Surgery of the Ear

Question 1

which breed is more prone to hyperplastic ear canals following infection?

Answer 1

cocker spaniels

Question 2

what can be done for chronic, severe hyperplastic ear canals and failed medical management?

Answer 2

lateral ear canal resection
vertical ear canal resection
total ear canal ablation with lateral bulla osteotomy

Question 3

what are indications for total ear canal ablation with lateral bulla osteotomy?

Answer 3

“end stage” otitis externa
moderate/severe hyperplasia
failed efforts at medical/surgical management
tumors involving horizontal canal

Question 4

what are potential complications of total ear canal ablation?

Answer 4

hearing loss
facial nerve paralysis
persistent infection

Question 5

what benign neoplasias occur in ears of dogs and cats?

Answer 5

ceruminal gland adenoma/”feline cystadenomatosis” old cats
papilloma
basal cell tumor

Question 6

how can you treat otitis media with minimal otitis externa?

Answer 6

myringotomy, culture and sensitivity, antibiotics, +/- lavage
ventral bulla osteotomy, culture and sensitivity, antibiotics

Question 7

how can you treat squamous cell carcinoma of the pinna in cats?

Answer 7

pinna excision
cryotherapy