Shows axial TOF, T1 weighted pre- and post- contrast and T2 weighted high-resolution black-blood CMR and CTA (lower right) images of a stable carotid plaque on the asymptomatic left side in a 66 year old patient who had suffered from right hemispheric stroke. Both CMR and CTA images show the presence of an AHA lesion type 7 plaque in the dorsal wall of the left proximal internal carotid artery. After administration of contrast material the thick fibrous cap is delineated as a hyperintense rim in the T1 weighted contrast enhanced images, separating the plaque from the lumen (white arrowheads). Also note the hypointense signal of the plaque interior in the T1 weighted contrast enhanced image as well as the hypodense area in the CTA image corresponding to a large lipid-rich necrotic core (arrow), measured at 166 HU, probably due to blooming artifacts caused by its calcified portion. The hypointense rim in the peripheral plaque in all MR sequences and the corresponding hyperdense area in the CTA image indicate the presence of a calcification (black arrowheads).