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Fig. 5A. 78-year-old man with stent in right iliac artery who
underwent MDCT and digital subtraction angiography. and B, Digital
subtraction angiogram (A) and maximum-intensity-projection image
(B) both show short segment of severe stenosis in right superficial
femoral artery (thin straight arrow), long segment of occlusion in
left femoral artery (curved arrows), and occlusion of bilateral
anterior tibial arteries (arrowheads). However, patency of
stent-graft (thick straight arrow, A) is visualized only on
angiogram; maximum-intensity-projection image does not provide any information
concerning in-stent status (thick straight arrow, B). Review
of cross-sectional images revealed in-stent patency.