Abstract
Background
Cystic fibrosis (CF) is the most common genetic lethal disorder that affects white populations. Chronic rhinosinusitis (CRS) with extensive nasal polyposis is one of the manifestations of CF.
Methods
The aim of this study was to determine the prevalence and extent of CRS in CF patients.
Results
The study indicated that the signs and symptoms of CRS were present in all patients with CF and they were more advanced than in the control group. The most severe inflammatory changes in the paranasal sinuses were detected in patients with the dF508 gene mutation type who suffered from CRS for >3 years.
Conclusions
Massive nasal polyposis, dilated base of the nose, mucociliary clearance impairment, and significant radiological changes (frontal and maxillary sinus hypoplasia, bony destruction, and medial bulging of the lateral nasal wall) were identified to be the characteristic signs of the CRS in CF patients.
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