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2 ENT > ENT Radiology > Flashcards

ENT Radiology Flashcards

1
Q

when would a plain XR be used in ENT

A

suspected FB inhalation/ingestion

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2
Q

1st line investigation for dysphagia?

A

endoscopy

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3
Q

2nd line investigation for dysphagia?

A

Ba swallow

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4
Q

1st line investigation of a suspected pharyngeal pouch?

A

ba swallow

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5
Q

cause of pharyngeal pouch?

A

weakness in pharyngeal wall

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6
Q

when is USS used in ENT?

A

neck lumps
salivary gland disease
inflammatory msses eg abscess

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7
Q

1st line investigation of lymph nodes?

A

USS

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8
Q

why is USS good for children?

A

cheap and uninvasive

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9
Q

main Ix of neck lumps?

A

USS

FNA

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10
Q

what do benign lymph nodes look like?

A

have a central fatty hilum

rugby ball shaped

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11
Q

what does a colloid cyst look like on imaging?

A

round

uniform consistency

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12
Q

what does a papillary thyroid carcinoma look like on imaging

A

calcifications

not uniform

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13
Q

when would CT/MRI be used in the ear?

A

look at temporal bone for:
cholesteatoma
trauma

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14
Q

when would CT/MRI be used in throat/neck?

A

investigate infection, trauma, masses

look at causes for a vestibulocochlear palsy

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15
Q

when would CT/MRI be used in the nose?

A

paranasal sinuses for surgery

tumours

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16
Q

standard Ix for head and neck cancer?

A

CT neck and chest

17
Q

1st line imaging for brain involvement in ENT?

A

MRI

18
Q

what imaging is best for looking at the larynx?

A

CT

19
Q

why is CT done more often in elderly patients?

A

scan time is much shorter

20
Q

what colour do the extraocular muscles look like on MRI

A

white

21
Q

how is sinus surgery performed?

A

functional endoscopic sinus surgery (FESS)

22
Q

what imaging is used to investigate sensorineural deafness?

A

MRI

23
Q

what imaging is used to investigate conductive deafness?

A

CT

24
Q

what tumour can cause sensorineural deafness?

A

vestibular schwannoma

25
Q

what tumour can cause conductive deafness?

A

cholesteatoma

2 ENT (13 decks)

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