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Rapid and robust DTI using a turboPROP technique with blade sharing and whole-blade acquisition

Zhiqiang Li¹ and John P Karis¹
¹Neuroradiology, Barrow Neurological Institute, Phoenix, AZ, United States

ssEPI is widely used in clinical DTI but suffers geometric distortion artifacts. In this work we develop a whole-blade acquisition mode and a blade sharing strategy for turboPROP to achieve comparable scan time as clinical ssEPI-based DTI scan. In vivo results demonstrate good image quality.

Fig. 5. Comparison of quantitative measurement (FA maps) between ssEPI and turboPROP.

Fig. 4. Demonstration of of geometric distortion artifacts, which are observed in the trace images from ssEPI but minimized in turboPROP.