surgical conditions of the ear Flashcards
1
Q
conditions affecting the pinnae
A
- trauma
- neoplasia
2
Q
surgical options for the pinnae
A
- pinnal laceration repair
- aural haematoma
- partial pinnectomy
- complete pinnectomy
3
Q
pinnal laceration care
A
- control the bleeding
- what tissue is involved?
- how big is the wound?
- how deep is the wound?
- what caused it?
4
Q
aural haematoma treatment options
A
medical:
- steroids, aspiration, compression bandages
surgical:
- sutures, buttons, tubing, active drain
5
Q
complications
A
- communication (pinnectomy at early stage could prevent need for future surgery)
- relatively low risk
- removal of protective barrier for foreign bodies
6
Q
conditions affecting the external ear
A
- inflammation/infection
- can be caused by conformation, allergy, bacterial, parasites, foreign bodies
7
Q
benign neoplasia affecting ear canal
A
- ceruminous adenoma
- basal cell carcinoma
8
Q
malignant neoplasia affecting ear canal
A
- ceruminous adenocarcinoma
- squamous cell carcinoma
- melanoma
9
Q
lateral wall resection indications
A
- disease isolated to lateral vertical ear canal
- improves drainage and ventilation of horizontal ear canal
10
Q
vertical ear canal ablation indications
A
- disease affecting whole of vertical ear canal
- improves drainage and ventilation of horizontal ear canal
11
Q
total ear canal ablation and lateral bulla osteotomy
A
- removes whole ear canal
- non-responsive to medical treatment
- advanced neoplasia
12
Q
middle ear disease in dogs
A
- glue ear (cavaliers)
- otitis media
- neoplasia
13
Q
middle ear disease in cats
A
- otitis media
- neoplasia
- polyps
14
Q
ear canal surgery prep
A
- lateral recumbency
- head and neck slightly raised, legs backwards
- head rotated ventrally 30 degrees
- clip entire pinna, caudal border of eyelid, lateral neck
- support pinna during prep
15
Q
complications of outer ear surgery
A
- haemorrhage
- nerve injury (horner’s syndrome)
- vestibular problems
- infection
- fistula formation
- hearing loss
- cholesteatoma
