Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

AB 4th Year Medical Specialties > Neuro - Tumours > Flashcards

Neuro - Tumours Flashcards

You may prefer our related Brainscape-certified flashcards:
USMLE® Step 1 flashcards
1
Q

what is hydrocephalus?

A

accumulation of CSF in the ventricles/around the brain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

difference between non communicating and communicating hydrocephalus?

A

non communicating - obstruction in ventricles

communicating - blocked outside ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

features of normal pressure hydrocephalus?

A

wet
wacky
wobbly

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

features of hydrocephalus?

A 
reduced consciousness
papilloedema
headache
N+V
neck stiffness
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

features of hydrocephalus in kids?

A

tense fontanelles
increased head size
downward deviation of eyes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what happens in a subfalcine herniation?

A

cingulate gryus displaces under falx cerebri (midline)

ischaemia to motor and sensory cortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what happens in a tentorial herniation?

A

temporal lobe herniates over tentorium cerebelli

CN III palsy (down and out, blown pupil)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what happens in a cerebellar/tonsillar herniation?

A

tonsils herniate through foramen magnum

respiratory centre in medulla compromised

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

what happens in a transcalvarial herniation?

A

swollen brain herniates through any skull defect

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

where is CSF formed?

A

choroid plexus of the lateral ventricles

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

route of CSF?

A 
choroid plexus of lat ventricles ->
3rd ->
cerebral aqueduct ->
4th ->
Subarachnoid space
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what absorbs CSF?

A

arachnoid granules

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

what can cause a non communicating hydrocephalus?

A

meningitis

SAH

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

layers of spinal cord?

A

dura
arachnoid
pia

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Ix for hydrocephalus?

A

US <6 months/MRI

LP for communicating ONLY

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Tx for hydrocephalus?

A

treat cause

VP shunt

17
Q

what genetic condition is associated with mengiomas?

A

NF2

18
Q

where do meningiomas come from? do they become malignant?

A

mesenchymal cells in the meninges

rarely invade

19
Q

Ix for SOL?

A

CT

T1/2 weighted MRI

20
Q

features of a frontal lobe tumour?

A

personality change
brocas/wernicke’s
hemiparesis

21
Q

features of a temporal lobe tumour?

A

dysphasia
amnesia
homonymous hemianopia

22
Q

features of a parietal lobe tumour?

A

sensory loss

dysphasia

23
Q

commonest malignant brain tumour in kids?

A

medulloblastoma

24
Q

how does medulloblastoma commonly present? why?

A

raised ICP

occur in midline cerebellum so blocks CSF flow

25
Q

most common malignant brain tumour in adults? 2nd most common?

A

glioblastoma

oligodendroglial

AB 4th Year Medical Specialties (9 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions