A Case of Circumferential Type A Aortic Dissection with Intimo–Intimal Intussusception

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An 83-year-old woman was referred to our hospital under a diagnosis of acute aortic dissection. Contrast-enhanced computed tomography revealed no intimal flap in the mid-ascending aorta, and the intimal flap was found from the distal ascending aorta to the aortic arch. Operative findings showed that the intima of the mid-ascending aorta was circumferentially dissected and was inverted into the aortic arch. An emergent replacement of the ascending aorta was successfully performed; however, she died of a global intestinal ischemia on the fourth operative day.