PMC8167207_01
Axial view of CT abdomen and pelvis with oral and intravenous contrast. Red arrow indicates thrombus and early dissection with focal aortitis. Open grey arrows show ill-defined soft tissue abnormality surrounding the infrarenal aorta, measuring 4.3cm x 4.2cm. (For interpretation of the references to colour in this Figure legend, the reader is referred to the web version of this article).
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CT scan of the abdomen and pelvis with oral and intravenous contrast showed an ill-defined infrarenal periaortic mass with an adjacent eccentric thrombus in the abdominal aorta and subtle enhancement of the vasa vasorum concerning for focal aortitis (Fig. 1).
Axial views of CT angiogram of the abdomen. A) Pseudoaneurysm from the anterior left aspect of the aorta (red arrow) measuring about 1.2 cm. B) Flattening of left aortic border and non-enhancing short segment of the left side of the aorta representing a small focal dissection that extended to aortic bifurcation (Black arrow). (For interpretation of the references to colour in this Figure legend, the reader is referred to the web version of this article).
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CT guided biopsy was scheduled, but symptoms intensified over ten days prompting further medical evaluation. CT angiogram of the chest and abdomen showed a pseudoaneurysm of the aorta (Fig. 2A) and a focal dissection extending to the aortic bifurcation (Fig. 2B).