Ear Trauma

Question 1

examples of ear trauma

Answer 1

pinna haematoma
lacerations
temporal bone fractures
sudden SNHL
foreign bodies

Question 2

most common pinna haematoma

Answer 2

sub-perichondrial haematoma

Question 3

management of sub-perichondral pinna haematoma

Answer 3

incision
aspiration
drainage
apply pressure dressing
no sport for 2 weeks

Question 4

management of lacerations

Answer 4

debridement, closure (primary or reconstruction) and antibiotics

Question 5

presentation of temporal bone fractures

Answer 5

Battle sign (bruising behind the ear) is very specific to mastoid process of temporal bone fracture

Question 6

diagnosis of temporal bone fracture

Answer 6

check tympanic membrane and ear canal
check facial nerve function (EMG)
hearing test

Question 7

classification of temporal bone fracture

Answer 7

longitudinal

transverse

Question 8

describe longitudinal temporal bone fracture

Answer 8

more common
lateral blow
bleeding can cause haemotympanum and ossicular chain disruption (incus separated)- CHL, facial palsy and CSF otorrhoea

Question 9

describe transverse temporal bone fracture

Answer 9

frontal blow
can cross internal acoustic meatus damaging facial nerve (facial palsy)
vertigo
SNHL due to damage to 8th CN

Question 10

management of sudden SNHL

Answer 10

emergency
diagnose with Weber’s test
high dose steroids

Question 11

foreign body management

Answer 11

remove batteries urgently

drown live animals and then remove next day