“…Fiberoptic laryngoscopy represents a standard diagnostic procedure that all patients scheduled for thyroid surgery should undergo prior to surgical treatment as well as postoperatively. It is primarily performed in order to identify changes in vocal fold mobility and to differentiate patients with laryngeal nerve damage ( 4 , 6 , 8 , 10 , 11 , 13 , 14 , 16 - 19 , 23 , 24 , 31 , 35 , 37 , 38 , 40 , 41 ). Although it does not provide information on swallowing impairment, swelling of laryngeal mucosa, especially in the posterior part of the larynx and retrocricoid area, can indirectly indicate laryngopharyngeal reflux, whereas saliva residue in the piriform sinuses or retrocricoid area can indicate dysfunction of the upper esophageal sphincter ( 67 ).…”