Flexible Fiberoptic Rhinoscopy in the Diagnosis of Nasal Polyps in Cystic Fibrosis

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Abstract
The incidence of nasal polyps in patients with CF in various studies varies from 6.7% to 48%. Fiberoptic rhinoscopy, a safe and minimally invasive diagnostic procedure, has the major advantage over routine physical examination of the nares because of the ability to examine the nose beyond the nasal vestibule. In examinations of both nostrils of 34 patients with CF age 4–30 years, nasal polyps were detected by rhinoscopic examination, but missed by physical examination in 17 (25%) of the nostrils. In 7% (5/64) of the nostrils in this series, rhinoscopy ruled out polyps that were reportedly identified on physician examination. This study confirms that even a careful physical examination of the nose is often inadequate to uncover significant nasal pathology such as nasal polyps.

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