Gross pathology special senses Flashcards

1
Q

What dog breed is predisposed to persistent pupillary membranes

A

Basenjis

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2
Q

Name for hairs pointed inward from meibomian gland openings
Name for abnormal placement of eyelashes due to conformation (entropion, etc.)

A

Distichiasis

Trichiasis

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3
Q

Name of a snake spectacle that doesn’t shed

A

Dystectesis

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4
Q

What happens in the eye of dogs with canine adenovirus 1

A

Corneal endothelial loss due to type 3 hypersensitivty- blue eye

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5
Q

Cause of a cataract-like lesion in chicken

A

Avian encephalomyelitis virus (picornavirus)

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6
Q

What else do chickens with avian encaphalomyelitis virus get?

A

White spots in proventriculus

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7
Q

Ruleouts for cloudy eye in a cat

A

FIP most likely
Idiopathic lymphnodular uveitis
Cryptococcus

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8
Q

Gross lesions that occur with anterior uveitis

A

rubeosis iridis (neovascularization of the iris)
PIFM
Keratic precipitates

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9
Q

What cell type is associated with feline herpesvirus 1 ocular disease

A

Eosinophils

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10
Q

Cause of conjunctivitis in cattle

A

Infectious bovine rhinotracheitis (bovine herpesvirus 1)

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11
Q

Ocular disease in lady gouldian finches

A

Herpesvirus

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12
Q

What causes mucosal papillomas in trophical parrots?

A

Psittacid herpesvirus 1***** not papillomavirus

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13
Q

Where else can mucosal papillomas occur in parrots?

A

Mouth, GI tract, cloaca

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14
Q

Cause of swollen salivary and lacrimal glands in rats and eye tearing

A

Sialodacryoadenitis (rat coronavirus 2)

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15
Q

Cause of ulcers in cattle (infectious keratoconjunctivitis)

A

Moraxella bovis

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16
Q

Cause of wry eye (phthisis bulbi) in turkeys

A

Sepsis with Salmonella arizona

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17
Q

Cause of hyphema in California sea lion

A

Leptospira pomona

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18
Q

Cause of bilateral conjunctivitis in a koala

A

Chlamydia pecorum

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19
Q

Other disease associated with chlamydia pecorum in koalas

A

Repro dz
UTIs
Pneumonia
Polyarthritis (like other species)

20
Q

Mouse strain commonly affected by blepharitis/conjunctivitis

A

BALB-C

21
Q

Cause of conjunctivitis in poultry, sparrows, finches

A

Mycoplasma gallisepticum

22
Q

Ocular worm (only one!)

A

Thelazia californiensis

23
Q

Where does thelazia live?

A

Conjunctival sac of dogs/cats/sheep

24
Q

IH of thelazia

A

Non-biting face fly

25
Q

Protozoal ocular disease of dwarf rabbits

A

Encephalitozoon cuniculi (microsporidian)

26
Q

Gross lesions with E. cuniculi in eye

A

Cataractous change and uveitis

27
Q

Corneal disease in German shepherd dogs and female frogs

A

Lipid keratopathy

28
Q

Bronze eyes in cats is associated with

A

Portosystemic shunt

29
Q

Conjunctivitis and ulcer/mineralization of cornea in chickens or mice is caused by _______________

A

High ammonia

30
Q

1 cause of hyphema

A

PIFM

31
Q

What tumor causes hyphema?

A

Ciliary body tumors, because release endothelial GFs

32
Q

Corneal lesion in cats- fluffy white stromal keratitis

A

Eosinophilic keratitis

33
Q

Corneal problem collies get

A

Superficial* punctate keratopathy

34
Q

Name for corneal hydrops in cats

A

Bullous keratopathy

35
Q

Who gets lens subluxation (ectopia lentis)

A

Tibetan terriers

36
Q

Nutritional cataract in fish cause

A

Low vitamin C

37
Q

Cause of bulgey eyes in Golden retrievers

A

Orbital myositis

38
Q

What causes horner’s syndrome in cats

A

Otitis media

39
Q

What causes horner’s syndrome in dogs

A

Neck trauma

40
Q

Where does melanoma arise from in dogs?

A

Stromal melanocytes of iris root or ciliary body

41
Q

Where does melanoma arise from in cats?

A

Pigmented cells of the anterior iris (diffuse iridal melanoma)

42
Q

How to tell if melanocytoma or melanoma in the dog?

A

Melanocytoma- limbus
Melanoma- conjunctiva, highest rate of metastasis of all dog melanomas

43
Q

What do Cairn terriers get?

A

Pigmentary glaucoma- bad ocular melanosis that almost looks like a tumor

44
Q

Special feature of retro-orbital meningioma

A

Bone and cartilage, photo of mass around optic nerve (cone shaped)

45
Q

Most common ocular tumors in cat, in order (4)

A

Lymphoma (usually metastatic)>diffuse iridal melanoma>post-traumatic ocular sarcoma>ciliary body tumor

46
Q

Who gets orbital lymphoma?

A

Ferrets- retro-orbital
Cattle- BLV, retrobulbar