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44 Cards in this Set
- Front
- Back
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types of glial tumors |
diffuse astrocytoma glioblastoma multiforme oligodendroglioma ependymoma |
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three types of CNS tumors |
glial tumors meningiomas schwannomas |
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diffuse astrocytoma: age group |
30s and 40s |
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diffuse astrocytoma: occur in what part of the brain |
frontal and temporal |
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diffuse astrocytoma: symptoms |
seizure speech difficulty changes in sensation, motion and vision |
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diffuse astrocytoma: may be... |
cystic, spongy area |
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diffuse astrocytoma: histopathology |
well differentiated neoplastic astrocytes increased cellularity and mild nuclear atypia low mitotic activity |
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diffuse astrocytoma: gliomatosis cerebri |
diffuse infiltration |
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diffuse astrocytoma: likelihood of malignancy |
high liklihood diffuse astrocytoma, anaplastic astrocytoma, glioblastoma multiforme |
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diffuse astrocytoma: mean survival |
6 to 8 years |
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glioblastoma multiforme: what is it |
malignant astrocytic tumor |
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what is the most common brain tumor
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GBM |
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glioblastoma multiforme: what age group gets it |
older adults |
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glioblastoma multiforme: where is it found |
temporal lobe |
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glioblastoma multiforme: clinical history of symptoms |
is short |
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glioblastoma multiforme: also called |
the butterfly glioma |
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glioblastoma multiforme: histopathology |
poorly differentiated astrocytic cells marked nuclear atypia abudant mitosis microvascular proliferation necrosis multinucleated giant cells |
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glioblastoma multiforme: mean survival |
less than 1 year |
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glioblastoma multiforme: who has a better prognosis |
younger patients |
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oligodendroglioma: what age group gets it |
50s to 60s |
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oligodendroglioma: risk factors |
radiation and viruses |
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oligodendroglioma: what lobe is effected |
frontal |
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oligodendroglioma: history of symtpoms |
long history |
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oligodendroglioma: symptoms |
headache seizures |
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oligodendroglioma: may be... |
cystic, hemorrhagic, or have calcifications |
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oligodendroglioma: histopathology |
increased cellularity round homogeneous nuclei with clear cytoplasm - fried egg appearance may have some atypia and mitosis GFAP positivity small vessels separate tumor into lobules chicken wire vasculature |
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mean survival of oligodendroglioma |
4 years |
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meningioma: attaches to |
dura |
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meningioma: most occur over |
cerebral convexities |
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meningioma: ____% of spinal tumors |
25 |
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meningioma: seen in patients with |
neurofibromatosis type 2 |
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meningioma: what age group |
60s and 70s |
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symptoms of meningioma |
headache seizure site specific neurologic deficits |
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meningioma: appearance |
rubbery, firm, well circumscribed |
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meningioma: associated with |
radiaiton exposure |
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meningioma: histopathology |
encapsulated uniform cells with oval nuclei whoris of cells psammoma bodies |
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schwannoma: ___ of intracranial neoplasms |
8% |
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schwannoma: ___% of spinal neoplasms |
29 |
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schwannoma: associated wtih |
neurofibromatosis type 2 |
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schwannoma: what age group |
4 to 6th decade |
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examples of neurofibromatosis type 2 |
bilateral acoustic neuroma 8th cranial nerve: tinnitis, hearing difficulty, paresthesias |
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schwannoma: histopathology |
spindle shaped neoplastic schwann cells verocay bodies alternating compact areas and less cellular areas |
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schwannoma: does it become malignant |
rarely |
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schwannoma: tx |
resection is curative |
