PMC5709287_01
Enhanced CT of the chest, abdomen, and pelvis demonstrating (left) a mild dilation of the thoracic aorta, (middle) left hydronephrosis, and right large renal cyst, and (right) a left common iliac aneurysm.
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CT showed a mildly dilated thoracic aorta, a left common iliac artery aneurysm (38 x 36 mm), arteriosclerosis, left hydronephrosis, and hydroureter (Fig. 1).
A rapid increase of the thoracoabdominal aortic aneurysm with threatened rupture; (left) thoracic aorta aneurysm, (right) common iliac aneurysm.
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On the ninth day, CT was repeated, and it showed imminent extravasation and leakage of the thoracic aortic aneurysm to the surrounding tissue and a rapid increase of the left iliac aneurysm (Fig. 2).
The aneurysmal wall with abscess formation and hemorrhage. Bar, 100 mum.
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Histopathological examination of the resected specimen showed aneurysm wall fractures with focal abscess formation, hemorrhage, and calcification, which were compatible with an infected aneurysm (Fig. 3).