19. Perichondritis of the Auricle
It is the inflammation of perichondrium of
the auricular cartilage. Their is
subsequent collection of pus between
perichondrium and cartilage. It may result
cartilage necrosis and collapse of the
auricle.
20. Aetiology
# Following trauma
# Spread of infection from a furuncle
# May follow an operative procedure on
the ear
# following insect bite
29. Treatment
# In early stage, before collection of pus:
Systemic antibiotic.
# In late case: Incision & drainage of
abscess, debridement of necrotic cartilage.
36. Cerumen or wax
Cerumen is the mixture of secretion of
ceruminous and sebaceous glands situated in
cartilaginous part of external auditory canal. It
also contain shedded epithelium and dust
particle
37. Function of wax:
1. Anti bacterial action
2. Nature provision for removal of
dust and other foreign material.
63. Destruction of tissue of canal, pre
auricular & post auricular region, side
by side formation of granulation
tissue looks like a malignant process.
64.
65.
66. Complication is common
Osteomyelitis of skull base
Spreading cellulitis
Abscess in and around ear
Cranial nerve palsy- VII, IX, X, XII
Meningitis
Brain abscess
Lateral sinus thrombophlebitis
Death
79. Type of FB
1. Animate: Insects, fly, maggots etc
2. Inanimate:
a) Vegetable- peas, beans, seeds, cotton,
rubber etc.
b) Non vegetable- bead, stone,, paper,
battery, lead pencil, fragment of toys etc
82. Treatment
Kill the insect first by instillation of oil
General Aneasthesia
Children
Apprehensive adult
Impacted FB
First attempt failed
Instrument: Aural FB hook, ring curette, micro
crocodile forceps, sucker machine.
