Services Tanner Vascular Surgery provides open vascular surgery and endovascular procedures. Open vascular surgery: Abdominal aortic surgery Carotid endarterectomy Cerebrovascular surgery Peripheral vascular surgery Renal artery surgery Endovascular procedures: Aortic imaging Arterial duplex exams Carotid ultrasounds Diagnostic arteriography Endovascular aneurysm repair Peripheral and renal angioplasty Reflux studies Renal artery exams Surgery for dialysis access Thoracic endograft repair Venous imaging Varicose vein procedures and treatment: Varicose veins are enlarged veins that are visible through the skin and may appear as blue or purple twisted, knot-like cords. Varicose veins can occur anywhere in the body, but are more commonly found on the legs. Learn more about varicose veins and treatments.