Correlation between Preoperative Osteitis Degree with Postoperative Endoscopi…

Background : In chronic rhinosinusitis patients, there is a subgroup of patients with persistent symptoms after treatment, who often shows bone thickening and remodeling in their paranasal sinuses and described as osteitis. Osteitis can be evaluated by several methods, one of which is the Global Osteitis Score (GOS). This study was aimed to analyse the correlation between preoperative ostei…