This is a 60-year-old man presented to the cardiovascular clinic, with poorly controlled hypertension. Diagnosed at other institution to have an aortic dissection. CTA was requested to evaluate the extent of his disease, demonstrating Stanford type B aortic dissection. However, a new classification system was proposed which is referred with the acronym DISSECT was also looked at during our discussion with the interventional cardiology team.

It is extremely important to identify the true lumen in cases of aortic dissection, as placement of an endoluminal stent-graft in the false lumen can have serious consequences.