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Figure 3b. Dissecting aortic aneurysm in a 59-year-old man. (a) Three-dimensional volume-rendered image from MR angiography (left anterior oblique view) shows a dissecting aneurysm of the thoracoabdominal aorta. (b, c) CPR images from MR angiography (b) and CT angiography (c) show continuity of the aorta, left 10th intercostal artery (large black arrow), radiculomedullary artery (small black arrow), artery of Adamkiewicz (white arrow), and anterior spinal artery (arrowhead). The 10th intercostal artery originates from the true lumen (T) of the aorta. F = false lumen, T10 = 10th thoracic vertebra.
