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Effect of respiratory gating in a 51-year-old patient with transient motion. On late arterial phase without respiratory gating (A), significant motion artifacts and decreased signal in the right lobe due to motion artifact were shown on the late arterial phase (arrowheads). In the respiratory-gated reconstruction, respiratory motion artifacts decreased (arrowheads) and image quality improved (B). The onset and duration of transient motion is provided in Fig. 1B.
