81%). Moreover, the positive Ryan score rates in both groups 1 and 2 (39.58% and 53.85%, respectively) were significantly higher than that of group 3 (28.26%).

Laryngopharyngeal reflux occurs in many patients with vocal cord polyps, vocal cord leukoplakia, and vocal cord carcinoma, indicating that LPR may be important in the pathogenesis…[Read more]