Abstract #0554

Rapid Parametric Mapping Using the Unsuppressed Water Signals in Metabolic Imaging of the Brain

Rong Guo^1,2, Yibo Zhao^1,2, Yudu Li^1,2, Yao Li³, and Zhi-Pei Liang^1,2

¹Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ²Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, IL, United States, ³School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai, China

Both quantitative MR parametric mapping and MRSI take long scan times. SPICE has recently demonstrated a unique capability for simultaneous metabolic imaging and water imaging. Taking advantage of the unsuppressed water signals acquired using SPICE, we extended the SPICE technique with a new feature for fast parametric mapping. With one-minute extra scan time, T₁ and T₂ maps at 1.0×1.0×2.0 mm³ resolution were successfully obtained. This new capability enables simultaneous high-resolution parametric mapping and metabolic imaging of the human brain in a total 8-minute scan.

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