Nasal Disorders - Corrigan Flashcards
What are 3 characteristics common to all nasal diseases?
(Clin Med TQ)
- Mucosal edema
- Inflammation
- + 2° bacterial infections
Which URT sound is ties you to Nasal disease?
Stertor
What is an important part of your PE if you suscept Nasal dz.?
A Full Oral Exam!!!!!!
(as well as a good PE)
What should be on your DDX List when you see
Serous discharge coming from the nose?
- Viral infection
- Early
- 2° Bact. infection
- Fungal infection → Aspergillus, Cryptococcus
- Parasitic infection
- FB
- Neoplasia
- Nasopharyngeal polyp
- Oral dz.
- Allergic rhinitis
- Feline chronic rhinosinusitis
- K9 chronic rhinitis
Which 3 VIRUSES should be on your DDX List when your patient has
MUCOPURULENT nasal discharge + blood?
- Feline Herpesvirus
- Calicivirus
- K9 Influenza
Which 4 FUNGI should be on your DDX List when your patient has
MUCOPURULENT discharge + blood?
- Aspergillus (dogs)
- Cryptococcus (cats)
- Penicillium
- Rhinosporidium
Which 2 PARASITES should be on your DDX List when your patient has
MUCOPURULENT discharge + blood?
- Pneumonyssoides
- Capillaria
Which 3 NEOPLASIAS should be on your DDX List when your patient has
MUCOPURULENT discharge + blood?
- Carcinoma
- Sarcoma
- Lymphoma
A cat presents to you with Mucopurulent nasal discharge.
On PE, it pulls away in pain when you try to look in its ears or examine its mouth.
What will be high on your DDX List?
Nasopharyngeal polyps
What do Allergic rhinitis, Feline Chronic Rhinosinusitis & K9 Chronic Rhinitis have in common?
MUCOPURULENT discharge!
What are 3 weird reasons patients may present for EPISTAXIS?
- Fungal infections
- Systemic dz.
- Hypertension
What 4 things do you need to do a good initial work up of “Nose” cases?
- Detailed HX
- Good PE
- Thoracic Rads
- Funduscopic exam (if avaiable)
What is an essential test to do on any dog with nasal dz?
Aspergillosis titer
What are 3 essential tests for cats w/ nasal dz?
- Nasal swab cytology
- Cryptococcal Ag. titer
- Viral testing → FeLV, FIV, FHV, Calicivirus
What is a Deep Nasal Culture better for: Bact or Fugi?
Who would you get the sample?
- Fungi
- Rhinoscopy
What structure should you not pass when performing a Rhinoscopy?
Don’t go past the Medial Canthus!!
What are 2 main causes of Feline Upper Resp. Infection?
- FHV → Feline Rhinotracheitis
- Feline Calicivirus (virulent strain)
C/S of Feline Upper Respiratory Infection?
- Fever
- Sneezing
- Nasal/Ocular discharge
- Conjunctivitis
What samples would you need to collect if you wanted to perform an IFA & VI/PCR for FHV & FCV?
Who might ask you to do these test?
- Conjunctival, pharyngeal or tonsillar scrapings/biopsy
- The crazy cat lady (who has a cattery)
How do you typically TX Feline Upper Respiratory Infections?
-
Supportive care
- Nebulization
- Clavamox® (amoxicillin/clavulanic acid) → for 2° bact
-
Ophthalmologic care
- oral L-lysine
A cat has Feline Upper Respiratory Infection.
You suspect it’s due to Bordetella, Chlamydophila or Mycoplasma.
What would you prescribe?
Possible SE?
Can you do something to help w/ SE?
- Doxy
- SE = Esophageal Strictures (w/ pills)
- Help = Bolus H2O or use Liquid Doxy
A cat has an Upper Respiratory Infection and a dendritic ulcer.
List 3 drugs you can prescribe to help this patient.
- Trifluridin
- Idoxuridine
- Arabinoside
A cat presents to you for changes in temperment, unilateral nasal discharge & a firm, SQ swelling under the bridge of its nose. On PE you find cutaneous lesions and dilated, unresponsive pupils. While taking the HX, the owner won’t stop complaining about their crazy neighbor that keeps throwing stale bread into their yard to feed the birds & how much they hate pigeons.
What dz do you suspect?
How are you going to test for this?
Cryptococcosis neoformans (a saphrophytic yeast)
Latex agglutination (Ag test) or Cytology
What is the GS TX for Crytococcosis neoformans?
While discussing TX, the owner asks “What’s a less expensive option, Doc?”
What now?
- Lipid complex Amphotericin B is the GS
- an “-azole” is a less $ option
- Itraconazole
- Fluconazole → can go to the CNS
- Ketaconazole → avoid if can, causes liver SE in cats




