Otitis Media

Question 1

What structural changes may lead to PSOM?

Answer 1

middle ear or auditory tube disease from structural changes in the soft palate or nasopharyngeal aperture

Question 2

What breeds is PSOM most commonly seen in?

Answer 2

CKCS, reported in boxers

Question 3

PSOM and otitis externa

Answer 3

PSOM occasionally leads to secondary otitis externa, primarily end-stage cases, but less common

Question 4

PSOM diagnosis

Answer 4

typically no obvious signs of disease and detected on CT for syringomyelia or other issues

Question 5

clinical signs of OM without OE…

Answer 5

often no head shaking or scratching but present with respiratory or neurologic signs, head or neck pain, or hearing abnormalities

Question 6

Causes of cats with primary otitis media

Answer 6

upper respiratory infection and polyps

Question 7

Otitis media as a perpetuating factor of OE

Answer 7

inflammation of the middle ear and commonly considered a perpetuating factor from extension of OE through the tympanic membrane

Question 8

Otitis media as a predisposing factor of OE

Answer 8

primary otitis media that causes rupture of the tympanum resulting in OE

Question 9

Primary otitis media can be from…

Answer 9

ascending nasal or respiratory infections through the auditory tube, from hematogenous spread, or PSOM