ABSTRACT

Multiplanar reformatted images of the aorta and great vessels (Figure 45.2) aid in understanding the anatomy and pathology of the aorta, particularly when it is elongated, unfolded, or aneurysmal. Workstation tools also facilitate planning of endovascular repair. Other 3D reconstructions, including maximum-intensity projection, curvilinear reformation, and volume rendering, are invaluable for assessment of complex 3D vascular anatomical relationships. CT software packages are now available which allow “virtual” deployment of the stent-graft, enabling accurate calculation of the dimensions of the prosthesis before insertion. Virtual intravascular endoscopy is a 3D tool that provides intraluminal information and which has the potential to assess the position of stentgraft wires relative to arterial branch ostia.