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FIG 3. CT scans obtained in patient 13, a 52-year-old man.
A, Coronal multiplanar reconstruction scan shows the radiculomedullary artery (black arrows) arising from the left L1 level and joining the ASA (small white arrows). Both the ascending and descending branches of the ASA are seen.
B, Because the radiculomedullary artery (black arrow) is slightly tortuous, the continuity of the vessel is confirmed on the section dorsal to that shown in A.
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