Intestinal ischemic syndrome: A blockage inside the blood vessels bringing about your gastrointestinal procedure. This is what comes about with varicose veins. They might bulge like purple ropes below the skin. They also can look like smaller purple or purple bursts with your knees, calves, or thighs. Abdominal Aortic Aneurysm https://www.sgvascularctr.com/exploring-vascular-malformations-informative-guide-for-singaporeans/