Relation between grades of acquired nasopharyngeal stenosis and severity of obstructive sleep apnea symptoms

Abstract Background Nasopharyngeal stenosis (NPS) is a rare condition defined as the obstruction of the communication between the oropharynx and nasopharynx owing to scar contracture of the soft palate, tonsillar pillars, and posterior pharyngeal wall. NPS could be primary (attributed to a disease p...

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Bibliographic Details
Main Authors: Mohammad Waheed El-Anwar, Ehsan Hendawy, Mohamed Eesa
Format: Article
Language:English
Published: SpringerOpen 2021-02-01
Series:The Egyptian Journal of Otolaryngology
Subjects:
Online Access:https://doi.org/10.1186/s43163-021-00080-2