May be primary (e.g. due to abdominal aortic aneurysm ) or more commonly secondary (e.g. post-aortic repair). The third to fourth part of th...
May be primary (e.g. due to abdominal aortic aneurysm) or more commonly secondary (e.g. post-aortic repair). The third to fourth part of the duodenum is commonly affected. A smaller ‘herald’ bleed tends to precede massive GI haemorrhage.
CT
• Periaortic/perigraft gas >3 months after surgery/intervention
• Disruption of the aortic wall
• Pseudoaneurysm
• Extravasation of contrast to the bowel lumen
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