Segmental cystic dysplasia

Segmental arterial mediolysis (SAM) is a rare disorder of the arteries characterized by the development of aneurysms, blood clots, narrowing of the arteries (stenoses), and blood collections (hematomas) in the affected distribution.SAM most commonly affects the arteries supplying the intestines and abdominal organs. Signs and Symptoms Varies depending on the location of the affected blood vessels. [Source: Wikipedia ]