A retrospective study for patients with recurrent nasal polypi operated at Otorhinolaryngology Department, Sohag University Hospital will be carried out. All available information about these patients will be retrieved from our department data base including full personal history, medical history and type of surgery performed with operative details.. Missed patients due to any reason will be excluded from the study during. Complete information about patients' symptoms, onset, progression, severity and duration of recurrence after surgery will be taken from our department data base. Associated factors will be evaluated from data base (asthma, allergy, smoking, Samter's triad, cystic fibrosis, fungal sinusitis, immune status, etc.).
A retrospective study for patients with recurrent nasal polypi operated at Otorhinolaryngology Department, Sohag University Hospital will be carried out.