Brain tumours Flashcards

1
Q

what should you request in a kid with headache, vomiting, walking on tiptoes

A

CT

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2
Q

what types of astrocytoma are truly benign

A

pliocytic, pleomorphic, xanthoastrocytoma

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3
Q

names of malignant astrocytomas (grades 3 and 4)

A

grade 3 - anapaestic astrocytoma

grade 4 - glioblastoma multiforme

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4
Q

what do low grade astrocytomas present with

A

seizures

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5
Q

good or bad prognosis if MGMT methylated tumour

A

good, live longer

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6
Q

treatment of malignant astrocytomas

A

surgery and radiotx and temozolamide

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7
Q

tumour that has a grey pink cut surface and involves frontal lobes

A

oligodendroglial tumours

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8
Q

how do oligodendroglial tumours usually present

A

seizures

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9
Q

oligodendroglial tumours tx

A

chemo

procarbazine, lomustine, vincristine

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10
Q

what do meningiomas arise from?

A

arachnoid ‘cap’ cells

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11
Q

there is a slight assoc between meningiomas and ?? cancer

A

breast

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12
Q

What should be done before tumour resection in meningiomas?

A

pre op embolisation because they are usually quite vascular

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13
Q

meningiomas - good or bad prognosis?

A

not bad, 5 yr survival 90%

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14
Q

acoustic neuromas (aka vestibular schwannoma) are ascot with ??, especially if ??

A

NF II, especially if bilateral

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15
Q

most common CNS germ cell tumour

A

germinoma

they are radiosensitive

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