PMC8668081_01
CT angiography of abdominal aorta revealing a large fusiform aneurysm of the abdominal aorta extending from D12 to L5 vertebral bodies, to the bifurcation, with eccentric, irregular, and largely non-calcified thrombus along the right lateral wall.
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On CT Angiography (Figures 1 and 2) a large fusiform saccular aneurysm was present in the abdominal aorta, measuring 17.7 cm in length and extending from D12 to L5 vertebral bodies, to the bifurcation, and eccentric, irregular, and largely non-calcified thrombi were seen along the right lateral walls of the aneurysm, which had a neck diameter of 2.5 cm.
Three-dimensional reconstruction image of abdominal aorta along with bilateral common iliac artery showing large fusiform saccular aneurysm of the abdominal aorta measuring 17.7 cm in length and extending from D12 to L5 vertebral bodies, to the bifurcation, with a neck diameter of 2.5 cm.
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On CT Angiography (Figures 1 and 2) a large fusiform saccular aneurysm was present in the abdominal aorta, measuring 17.7 cm in length and extending from D12 to L5 vertebral bodies, to the bifurcation, and eccentric, irregular, and largely non-calcified thrombi were seen along the right lateral walls of the aneurysm, which had a neck diameter of 2.5 cm.
(A) Intraoperative image showing left trunk of Inferior Vena Cava continuing as preaortic trunk. The large abdominal aortic aneurysm can be observed; (B) Intraoperative image showing abdominal aortic aneurysm along with Type 1 IVC duplication anomaly.
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During dissection, we identified a large diameter vein coursing along the left side of the aneurysm sac (Figure 3) which we then followed to find a preaortic trunk continuing to the right-side IVC.