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Abstract #3738

Respiratory Triggered Diffusion Tensor Imaging MR of the Kidney at 3T

Lorenzo Mannelli1, Theodore J. Dubinsky1, Mariam Moshiri1, Manjiri K. Dighe1, Jeffrey H. Maki1

1University of Washington, Seattle, WA, United States

The kidney is very appealing to be studied with DTI because of the renal medulla radially oriented architecture. The main challanges are differentiating the vascular flow from the tubular flow, and an acquisition tecnique easy to apply in clinical practice.

Keywords

achieve acquisition acquisitions aims allows already anisotropic anisotropy apparent appealing application architecture artifacts assess authors avoid bandwidth blue brain breath characterization chemical coefficient combined component contrast coronal cortex decrease decrement deviation diffusion directionality disease eigenvector enhanced evaluation feasibility feasible flow fraction fractional gradient gradients green healthy history hold incoherent increasing inferior influenced invest kidney kidneys legend lesions limits longer mainly maps matrix measured medication medulla microscopic motion needed neural noise null optimization organized oriented others overcome pairs percentage perfusion physiologic preferential previous protocol publications published quantify radial radially radiology ranging receiving reduced regular renal reported representative requires respiratory saturation scanner scanning selected separation significance slice speculate structure structures studied subject superior table target tensor tissue triggered triggering trio tubular tubules vessels volunteers widely wise