TL;DRAbstract
Blunt traumatic aortic injury is often, but not always, associated with mediastinal widening and aortic contour abnormalities on chest radiography (Cases 40 and 41) Most, but not all, patients with blunt thoracic aortic injury (BTAI) and an aortic pseudoaneurysm will have periaortic hematoma on the abdominal CT (Figures 42.1 and 42.2). In one retrospective study, 11/14 CTs of the abdomen in patients with known BTAI demonstrated periaortic hematoma in the retrocrural region [1]. In another study, 14/20 patients with confirmed BTAI had periaortic hematoma [2]. Overall, the sensitivity for the detection of BTAI in these studies was 70% and 88% [1, 2].
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Blunt traumatic aortic injury is often, but not always, associated with mediastinal widening and aortic contour abnormalities on chest radiography (Cases 40 and 41) Most, but not all, patients with blunt thoracic aortic injury (BTAI) and an aortic pseudoaneurysm will have periaortic hematoma on the abdominal CT (Figures 42.1 and 42.2). In one retrospective study, 11/14 CTs of the abdomen in patients with known BTAI demonstrated periaortic hematoma in the retrocrural region [1]. In another study, 14/20 patients with confirmed BTAI had periaortic hematoma [2]. Overall, the sensitivity for the detection of BTAI in these studies was 70% and 88% [1, 2].
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