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37 Cards in this Set
- Front
- Back
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Is seizure higher in mets or primary tumor?
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primary tumor - low grade
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What tumor is assoc w/ epilepsy?
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Gliomas - oligodendro, ganglio, asto, mixed
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What 3 places for tumors cause papilledema?
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IIIV, pineal, post fossa
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What tumor is assoc w/ Von Hippel-Lindau
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hemagioblastoma
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What tumor is assoc w/ tuberous sclerosis?
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subependymal giant cell astrocytoma
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What tumor is assoc w/ NF I?
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optic glioma, astrocytoma, neurofibroma
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What tumor is assoc w/ NF II?
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acoustic neuroma, meningioma, ependymoma, astrocytoma
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What tumor is assoc w/ Li-Frumeni?
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astrocytoma, PNET
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What tumor is assoc w/ turcot syn?
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glioblastoma, medulloblastoma
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What is most common presentation of brain tumor?
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progressive neurologic deficit
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What tumor has MR that is hypointense on T1 and high signal changes that extend beyond tumor in T2?
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low grade glioma
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What are the 4 histo criteria for staging tumors?
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pleomorohism, mitose, endothelial proliferation, necrosis (II=1 criteria, III or IV=2)
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What is most common intra-axial primary tumor?
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astrocytoma - GBM
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What tumor is fibrillary, gemistocytic, protoplasmic?
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ordinary astrocytoma
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What is peak age grp of pilocytic astrocytoma?
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early teens
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Where is pilocytic astrocytoma usually found?
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cerebellum/BS > optic chiasm > CC
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What tumor has pseudopalisading areas of necrosis?
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GBM
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What tumor has fried egg appearance on histo?
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oligodendroglioma
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What is most common presentation of astrocytoma?
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inc ICP - HA, vomiting, papiledema
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What is most common presentation of fibrillary astrocytoma?
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seizures
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What is most common presentation of anaplastic astrocytoma?
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seizures
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What is most common presentation of GBM?
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inc ICP (HA, NV), metal status change, seizures
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What is most common presentation of oligodendroglioma?
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seizures
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What is most common presentation of ependymoma?
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HA
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What tumor has perivasc rosettes?
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ependymoma
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What is the most common brain tumor?
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mets
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What is desc order of CA that met to brain?
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lung > breast > kidney > GI > melanoma
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What is most common post fossa tumor in adults?
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mets
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Where do mets most often appear?
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border of grey/white matter in distribution of MCA
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Where does meningioma arise from?
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arachnoid
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What are 3 most common sites of meningioma?
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falx (parasagittal) > convexity > sphenoid
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What tumor forms psammoma bodies and whorl formation?
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meningioma
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Foster-Kennedy syn involves what tumor and what symptoms?
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large meningioma; optic atrophy and contra papilledema
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What tumor is classically found in IIIV blocking Monro?
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colloid cyst
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What is most common presentation of colloid cyst?
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HA
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What tumor forms a lesion at the acoustic n?
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schwannoma
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Describe Antoni A and B
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A=dense fibrillary tissue w/ bipolar cells; B=loose tissue
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