Figure 9From: Dental artifacts in the head and neck region: implications for Dixon-based attenuation correction in PET/MR Demonstration of the irreproducibility of the artifact sizes between scans. MR-AC (bottom row) compared to CT (upper row). (A,B) MR-ACDIXON and CT images of the same patient acquired 4 months apart. Note that the magnitude and size of CT artifacts seem unchanged between the scans.Back to article page