The Role of Nasal Cytology in the Diagnosis of Chronic Sinusitis

Abstract
Currently the role of nasal cytology in the diagnosis of chronic sinusitis is not well defined. Therefore, we compared the results of nasal cytology with the results of sinus radiography in 300 patients with allergic rhinitis who had both tests performed as part of their initial allergy evaluation. Radiography was significantly more likely to be positive when there were >5 neutrophils/high-power field or <5 eosinophils/high-power field on nasal cytology. These findings were fairly sensitive but nonspecific as predictors of radiographic pathology.

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