Brain and Behavior: CNS tumors

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(no exam questions - discuss common presenting features of tumors)

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6 Terms

1
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…: heterogeneous group of neoplasms originating from CNS tissue and meninges, range from benign to aggressive

primary brain tumors

2
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Ionizing radiation use in therapeutic doses causes an increased risk of: … (3)

meningiomas, astrocytoma’s, sarcomas

3
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Clinical features of intracranial tumors: … (6)

raised ICP, early morning headache, nausea, vomiting, worse on bending, tonsillar herniation

4
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Tonsillar herniation due to intracranial tumors causes: … (4)

impaired consciousness, resp arrest, decerebrate posturing, death

5
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… causes false localizing signs

herniation

6
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COmmon false localizing signs: … (4)

unilateral hemiplegia, uncal herniation, unilateral 3rd nerve palsy, VI cranial nerve palsy