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Figure 1 Schematic representation of the magnetic resonance imaging (MRI) catheter within an artery. (Left) The artery is shown in the longitudinal axis with juxtaposition of the MRI catheter close to a segment of the arterial wall containing a lipid-rich core. The slice thickness of the MRI measurement is 2 mm in length. (Right) Cross section of the artery is shown with the catheter in close proximity to a radial 60° section containing two evaluated detection bands within the field of view (0 to 100 µm and 100 to 250 µm). The catheter is connected to its interface control unit and the imaging console.