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Abstract #1579

Effect of Gradient Pulse Duration on Diffusion-Weighted Imaging Estimation of the Diffusional Kurtosis for the Krger Model

Jens H. Jensen1, Joseph A. Helpern1

1Radiology, New York University School of Medicine, New York, NY, United States

The apparent diffusional kurtosis for the Krger model is calculated as a function of the gradient pulse duration. It is found that the error relative to the true value is at most a few percent for the parameter range of interest for brain. This result helps to justify the use of larger gradient pulse durations for diffusion-weighted imaging estimation of the diffusional kurtosis.