pathology of intra-cranial tumours Flashcards

1
Q

SOL- space occupying lesion

A

haemorrhage, tumour, abscess

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2
Q

effects of the SOL

A

amount of tissue increases which raises intra-cranial pressure so brain shifts between intracranial spaces

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3
Q

squeezes on cortex and brainstem

A

morning headache and sickness

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4
Q

squeezes on optic nerve

A

causes papilloedema

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5
Q

what happens as pressure increases

A

papillary dilation- cranial nerve 3
GCS falls
brainstem death

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6
Q

where are tumours usually in adults

A

majority above tentorium

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7
Q

where are tumours usually in children

A

below tentoirum

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8
Q

where do meningiomas form from

A

arachnocytes which make up the covering of the brain
bengin and don’t metastasise but can invade the skull
slow-growing

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9
Q

acoustic neuroma

A

schwannoma effects 8th cranial nerve.
occurs at angle between pons and cerebellum
unilateral deafness
benign lesion but difficult to remove

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10
Q

pituitary adenoma

A

secretes pituitary hormones
grows on optic chiasma leading to vision problems

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11
Q
A
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