[Ruptured Thoracic Aortic Aneurysm Complicated with Acute Aortic Dissection:Report of a Case].

A 68-year-old male with sudden, persistent chest and back pain was referred to our hospital. Contrast-enhanced computed tomography (CT) scans revealed 56 mm thoracic aortic aneurysm (TAA)located from the distal aortic arch to the proximal descending thoracic aorta and Stanford type B acute aortic dissection (AAD) with the patent false lumen distal to the aneurysm. The AAD was not extended within the TAA. Although anti-hypertensive therapy was initiated, the patient unfortunately deceased of sudden cardiopulmonary arrest 6 days later. In the postmortem CT scans, ruptured TAA was diagnosed. Ruptured TAA complicated with AAD was extremely rare, and we report the present case with a literature review.