Researchers evaluated 94 cats who were diagnosed with upper respiratory disease. All cats underwent Computed tomography (CT) and 50 of them also had other diagnostic tests performed.

The most common CT finding was rhinosinusitis (55.32%) followed by nasal neoplasia (26.6%) and nasopharyngeal polyp (14.89%), but in three cats, a cause of respiratory symptoms was larynx neoplasia, nasal dermoid cyst, and an oronasal fistula.

PCR test identified the most cause of rhinosinusitis was Mycoplasma felis while nasopharyngeal polyp were identified in 14 cats.

Nasal neoplasia as a primary CT diagnosis was determined in 25 cats. Histology diagnosis included four types of neoplasia - squamous cell carcinoma, sarcoma, adenocarcinoma, and aplastic carcinoma.

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Feline upper respiratory tract disease - Computed tomography and laboratory diagnostic