Abstract
This study was designed to estimate the swallowing function after surgery in lingual and oropharyngeal cancer patients. We evaluated the process of swallowing by pharyngoesophagography using a digital radiography system and measuring pharyngeal transit time. In addition, some questions were asked about swallowing conditions to patients.Four patients following hemiglossectomy had good swallowing function. In oropharyngeal cancer patients, especially those who have a transection at the base of the tongue, the pharyngeal transit time is prolonged, meaning a worse swallowing function in the pharyngeal stage.A digital radiography system was useful in observing pharyngeal stage and measuring pharyngeal transit time.
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