Aortic Intramural Hematoma

**Definition:** An atypical form of AORTIC DISSECTION in which subintimal dissection of the aortic TUNICA MEDIA without initial laceration of the aortic TUNICA INTIMA. It may begin from a rupture of the VASA VASORUM feeding aortic media.

**Tree numbers:** - C14.907.109.070.625 - C23.550.414.838.175

**Synonyms:** - Intramural Hematoma Aorta