title: Thoraco-abdominal Aorta Dissection: Look Again Before You Leap.
abstract: Aortic dissection is a life-threatening condition that might require immediate assessment and therapy. We present the case of a 71-year-old woman with essential hypertension complaining about low back pain; unenhanced thoracic-lumbar spine computed tomography examination (CT) revealed a hyperdense thin line across the aorta with an appearance of "double aortic lumen". Enhanced CT scan confirmed the diagnosis of type B aortic dissection. Radiologists should be familiar with this finding that could be considered a new radiological sign of aortic dissection on unenhanced CT examination.
authors.affiliation: Department of Radiology, Hillel Yaffe Medical Center, Hadera, Israel.
authors.forename: Abdel-Rauf
authors.initials: AR
authors.lastname: Zeina
authors.forename: Victoria
authors.initials: V
authors.lastname: Trachtengerts
authors.forename: Sobhi
authors.initials: S
authors.lastname: Abadi
authors.forename: Jacob
authors.initials: J
authors.lastname: Jarchowsky
authors.forename: Uri
authors.initials: U
authors.lastname: Soimu
authors.forename: Alicia
authors.initials: A
authors.lastname: Nachtigal