Upper airway obstruction in a child

Common: Angioneurotic laryngeal edema; Bleeding tendency; Burn; Cervical lymphadenopathy; Choanal atresia; Congenital tracheal stenosis x; Croup; Cyst; Double aortic arch; Ectopic thyroid tissue; Enlarged epiglottis; Epiglottitis; Esophageal atresia; Foreign body; Granulocytic sarcoma; Hamartochondroma; Inflammatory tracheal stricture; Inhalation of noxious gases; Innominate artery compression; Lipoma; Lymphangioma; Mediastinal abscess; Neck surgery; Neoplasm; Peritonsillar abscess; Polyp; Postoperative tracheal stricture; Prolonged intubation; Retropharyngeal abscess; Retropharyngeal hemorrhage; Rhinoscleroma; Subglottic hemangioma; Thyroglossal duct cyst; Thyroid mass; Tonsil and adenoid hypertrophy; Tracheal stenosis; Tracheal stricture; Tracheal web; Tracheoesophageal fistula; Trauma; Traumatic laryngeal edema; Traumatic tracheal stricture; Vascular ring
Uncommon: Antrochoanal polyp; Aryepiglottic fold cyst; Diphtheria; Epiglottic cyst; Esophageal neoplasm; Hypothyroidism; Isolated micrognathia; Laryngeal cyst; Laryngeal papilloma; Laryngeal polyp; Laryngeal spasm; Laryngomalacia; Ludwig angina; Macroglossia; Micrognathia with glossoptosis; Möbius syndrome; Nasopharyngeal angiofibroma; Papillomatosis; Robin sequence; Tetany; Tracheomalacia