Abstract #0254

Simultaneous measurement of short and long T2* components using hybrid encoding

Hyungseok Jang^1,2, Curtis N Wiens¹, and Alan B McMillan¹

¹Department of Radiology, University of Wisconsin, Madison, WI, United States, ²Department of Electrical and Computer Engineering, University of Wisconsin, Madison, WI, United States

In this study, we propose a highly time efficient quantitative imaging scheme where short and long T2* components can be simultaneously estimated. This method is based on a multi-echo UTE hybrid encoding scheme, where the central SPI region is oversampled to allow measurement of short T2* across a wide range of TEs. The UTE acquisition is immediately followed by a gradient echo train to measure long T2*. We show the proposed method can obtain an extensive number of images (e.g., approximately 750 images) within a single acquisition and reasonable scan time.

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