PMC5106526_01
73-year-old man with coral reef aorta. Axial CT shows asortic calcification extending ventrally, threatening impingement of the superior mesenteric artery.
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An abdominal CT angiogram was performed in order to rule out renal artery stenosis. 120 cc of Isovue-370 was administered intravenously, and imaging revealed a heavily calcified abdominal aorta, with calcifications of the origins of the celiac and superior mesenteric arteries as well as moderate stenosis of the celiac artery and severe stenosis of the superior mesenteric artery (Figure 1A, Figure 1B).
73-year-old man with coral reef aorta. Axial CT shows jutting aortic calcification at juxtarenal level with 50% occlusion of aortic lumen and extension into origin of right renal artery.
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The proximal right renal artery was not identified (Fig. 2B). The right kidney was atrophic (Fig. 2A).
73-year-old man with coral reef aorta. Oblique CT reformations (A-B) show shelf-like plaque in the juxtarenal aorta causing occlusion of the origin of the right renal artery and consequent right renal atrophy.
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Oblique views revealed a shelf-like calcified plaque emerging from the right wall of the juxtarenal aorta extending 12mm into the lumen, obstructing the lumen by approximately 50%, and extending 2.6 cm superior and 3.0 cm inferior relative to the juxtarenal origin (Figure 3, Figure 4).
73-year-old man with coral reef aorta. Coronal CT reformation of the shelf-like plaque in the juxtarenal aorta.
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Oblique views revealed a shelf-like calcified plaque emerging from the right wall of the juxtarenal aorta extending 12mm into the lumen, obstructing the lumen by approximately 50%, and extending 2.6 cm superior and 3.0 cm inferior relative to the juxtarenal origin (Figure 3, Figure 4).