File:Aortic dissection (Radiopaedia 25350-25604 B 57).jpg

• Radiopaedia case ID: 25350
• Image ID: 4876624
• Image stack position: 57/70
• Plane projection: Axial
• Aux modality: scanogram (CXR equivalent)
• Modality: CT
• System: Cardiac
• Findings: There is dilatation of aortic root, ascending

aorta, aortic arch and descending aorta. An intimal flap is seen extending from the aortic root proximally to below the origin of the renal arteries distally dividing the aortic lumen into true and false lumens (Stanford Type A and type I DeBakey classification). Right brachiocephalic, left common carotid, left subclavian, superior mesenteric, inferior mesenteric and bilateral renal arteries are seen arising from true lumen. There is significant narrowing at the origin of celiac trunk of abdominal aorta. Atherosclerotic wall calcification is noted at origin of left renal artery. Cardiomegaly with dilatation of all cardiac