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Abstract #1959

Different injection duration combining with modality of k space sampling: Initial experience with a 3 T scanner

Sun W, Lin K, Zhang Z, Lu B
GE Healthcare

Does injection duration of contrast medium affects image quality? Do various k space sampling modalities have different sensitivities to the effection? 80 patients were randomly divided into four groups and underwent imaging with different 3D contrast-enhanced MRA scanning and injection protocol combinations. We found that short injection duration of contrast medium leads to more heterogeneous signal intensity. Centric view ordering seems to be more sensitive to short injection duration than elliptic centric view ordering of k space sampling.