Thoracoabdominal aortic aneurysm on axial CT

The series of axial CT images shows a distal thoracoabdominal aortic aneurysm. The aneurysmal segment of the suprarenal aorta (arrows) contrasts to the normal-diameter infrarenal aorta (arrowhead, C).

AAA: abdominal aortic aneurysm; CT: computed tomography.

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