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CT images show severe kidney malperfusion (A) and the descending aorta size (B) of an 88-yr-old male with TAAAD. (A) Left kidney artery occlusion (arrow) and decreased contrast-enhancement of the left kidney (arrowhead) can be seen. (B) The largest short-axial diameter (double arrow) of the descending aorta was dilated to 41.5 mm at the time of measurement. The patient received dialysis after hemiarch replacement and died 13 mo later. CT = confidence interval.
