Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

18- SA- Neurology > Feline and Miscellaneous conditions- eye stuff > Flashcards

Feline and Miscellaneous conditions- eye stuff Flashcards

1
Q

Describe the presenting signs of eosinophilic keratitis

A

“Cottage cheese deposits”: white to pale pink elevated spots on cornea – may coalesce into a raised plaque

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Describe the presenting signs of corneal sequestrum

A

Varies from amber corneal discolouration to dark brown plaque

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Describe the presenting signs of Feline diffuse iris melanoma (FDIM)

A

Hyperpigmented iris spot(s), usually progressing to diffuse hyperpigmentation of whole iris +/- abnormalities in pupil shape +/- uveitis/glaucoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Describe the aetiology of Eosinophilic keratitis

A

Immune-mediated, possible connection with FHV-1

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Describe the diagnosis of Eosinophilic keratitis

A

Clinical appearance/cytology: mixed cellular infiltrate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

describe how to treat Eosinophilic keratitis

A

Topical corticosteroid (or ciclosporin) successful in most cases
Treatment may induce reactivation of latent FHV-1 infection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Describe the aetiology of Corneal sequestrum

A

Cause remains unknown, chronic irritation may predispose e.g. brachycephalic conformation, entropion, grid keratotomy

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Describe how to diagnose Corneal sequestrum

A

Characterisitc clinical appearance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Describe how to treat Corneal sequestrum

A

Ideally keratectomy +/- graft placement (may require referral); sometimes lesions will slough over time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Describe how to diagnose Feline diffuse iris melanoma (FDIM)

A

Suspect from clinical appearance
Histopathology for definitive diagnosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

describe how to treat Feline diffuse iris melanoma (FDIM)

A

Enucleation with histopathology if high index of suspicion
Guarded prognosis due to significant risk of metastasis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

List 4 signs that can suggest FDIM

A

Pigmented spots with raised surface
Pupil abnormalities – anisocoria, dyscoria
Progression of hyperpigmentation
Secondary uveitis/glaucoma

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

When should we enucleate

A

If masses growing rapidly
cells in anterior chamber
secondary glaucoma
infiltrating drainage angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Describe the appearance of iris melanoma in the dog

A

Usually a discrete, focal pigmented mass

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

describe the treatment of iris melanoma in a dog

A

Monitoring/enucleation if painful/worrying owner

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Describe the clinical signs of Horners syndrome

A

myosis
third eyelid protrusion
narrow palpebral fissure
(enopthalmos)

17
Q

List the 3 most common neuro diseases that affect the eye

A

Horner’s syndrome
Facial paralysis
neurogenic KCS

18
Q

Describe neurogenic KCS

A

Nerve affected: parasympathetic
Unilateral
Dry ipsilateral nostril common
May see secondary to otitis media

19
Q

what is cherry eye

A

prolapse of the gland of the third eyelid (Nicittans gland)

20
Q

What is chronic superficial keratitis/ pannus characterised by

A

Cellular infiltrate into cornea with vascularisation
+/- pigment deposition
+/- lipid deposition

21
Q

Describe how to diagnose chronic superficial keratitis/ pannus

A

clinical appearance +/- cytology (lymphoplasmacytic inflammation)

22
Q

Describe how to treat chronic superficial keratitis / pannus

A

topical corticosteroid and/or ciclosporin

23
Q

if a cats iris is changing colour, what should we be suspicious of

A

FDIM

24
Q

Describe how to test for Horner’s syndrome

A

phenylephrine test - phenylephrine drops to the eye (within an hour, the eye will look normal)

25
Q

what nerves does the palpebral reflex test

A

CN 7 and CN 5

26
Q

How can you identify a iris cyst

A

if you shake the head the cyst will move around

27
Q

Describe how to treat cherry eye

A

surgery to replace the prolapsed gland

28
Q

how does scrolled third eyelid occur

A

the cartilage grows too quickly and the whole eyelid turns out

29
Q

what can cause a blue corneal opacity

A

oedema

30
Q

what can cause a red corneal opacity

A

vascularisation

31
Q

what can cause a brown/black corneal opacity

A

pigmentation

32
Q

what can cause a white corneal opacity

A

fibrosis
cellular infiltration
lipid
calcium

18- SA- Neurology (11 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions