Abstract
Clinical manifestations in the upper airway (UA) occur in 100% of patients with cystic fibrosis (CF), including recurrent sinusitis, rhinitis and / or nasal polyposis. This study aims to assess 23 patients (children and adolescents) with cystic fibrosis, in attendance for a period of five years. All patients involved underwent endoscopy every six months. The presence and degree of nasal p…