Successful Thoracic Endovascular Aortic Repair using 2- and 3-Dimensional Fusion Imaging without Further Contrast Enhancement

We report a case of successful thoracic endovascular aortic repair using a 3-dimensional computed tomography (3D CT) roadmap for a patient with severe contrast media allergy. As 3D CT image data were previously obtained, we integrated the data with the fluoroscopic image three dimensionally and constructed a 3D CT roadmap. This method is anticipated to be effective in patients who require less contrast enhancement or radiological dose by examining the appropriate imaging protocol for the kinds, shapes, and positions of the benchmarks for fusion.