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Abstract #0973

NOE imaging in tumors using asymmetric analysis of 2pi-CEST signals

Jing Cui1,2 and Zhongliang Zu1,2
1Vanderbilt University Institute of Imaging Science, Nashville, TN, United States, 2Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center, Nashville, TN, United States


Nuclear overhauser enhancement (NOE) mediated chemical exchange saturation transfer (CEST) effect at -3.5 ppm has shown clinical interests in diagnosing tumors. Asymmetric analysis is a fast and simple method to measure and quantify the NOE effect, but has contamination from the downfield amide proton transfer (APT) effect at 3.5 ppm. In this abstract, we provide a new NOE quantification method using asymmetric analysis of CEST signals acquired with 2pi saturation pulses (2pi-CEST) which is also fast but has reduced contamination from the APT effect.

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