A clinical study of multiple superficial laryngopharyngeal carcinomas treated with transoral surgery

Abstract

Early-stage laryngopharyngeal cancers have been detected frequently with the widespread use of narrow-band imaging （NBI） by magnifying endoscopy. Transoral surgery （TOS） has been widely used to treat laryngopharyngeal cancers. It is not uncommon to encounter simultaneous or heterogeneous multiple cancerous lesions in the laryngopharyngeal region. In this study, we investigated the risk factors for multiple laryngopharyngeal cancers in patients who underwent transoral surgery and the risk factors for simultaneous multiple lesion resection. In univariate analysis, a history of head and neck cancer and a history of esophageal cancer were significant risk factors for the development of multiple lesions. There were no obvious risk factors for simultaneous resection of multiple lesions or multiple resections of multiple lesions.