Objective:To explore the clinical value of 64 line 128layer spiral CT and 1.5T MRI in aortic dissection.Method:Sixty patients were diagnosed the aortic dissection by DSA.Among them,30 were detected by CT and another30 by MRI.According to the DSA results,we compared CT and MRI application value in aortic dissection.Result:Diagnostic accuracy of CT and MRI were 100%in diagnosis,classification,true and false lumen,inner diaphragm in aortic dissection.CT/DSA group showed that 15/19 crevasse,crevasse 6/11 place ...