title: Fluctuating neurological deficit with acute aortic dissection-the omega sign.
authors.forename: Lindsay C H
authors.initials: LC
authors.lastname: John
mesh_terms: D000368:Aged; D000784:Aortic Dissection / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D017545:Aortic Aneurysm, Thoracic / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D002561:Cerebrovascular Disorders / Q000209:etiology*; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans