Feline Nasopharyngeal
Polyp
A nasopharyngeal polyp is a common non-cancerous growth in the middle ear. As
the polyps grow, they can extend down the tube that connects the middle ear to
the back of the throat, and can block the mouth and nose.
Young cats are most commonly affected.
CAUSES:
These polyps may be caused by:
- Viruses
- Inflammation from an ear infection
SIGNS:
Signs will depend on the location of the polyp:
- Pharynx (back of throat): difficulty breathing, snoring,
difficulty eating and swallowing
- Middle ear: difficulty balancing, hearing and neurological
problems
- Ear canal: bad odor from the ear
- Nasal passage: nasal discharge
DIAGNOSIS:
To properly diagnose your cat with a nasopharyngeal polyp, your veterinarian
may perform the following:
- Physical exam: ear canal and mouth (usually requires
sedation)
- X-rays: of the skull
- Polyp biopsy: to confirm the
diagnosis
TREATMENT:
Most veterinarians advise that polyps must be removed by either one of two
methods:
- Plucking: if the polyps are at the back of the
throat, you veterinarian can pluck them out; however, it can grow back if the
entire mass is not removed
- Surgery: your veterinarian will cut into the
middle ear and remove the polyps. You may need to give your cat antibiotics
for a few weeks following surgery
PREVENTION:
There is no known preventative for this condition.
PROGNOSIS:
Most cats are fine after surgery; some have temporary complications, like
trouble blinking.
In most cases, it is impossible to remove the entire polyp and it may grow back.
