CTA (computed tomography angiography) is the abbreviation for CT angiography, a non-invasive method that can be applied to the examination of blood vessels throughout the body. Head and neck CTA applications: head and neck stenosis due to atherosclerosis, intracranial aneurysm, intracranial arteriovenous malformation, Moya-Moya disease, carotid body aneurysm, neck tumor and vascular relationship Aorta and branches: aortic malformation, aortic coarctation, aortic atherosclerosis, aortic aneurysm, renal artery, superior mesenteric artery and abdominal trunk imaging abdominal aortic aneurysm and right common iliac artery aneurysm Thorax Coronary artery imaging, congenital heart disease, pulmonary embolism, pulmonary vein and left atrial imaging Upper and lower extremity arteries: stenosis due to atherosclerosis, true and false aneurysm post coronary artery bypass grafting