Figure 1

Ferumoxytol thoracoabdominal MRA (A) in a patient with GFR < 30 and gadolinium thoracoabcominal MRA (B) in the same patient 2 months earlier. Ferumoxytol abdominal aortic MRA in a patient with GFR < 30 (Panel C) and gadolinium abdominal aortic MRA in the same patient 2 months earlier (Panel D). Ferumoxytol carotid MRA (E) and gadolinium carotid MRA (F) in the same patient 1 year earlier.