Ocular neoplasia and ocular manifestations of systemic disease

Question 1

Which one of the following statements is most correct?
Select one:
a.In both dogs and cats most primary orbital tumours carry a high risk of metastatic spread
b.In cats most orbital tumours are secondary and carry a very poor prognosis.
c.Orbital tumours are always painless, in contrast to orbital abscessation
d. MRI scanning provides better visualisation of bony structures of the orbit than does CT and is therefore preferred for tumours of bone origin.

Answer 1

b.In cats most orbital tumours are secondary and carry a very poor prognosis.

Question 2

With respect to anterior uveal melanoma, which one of the following statements is true?
Select one:
a. In dogs anterior uveal melanoma has a reported metastatic rate of 25%
b. In cats anterior uveal melanoma has a reported metastatic rate of >60% according to Patnaik and Mooney 1998
c. In dogs melanoma is the second most common neoplasm of the uveal tract after ciliary body adenoma.
d. Mitotic index is an unreliable indicator of malignancy for anterior uveal melanoma in dogs and cats.

Answer 2

b. In cats anterior uveal melanoma has a reported metastatic rate of >60% according to Patnaik and Mooney 1998

Question 3

Regarding Feline Infectious Peritonitis (FIP), which one of the following statements is true?
Select one:
a.Signs of retinal blood vessel tortuosity and thickening are due to vasculitis or hyperviscosity
b.FIP is highly contagious and affected cats are at high risk of transmitting the disease to other cats.
c.Posterior uveitis is the most commonly reported ocular sign in affected cats
d.Ocular signs are reported in around 30% of effusive FIP cases

Answer 3

a.Signs of retinal blood vessel tortuosity and thickening are due to vasculitis or hyperviscosity

Question 4

Which of the following statements is most correct regarding feline systemic hypertension?
The earliest ophthalmic clinical abnormalities are usually:
Select one:
a. Hyperviscosity syndrome
b. Retinal detachment
c. Hyphaema and uveitis
d. Retinal arteriolar tortuosity

Answer 4

d. Retinal arteriolar tortuosity

Question 5

Which one of the following statements is most correct regarding diabetes and the eye?
Select one:
a. Diabetic cataract is common in cats
b. Diabetic retinopathy may develop in some dogs
c. Around 20% of diabetic dogs develop cataracts within 18 months of diagnosis
d. Cataract surgery is contra-indicated in diabetic dogs

Answer 5

b. Diabetic retinopathy may develop in some dogs

Question 6

true or false: In both dogs and cats more than 90% of orbital tumours are malignant.

Answer 6

true

Question 7

what are the 3 most common types of eyelid tumours in dogs?

Answer 7

sebaceous gland adenoma (accounting for 60% of all canine eyelid tumours), benign melanoma (17% of cases) and squamous papilloma (11% of cases)

Question 8

what % of anterior uveal melanomas tend to be benign in the dog?

Answer 8

75%

Question 9

in dogs and cats, what organs are most likely to be invaded by metastases from anterior uveal melanoma?

Answer 9

liver and lungs

Question 10

are ocular signs more common in effusive or non-effusive FIP?

Answer 10

non-effusive

Question 11

what is the most common ocular manifestation of FIP?

Answer 11

anterior uveitis