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15 Cards in this Set
- Front
- Back
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INFRAtentorial brain tumors are commonly found in what are groups?
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children
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common presentations of CNS tumors
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- non focal neurological symptoms
- focal neurological symp - seizures - general symp of systemic ill - in children: Irritability |
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Cushing triad
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- HTN, bradycardia, irregular RR
present in increased ICP |
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Astocytoma
- location - ss - markers |
infratentorial
post cranial fossa tumor HA worst in am, relieved by vomiting. Hydrocephalus, wide based gait. - GFAP - GS |
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pilocytic astROcytoma
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- ROsenthal fibers
- GFAP - child post cranial fossa, low grade |
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medulloblaSToma
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malignant blue cell carcinoma
PNET Highly invasive 4th ventcl- malignant HOMER -WRIGHT rosettes child post fossa Drop mets |
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ePEndymoma
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PErivascular PSeudorosettes
4th ventricle post fossa |
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spinal ependymoma
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assoc w neurofibromatosis type 2
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glioblastoma multiforme
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intraparenchymal
most common PRIMARY tumor grade IV lethal = ( de novo- EGFR amplification secondary: loh 17p P53 mutation |
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glioblastoma
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astrocytoma crosses corp callosum
BUTTERFLY gliona, NECROSIS hemorrhage capillary proliferation PSEUDOPalisading serpentine pattern of necrosis |
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OliGodEndroglioma
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fried egg
chicken wire capillaries |
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primary CNS lymphoma
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AIDS
Ring enhancing lesion Epstein Barr Virus Hooping or onion crossed |
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Metastatic brain tumors
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most common brain malignancy
1-lungs 2-breast 3-skin 4-kidney 5-GI tract |
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meningioma
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female
progesterone receptor PsamMma bodies whorled appearance |
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schwannoma
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cerebello pontine angle
CN VIII Antoti A hypercell Antoni B mixed Verocay free |
