Stritor
Stertor is noisy breathing caused by partial obstruction of the respiratory tract above the larynx
Aetiology
- congenital causes include:
- nose
- choanal stenosis or atresia
- external nasal deformity secondary to craniofacial abnormality
- dermoid, nasoalveolar, dentigerous and mucous cysts
- meningocele, encephalocele, meningoencephalocele
- nasopharynx
- craniofacial abnormality, especially Apert's syndrome and Crouzon's disease
- oropharynx
- micrognathia secondary to a craniofacial abnormality, especially Treacher Collins syndrome
- macroglossia, most frequently in those with Down's syndrom
- lingual thyroid and thyroglossal cyst
- nose
- acquired causes include:
- trauma
- septal haematoma and secondary abscess
- nasal, septal and midfacial fracture
- inflammatory
- infective acute and chronic rhinitis
- acute and chronic adenoiditis
- acute tonsillitis, especially secondary to infectious mononucleosis
- parapharyngeal and retropharyngeal abscess
- ludwig's angina
- acute epiglottitis
- Wegener's granulomatosis
- trauma
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