Results: On unenhanced CT scan, the imaging findings showed dilation of the aorta, linear hypoattenuating intima or intimal calcifications in the lumen and egg-like calcification on the aortic wall.

• 结果：平扫示主动脉管径增粗，腔内见低密度分隔影或呈线样钙化，壁呈蛋壳样钙化。