Penetrating atherosclerotic ulcer of the thoracic aorta on CT
Penetrating atherosclerotic ulcer of the thoracic aorta on CT
An axial CT scan through the descending thoracic aorta shows a penetrating ulcer extending into the wall of the aorta (arrow). Image B is a magnified view and shows the mouth of the ulcer, which then extends into and expands the wall of the aorta (arrowheads).