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6. Neurology (Medical Knowledge) > [space occupying lesions] > Flashcards

[space occupying lesions] Flashcards

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USMLE® Step 1 flashcards
1
Q
A

6th
longest intracranial course

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2
Q
A

Raised ICP

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3
Q
A

raised ICP
personality change
Focal neurology (abducens most common)
seizures

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4
Q
A

tumour (1 or 2ry)
aneurysm
cyst
subdural haematoma
abscess

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5
Q
A

CT

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6
Q
A

Coning (cerebellar tonsils herniate through foramen magnum)

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7
Q
A

surgical resection

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8
Q
A

chemo-radiotherapy

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9
Q
A

ventriculo-peritoneal shunt

(shunt all the way from ventricle to peritoneal cavity!)

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10
Q
A

carmustine wafers

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11
Q
A

severe cerebral oedema

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12
Q
A

normal = dexamethasone
acute raised ICP = mannitol

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13
Q

[SOL][localising features]: damage to which lobe would result in wernickes dysphasia?

A

temporal

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14
Q

[SOL][localising features]: damage to which lobe would result in brocas dysphasia

A

frontal

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15
Q

[SOL][localising features]: what are the characteristics of brocas dysphasia

A

preserved comprehension, impaired expression

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16
Q

[SOL][localising features]: what are the characteristics of Wernickes dysphasia

A

impaired comprehension, preserved ability to speak fluently but content is empty

17
Q

[SOL][localising features]: damage to which lobe would result in amnesia

A

temporal

18
Q

[SOL][localising features]: damage to which lobe would result in hemiparesis

A

frontal

19
Q

[SOL][localising features]: damage to which lobe would result in personality changes/lack of initiative or drive

A

frontal lobe

20
Q

[SOL][localising features]: damage to which lobe would result in executive dysfunction

A

frontal lobe

21
Q

[SOL][localising features]: damage to which lobe would result in reduced verbal fluency - e.g. name words beginning with A

A

frontal

22
Q

[SOL][localising features]: over familiarity, copying other people postures, disinhibition and utilization behaviour (puts glasses on, then another pair etc) is indicative of … syndrome

A

orbitofrontal

23
Q

[SOL][localising features]: damage to which lobe would result in hemisensory loss

A

parietal

24
Q

[SOL][localising features]: damage to which lobe would result in reduced 2 point discrimination

A

parietal

25
Q

[SOL][localising features]: damage to which lobe would result in inability to recognise objects by touch

A

parietal

26
Q

[SOL][localising features]: damage to which lobes could result in dysphasia

A

temporal (wernicke)
parietal
frontal (broca)

27
Q

[SOL][localising features]: damage to which lobe would result in contralateral homonymous hemianopia

A

temporal

28
Q

[SOL][localising features]: damage to which lobe would result in contralateral homonymous upper quadrantopia

A

temporal (with only meyers loop affected)

29
Q

[SOL][localising features]: damage to which lobe would result in contralateral visual field defects/polyopia

A

occipital

30
Q

[SOL][localising features]: what mneumonic can be used to remember symptoms of cerebellar damage

A

DASHING

Dysdiadochokinesis/Dysmetria (pastpointing)
Ataxia
Slurred speech
Hypotonia
Intention tremor
nystagmus
gait abnormality

31
Q

[SOL][localising features]: damage to which brain area would occur in an acoustic neuroma/vestibular schwannoma

A

cerebellopontine angle

32
Q

[SOL][localising features]: damage to which lobe would result in ipsilateral deafness

A

cerebellopontine angle

33
Q

[SOL][localising features]: damage to which lobe would result in nystagmus

A

cerebellopontine angle

34
Q

[SOL][localising features]: damage to which lobe would result in 5th, 6th or 7th CN palsys

A

cerebellopontine angle

35
Q

[SOL][localising features]: damage to which lobe would result in dissociated pupil response/failure of up/down gaze

A

midbrain

6. Neurology (Medical Knowledge) (24 decks)

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