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. Author manuscript; available in PMC: 2022 Aug 9.
Published in final edited form as: Invest Radiol. 2022 Mar 4;57(8):517–526. doi: 10.1097/RLI.0000000000000866

FIGURE 2.

FIGURE 2.

The effect of pulse sequence without and with VAT and SEMAC on metal artifacts, image blurring, SNR, and acquisition time. Smaller panels show the resolution phantom in each case. A, MRI of the Ti implant using different pulse sequences shows minimal distortion of the acetabular cup with the TSE sequence (white arrows), whereas there is near-complete artifact reduction on VAT and SEMAC pulse sequences. Note the introduction of image blurring with VAT and VAT + SEMAC. B, MRI of the CoCr implant demonstrates the need for SEMAC with at least 9 encoding steps for adequate artifact reduction of the acetabular component.