SA Oropharyngeal Surgery

Question 1

List five benign oral neoplasias

Answer 1

Gingivial hyerplasia
Epulides (fibromatous and ossifying)
Papillomatosis
Fibro-osseous lesion
Odontogenic cyst

Question 2

What is the most common malignant oral neoplasia in cats?

Answer 2

Squamous cell carcinoma

Question 3

What are two common malignant oral neoplasias of dogs?

Answer 3

Melanoma
Fibrosarcoma

Question 4

List four methods to diagnose oral neoplasia.

Answer 4

Clinical signs
Imaging
Biopsy
Lymph node aspirate

Question 5

What is a mandibulectomy?

Answer 5

Excision of a portion or one side of the mandible.

Question 6

What are the two major complications with a mandibulectomy?

Answer 6

Wound dehiscence and difficulty eating

Question 7

What are the two main complications of a maxillectomy?

Answer 7

Dehiscence
DIfficulty eating

Question 8

What is the difference between a primary and secondary cleft palate?

Answer 8

Primary - hare lip
Secondary - hard and/or soft palate

Question 9

What is the treatment plan for a congenital oro-nasal fistulae?

Answer 9

Treated conservatively until patient size adequate for surgery (around 3-4 months) then surgery.

Question 10

What is the surgical treatment for an acquired oro-nasal fistuale?

Answer 10

Debride and then use labial and/or palatine flaps

Question 11

List four complications of oro-nasal fistula surgery

Answer 11

Dehiscence/recurrence
Need for multiple surgerues
Re-operations are more difficult
At times, small fistulae may be left

Question 12

List three surgical tonsillar diseases

Answer 12

Obstructive tonsils in BOAS
Tonsillar enlargement due to antigenic stimulation
Tonsillar SCC

Question 13

List two surgical nasopharyngeal disorders

Answer 13

Aural and nasopharyngeal polyps
Nasopharyngeal atresia/stenosis

Question 14

Which animals and of what age are aural and nasopharyngeal polyps most common in?

Answer 14

Common in young cats

Question 15

Where do aural and nasopharyngeal polyps originate from and where do they grow?

Answer 15

Middle ear epithlium/eustachian tube. They grow within nasopharynx or external auditory canal.

Question 16

What are the two methods of treatment of aural and nasopharyngeal polyps? Which is curative?

Answer 16

Resection (oral approach)
Bulla osteotomy (VBO) - CURATIVE

Question 17

What is the cause of nasopharyngeal atresia/stenosis?

Answer 17

Due to acquired (infection-trauma) or congenital narrowing of the choanae.

Question 18

List the two treatment methods of nasal atresia/stenosis.

Answer 18

Open surgery and resection of the stenotic area.
Endoscopic guided resection stent.

Question 19

What is a glossectomy?

Answer 19

Amputation of a portion of the tongue.

Question 20

What percentage of the tongue is able to be amputated?

Answer 20

40-60%

Question 21

How would you perform a glossectomy?

Answer 21

Resection with a blade and then use diathermy.