Scoping review of head and neck neoplasms presenting with obstructive sleep apnoea: the importance of flexible nasendoscopy.

Although rare, neoplasms of the upper aerodigestive tract should be considered as a cause of OSA, especially in patients experiencing other symptoms in addition to the typical symptoms of OSA. They should particularly be considered in patients with comparatively lower body mass index or those with worsening OSA without an apparent cause identified.