Otolaryngology Flashcards

1
Q

Where does oropharyngeal region comprise of

A

posterior 1/3 tongue, soft palate, uvula, posterior pharyngeal wall

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2
Q

MC site of head & neck cancer

A

tongue 50%

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3
Q

What are the RF of HPV+ve oropharyngeal cancer

A

non smoker
55-65 yo
multiple sex partners
history of oral sex

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4
Q

SCC by smoking, MOA

A

p16, tp53 downregulated

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5
Q

SCC by HPV

A

HPV E6 & 7 protein inactivates tp53 & pRb pathway

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6
Q

Choice of tx for oropharyngeal cancer

A

RT/CT (very effective)

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7
Q

MC site of laryngeal cancer

A

Glottis 60%
supraglottis 35%
subglottis 5%

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8
Q

Aetiology of nasopharyngeal ca

A

EBV infection

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9
Q

tx of ossicular discontinuity

A

ossiculoplasty

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10
Q

tx of otosclerosis

A

stapedectomy

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11
Q

How long should one have grommet

A

6-18/12

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12
Q

if patient says he can hear his heartbeat, what should you worry about?

A

benign neuroendocrine tumour

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13
Q

what are the four clinical assessment to determine cause of vertigo

A

headshake
halmagyi head thrust
hallpike
hyperventilation

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14
Q

what does hallpike determines

A

Benign position vertigo (rotating in bed)

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15
Q

What does headshake tells us

A

Meniere’s (too much production, or little drainage)

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16
Q

What is benign position vertigo and what is the tx?

A

Vertigo in specific position

tx: Epley manoeuvre

17
Q

What is the triad S&S of meniere’s

A

tinnitus. vertigo (rotary/sway), hearing loss

18
Q

what is the anterior and posterior artery for epistaxis

A

Kiesselbach’s 90%

sphenopalatine artery

19
Q

What is steeple sign indicative of

A

croup

20
Q

What is thumbprint sign indicative of

A

Epiglottitis

21
Q

Lat mass in child is suggestive of?

A

lymphoma such as cystic hygroma, haemangioma

22
Q

what’s the lvl that cause stridor and stertor and wheezing

A
stridor = laryngeal
stertor = above larynx
wheezing = below larynx
23
Q

what supplies the tonsil

A

ECA & CNXI

24
Q

what are midline neck mass

A

thyroid
thyroglossal
dermoid cyst

25
Q

what is lugwig angina

A

rapid bilat swelling of suprahyoid space, precipitated by dental procedures (2nd, 3rd molar)

26
Q

Aetiology of angiodema

A

IgE mediated = vasodilation, vascular permeability (insect bites)

not IgE e.g. ACE inhibitors

27
Q

Comoplications of acute sinusitis

A
  1. orbital cellulitis
  2. cavernous sinus thrombosis
  3. intracranial complications