Fig. 1

Preoperative imaging. Computed tomographic angiography (CTA) showing a penetrating aortic ulcer (PAU) that occurred in the aortic arch, with an intramural haematoma (IMH) compromising the ascending aorta and aortic arch
Preoperative imaging. Computed tomographic angiography (CTA) showing a penetrating aortic ulcer (PAU) that occurred in the aortic arch, with an intramural haematoma (IMH) compromising the ascending aorta and aortic arch