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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Magn Reson Imaging. 2017 Feb 2;46(1):24–39. doi: 10.1002/jmri.25577

Figure 4.

Figure 4

Images generated utilizing an ultra-short echo (UTE) acquisition, which is part of the GRE acquisition family, at 4 different echo times, of 32 year old man following an anterior cruciate ligament reconstruction with a titanium interference screw in the femoral tunnel (arrow) and a stainless steel button on the anterior aspect of the tibia (arrow heads) to secure the implanted graft. The images display that the use of longer echo times in a GRE acquisition results in a larger area of susceptibility artifact, which is minimized by the use of shorter echo times.