Exam 2: Eyes + Ears - Dr. Craft Flashcards

Auricular hypoplasia
Breed related or spontaneous - can see hearing loss with spontaneous

Auricular infarct d/t frostbite

Aural or pinnal squamous cell carcinoma

Aural plaques in horses AKA equine ear papillomas
Resolve spontaneously

Auricular chondritis
IM response >3 years

Feline ceruminous cystomatosis
Benign, cystic proliferation of ceruminous glands

Ceruminous gland carcinoma - external acoustic meatus
Cats >>> dogs
Mets to parotid LN

Aural inflammatory polyps
Cats < 2y

Guttural pouch disease in horses
Eustachitis
Bacterial or fungal

Synophthalmia - fused globes

Glaucoma

Glaucoma - retinal atrophy
Other histo lesions: collapse of iridocorneal angle, optic nerve head cupping, scleral thinning

Primary glaucoma - goniodysgenesis
Closed off drainage angle
This photo is normal.


Dermoid
Composed of ectopic hair follicles + adnexal glands
Cornea or conjunctiva

Squamous cell carcinoma

Corneal sequestrum d/t chronic ulceration
More common in cats vs dogs/horrses

Anterior lens luxation
Normally lies posterior to iris
Can lead to glaucoma

Feline post-traumatic ocular sarcoma
Secondmost common ocular neoplasm in cats behind melanoma
Highly invasive

Canine orbital meningioma
Dogs*
Vision loss, optic nerve degeneration/atrophy