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9 Cards in this Set
- Front
- Back
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What is the most common primary malignant
CNS tumor in children? |
Medulloblastoma
-midline -blue cell |
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What is the most common primary malignant
CNS tumor in adults? |
Glioblastoma
-ring enhancing -cross corpus callosum |
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What is the most common primary site for CNS
metastases? |
Lung
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What is the most common benign CNS tumor in
children? |
Pilocytic astrocytoma
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• Which of the following most significantly
increases risk for developing a CNS neoplasm? ▫ Electromagnetic fields ▫ Smoking ▫ Therapeutic radiation ▫ Occupation exposure ▫ Dietary N-nitroso compounds ▫ Trauma |
Therapeutic radiation
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What is the most common radiation-induced
intracranial tumor? How long does it take, on average, to develop after radiation exposure? |
Meningioma
8-10 years |
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Know the enhancement characteristics of the
various grades of diffuse astrocytoma. |
Low grade doesn't enhance. High grade enhances.
▫ Grade II: Non-enhancing ▫ Grade III: Patchy enhancement ▫ Grade IV: Ring enhancement |
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What is the most commonly mutated tumor
suppressor gene in diffuse astrocytomas? |
TP53
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Genetic mutation in ependymoma?
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Deletion of 1p/19q
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