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Abstract #3232

A pulse sequence for robust and efficient quantitative R1rho asymmetry imaging to probe chemical exchange effect

Baiyan Jiang1 and Weitian Chen1
1Department of Imaging and Interventional Radiology, The Chinese University of Hong Kong, Hong Kong, Hong Kong

The measurement of R1rho (1/T1rho) spectrum and its asymmetry have several advantages over Chemical Exchange Saturation Transfer (CEST) to probe chemical exchange effect. Previously reported AC-iTIP approach is able to obtain R1rho-spectrum and R1rho asymmetry robustly. However, it suffers from long scan time. In this work, we proposed a new AC-iTIP approach to reduce the scan time by approximately 30%~40%, without compromising the robustness.

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