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Dissecting aorta. Coloured three-dimensional (3D) Angiography Computed Tomography (CT) scans of 3 views of a dissecting aorta in a 48 year old male patient. Front view (left), side view (middle) and back view (right). A tear can be seen down the full length of the descending aorta. A dissecting aorta is a type of aneurysm where the layers of the wall of the aorta have split (dissected). This allows a column of blood under pressure to enter the aortic wall forming an aneurysm. Without surgical repair, the condition is usually fatal.
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