oral and mammary tumors

Question 1

what are the four most common canine oral tumors in order

Answer 1

1. malignant melanoma
2. squamous cell carcinoma
3. fibrosarcoma
4. acanthous ameloblastoma

Question 2

melanoma appearance

Answer 2

big black mass
locally invasive
highly metastatic
prognosis not good

Question 3

melanoma treatment

Answer 3

surgical removal associated with high rates of recurrence.
plasmid vaccine immunotherapy available but expensive
<3 months lifespan if distant metastases are seen

Question 4

describe oral scc

Answer 4

Low metastatic rate
locally invasive
more common in cats

Question 5

canine oral scc treatment

Answer 5

proxicam and carboplatin

Question 6

describe canine tonsillar SCC

Answer 6

causes dysphagia and coughing.
enlarged cervical lymph nodes lead to abscessation
70% metastatic
poor prognosis

Question 7

describe canine oral fibrosarcoma

Answer 7

large bree middle aged dogs predisposed
locally invasive
low metastatic rate
may be histologically benign but biologically high grade

Question 8

canine oral fibrosarcoma treatment

Answer 8

surgical removal with 3-5cm margins alongside radiotherapy

Question 9

describe acanthous ameloblastoma

Answer 9

non metastatic lesion arising from gingiva.
Has aggressive local behaviour and bone invasion

Question 10

what are the two oral neoplasms that affect cats

Answer 10

oral squamous cell carcinoma
feline fibrosarcoma

Question 11

describe feline oral scc

Answer 11

most common. locally invasive with low metastatic risk. causes considerable discomfort.
poor prognosis if located on tongue however surgical removal succesful if located on gums

Question 12

describe feline fibrosarcoma

Answer 12

very locally invasive non metastatic
mandiblectomy to treat

Question 13

what are other non neoplastic lesions seen in the mouth

Answer 13

viral papillomtosis (self resolving)
eosinophillic granuloma (affects tongues of dogs and upper lips of cats. surgery and steroids to treat)