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Cardiac PCCT: example of a follow-up of an aortic valve prosthesis that shows significant signs of Hypo-Attenuating Leaflet Thickening (HALT) due to thrombotic apposition (arrowheads). A very thin layer of hypodense tissue can be easily seen in the high-resolution PCCT image. Reprinted with permission under open access from Cademartiri et al. [22].
