View larger version (158K)

Figure 15d.   CT angiography performed from the aortic arch to the ankles (2.5-mm section thickness). Coronal maximum-intensity projection images obtained before (a) and after (b-d) bone subtraction show occlusion of the right iliac artery and both femoral arteries with reconstitution of the popliteal arteries (arrows in c) and good runoff below the knees (d).