PMC5976934_01
Case 1 (a-c). Case 2 (d-f). Contrast-enhanced CT and volume rendering technique (VRT) images revealed parenchymal hemorrhages in the left upper lungs (white arrow in (a), dashed arrow in (d)) and saccular aneurysms located proximal to the descending thoracic aorta (white arrow head in (b) and black arrow head in (e)).
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Parenchymal hemorrhage was also observed in the left upper lung lobe in two patients especially for case 1 (Figure 1).
Case 1 (a, b). Case 2 (c, d). Intraoperative digital subtraction angiography images show saccular wide neck aneurysms located proximal to the descending thoracic aorta (black arrow in (a), dashed arrow in (c)) with complete exclusion of the aneurysms after stent-graft deployment (b, d).
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Angiograms showed complete occlusion of the aneurysms and the procedures were terminated (Figure 2).
Case 1 (a, b). Case 2 (c, d). Contrast-enhanced CT and VRT images show complete occlusion of the aneurysm with thrombosis and shrinkage, especially in case 2 (white arrow in (a), dashed arrow in (d)).
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Contrast-enhanced thoracic CT examinations after 3 months showed that the aneurysms were totally occluded with thrombosis and the size of the aneurysms was significantly reduced and the lung parenchyma hemorrhages also disappeared (Figure 3).