Undiagnosed Stanford type A aortic dissection: a rare survival report.

Acute aortic dissection is a life-threatening conditions with a high mortality rate within the first 24 h since presentation, if left untreated. Nevertheless the setting may be chronic and stable. We present a rare case of a misdiagnosed and unoperated Stanford type A aortic dissection in a 78-year old woman with stable computed tomography features at the second year of clinical follow-up.