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contentuptodate· Content· item f0_44_716

©2013 UpToDate ® Print Email Anatomic factors contributing to upper airway obstruction in children Nose Deviated septum Rhinitis (allergic or non-allergic) Choanal atresia Nasal polyps Oropharynx Tonsillar hypertrophy* Macroglossia Retro/micrognathia Infiltration by mucopolysaccarides (Hunter/Hurler syndromes) Obesity Oropharyngeal burns Acute skull base angle Pharyngeal flap High arched palate Nasopharynx Midfacial hypoplasia Adenoidal hypertrophy* Hypopharynx Laryngotracheomalacia Vocal cord paralysis Vascular ring Subglottic stenosis Hemangioma Neurofibroma * Most common factors.