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CT – Inflammatory nasopharyngeal polyp secondary to rhinitis causing upper airway stenosis in a cat

Case Study

CT – Inflammatory nasopharyngeal polyp secondary to rhinitis causing upper airway stenosis in a cat

This cat presented with a history of chronic upper airway disease, nasal congestion and stertorous breathing

This cat presented with a history of chronic upper airway disease, nasal congestion and stertorous breathing

DX

The computed tomographic findings are typical for an inflammatory nasopharyngeal polyp secondary to chronic non-destructive rhinitis causing upper airway stenosis. There is a minor potential for other emerging soft tissue neoplasia, such as lymphoma, melanoma or squamous cell carcinoma needs to be considered as the age of the patient is not quite typical here.

Image Interpretation

CT of the head and neck, plain and post contrast – A well delineated ovoid soft tissue attenuating mass measuring approximately 1.5 cm
in diameter emerging from the mucosal lining of the ventral and caudal nasal conchae
and occupying the nasopharynx is noted. The mass is expansile and causes mild bony
atrophy of the neighboring nasal conchae. Mild non-uniform contrast enhancement
emphasizing the periphery of the soft tissue mass is noted.
Both nasal cavities reveal mild thickening of the conchal mucosal lining as well as
mild accumulation of fluid exudate. There is no turbinate destruction.
The lymph nodes of the head are within normal limits.
There is no evidence of pathology within the larynx and cervical trachea (assessment
limited to the endotracheal tube).

Outcome

Surgical resection with consecutive pathohistological examination is recommended.
Adjunctive administration of analgesics for 2 to 4 days, administration of an antibiotic
such as marbofloxacin or clavamox for 1 month, and administration of a corticosteroid
(dexamethasone or prednisolone) for 1 month should be considered.

Patient Information

Patient Name : Daisy Bowie/Aloha
Species : Feline
Type of Imaging : Ultrasound
Status : Complete
Liz Wuz Here : Yes

Clinical Signs

  • Nasal congestion
  • Signs of URI

Images

bildschirmfoto_2016-03-09_um_10bildschirmfoto_2016-03-09_um_10bildschirmfoto_2016-03-09_um_10

Clinical Signs

  • Nasal congestion
  • Signs of URI