who 2000 tumor classification - Radiology - Uniformed Services ...

the who 2000 tumor classification - Radiology - Uniformed Services ...

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USU – Learning to Care for Those in Harm’s WayDiffuse AstrocytomaUSU – Learning to Care for Those in Harm’s WayBrainstem Glioma<strong>Radiology</strong> - http://rad.usuhs.edu<strong>Radiology</strong> - http://rad.usuhs.edu• Usually in <strong>the</strong> Pons• Usually Astrocytoma– Diffuse Astrocytoma Gr 2-4• Often ventrally exophytic– Surround Basilar Artery – elevate from Clivus• Midbrain - Mesencephalon• Dorsally exophyticOften PilocyticMODES OF SPREADExpansion of BrainAlong white matter tractsAlong surfaces - pia & ependymaAcross <strong>the</strong> meninges, , across <strong>the</strong> duraUSU – Learning to Care for Those in Harm’s Way<strong>Radiology</strong> - http://rad.usuhs.eduGlioblastoma: Ependymal spreadT1-gadT1-gadUSU – Learning to Care for Those in Harm’s WayGlioblastoma: SpreadSPREAD ALONG WM TRACTS:<strong>Radiology</strong> - http://rad.usuhs.edu• Corpus Callosum• Corona Radiata• Peduncles• Anterior Commissure• Arcuate Fibres, , etc.WM - callosalPial-meningeal

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