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oral surgery 4th year > H and N oncology key points > Flashcards

H and N oncology key points Flashcards

1
Q

aetiology

A 
PREV SCC
cigarettes
alcohol
betel/pan
OH
diet
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2
Q

viruses that can contribute

A

HIV - Kaposi sarcoma
EBV - nasopharyngeal carcinoma
HPV - oropharyngeal and laryngeal squamous cell carcinoma

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3
Q

oropharynx

A

base of tongue
tonsil
SP

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4
Q

red flags for malignancy

A 
ulcer persists >2wks from removal of any obvious causation
rolled margins, central necrosis
speckled appearance
cervical lymphadenopathy - fixed
worsening pain
referred pain
weight loss
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5
Q

LNs 1a

A

submental

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6
Q

LNs 1b

A

submandibular

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7
Q

LNs 2

A

upper jugular chain

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8
Q

LNs 3

A

mid jugular chain

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9
Q

LNs 4

A

lower jugular chain

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10
Q

Lugol’s iodine

A

highlights dysplastic tissues

- abnormal cells which could become malignant

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11
Q

WHO performance scale - 0

A

fully active, able to carry on all pre-disease performance without restriction

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12
Q

WHO performance scale - 1

A

restricted in physically strenuous activity but ambulatory and able to carry out work of a light or sedentary nature

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13
Q

WHO performance scale - 2

A

ambulatory and capable of all self-care but unable to carry out any work activities
up and about >50% of waking hours

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14
Q

WHO performance scale - 3

A

capable of only limited self-care, confined to bed/chair >50% waking hours

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15
Q

WHO performance scale - 4

A

completely disabled, cannot carry on any self-care

totally confined to bed/chair

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16
Q

WHO performance scale - 5

A

dead

17
Q

tx options

A 
curative vs palliative vs best supportive care
nil
surgery
radio
chemo
chemoradio
dual or triple modality
18
Q

primary site

A 
resection and packing
resection and primary closure
resection and reconstruction
local flap
pedicled flap
free flap
19
Q

donor sites

A

radial forearm
anterolateral thigh
fibula
composite scapula

20
Q

ORN

A

necrotic bone in a prev radiotherapised field

hypoxia, hypocellular and hypovascularity

21
Q

classification of ORN

A

1,2,3
1 - asymptomatic exposed bone
3 - cutaneous fistulation +/- pathological fracture

oral surgery 4th year (10 decks)

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