Classification of Carotid Plaque With Computed Tomography With Fast kVp (Kilovolt Peak)-Switching Technique

For the this study itself there is no intervention caused by the extra CT or MRI. The patients are scheduled for surgery as the routine intervention to reduce the risk of a new stroke in clinical practice. The performed extra diagnostic CT and MRI in this study before surgery will compare the vessel wall images with histology regardless of the patients status or medication.