title: Achalasia: an unusual cause of stridor.
abstract: Two cases are presented of patients with achalasia were the massively dilated oesophagus resulted in respiratory compromise and stridor. This appears to be caused by mechanical compression of the trachea due to failure of relaxation of the upper oesophageal sphincter.
authors.affiliation: Department of Radiology, Oxford Radcliffe Hospitals, UK.
authors.forename: A D
authors.initials: AD
authors.lastname: Tasker
mesh_terms: D000368:Aged; D003680:Deglutition Disorders / Q000209:etiology; D004108:Dilatation, Pathologic / Q000150:complications / Q000000981:diagnostic imaging; D004931:Esophageal Achalasia / Q000150:complications* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D012135:Respiratory Sounds / Q000209:etiology*; D014057:Tomography, X-Ray Computed