Neuropath - Tumors and Cysts 2

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  1. What tumors are commonly seen at the cerebello-pontine angle?
    • Schwanomas
    • Meningiomas
    • Epidermoids
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    • Epidermoid Cyst in the CPA
    • Relatively confined within and formed to the CPA
    • Density similar to CSF
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    • Meningioma in the CPA
    • Attached to the dura with a lentiform appearance
    • Enhances with contrast
    • Hyperintense
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    • Schwanomma
    • Extends into the the IAC
    • Hyperintense
    • Enhances
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    Craniopharyngioma
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    Glioma in the Suprasellar Region
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    Meningioma in the Suprasellar Region
  8. What are the common tumors in the suprasellar region in young patients?
    • Craniopharyngiomas
    • Gliomas
    • Germinomas
    • Hamartomas
    • Granulomatous Disease
  9. What are the common tumors int he suprasellar region in older patients?
    • Pituitary Adenoma
    • Meningiomas
    • Aneurysms
    • Craniopharyngiomas
    • Sarcoid
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    Pituitary Adenoma
  11. What are the common tumors of the pineal region?
    • Germ Cell: Germinoma, Teratoma, Choriorcarcinoma, Yolk Sac
    • Pineal: Pineocytoma and Pineoblastoma
    • Other: Meningioma, Tectal Glioma, PNET
  12. Name the spinal cord tumors that are commonly Intramedullary.
    • Ependymoma
    • Astrocytomas
    • Hemangioblastomas
    • Mets
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    • Intramedullary
    • Spainl Astrocytoma
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    • Intramedullary
    • Ependymoma
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    • Intramedullary
    • Hemagioblastoma
  16. What are the characteristics and differential for Intradural Extramedullary lesiosn of the spinal cord?
    • Widening of the CSF space withCSF surrounging the tumor
    • Nerve Sheath Tumor
    • Meningioma
    • Drop Mets (gliomas, germ cells, PNETs)
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    • Intradural Extramedullary
    • Spinal Meningioma
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    • Intradural Extramedullary
    • Spinal Drop Mets
  19. What are the characteristics and differential diagnosis for extradural lesions of thespinal cord?
    • External compression of the CSF space
    • Mets
    • Myeloma / Lymphoma / Leukemia
    • Vertebral Tumors
    • Hemangiomas
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    • Extradural
    • Spinal Hemangioma
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    Colloid Cyst
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    • Ependymoma of the 4th Ventricle
    • 4th > 3rd > Lateral
    • Hydrocephalus
    • 90% intracranial (2/3’s infratentorial) and 10% intraspinal- Infratentorial tend to be intraventricular (floor) while Supratentorial tend to be periventricular
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    Hemangioblastoma
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    • Medulloblastoma
    • 75% vermal, 25% CBLM hem
    • Hyperintense T2
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    • Neurocytoma
    • Most commonly located intraventricularly with 50% being near theIVF of Monroe and often may mimic a SEGA in appearance on imaging
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    Pontine Glioma
  27. What is the differential diagnosis for a lesion associated with the intraventricular region?
    • Colloid Cysts
    • SEGA
    • Neurocytoma
    • Meningioma (at the atrium)
    • Choroid Plexus Tumors
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    • Neurocytoma
    • Very similar in appearance to oligodendroglyomas with sheets of small- Honeycomb-like arrangement of the cells- Dark cells but will be positive for synaptiphysin
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    • Psamomma Bodies
    • Seen in Medulloblastoma

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Author:
jollyvulcan
ID:
164958
Filename:
Neuropath - Tumors and Cysts 2
Updated:
2012-08-05 11:39:15
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Neuropath Tumors Cysts
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Neuropath - Tumors and Cysts 2
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