RADIOLOGY: AORTA: Case# 33882: AORTIC RUPTURE. Patient is 65 year old female status post MVA. 1. Aortic rupture with pseudoaneurysm formation in the descending thoracic aorta immediately imferior to the origin of the left subclavian artery and surrounding mediastinal hematoma. 2. Aortic intimal flap at the anterior medial aspect of the descending thoracic aorta.