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Chronic sinusitis is almost invariably a feature of cystic fibrosis. However, data on the endoscopically confirmed prevalence of chronic polypoid sinusitis (CPS) and its histological features are limited.Single centre prospective observational study. Unselected pediatric CF patients (n=81; ≤18years) were endoscopically assessed for the prevalence of CPS. Sixteen of these underwent sinus surgery. The...
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