Keywords: Tendon/Ligament, CEST & MT, UTE, Ultra-short TEA δUTE sequence allows for collecting multiple echoes with short echo time intervals, without the restriction of in-phase TEs. This study utilizes data collected with δUTE for bi-exponential T2* mapping of cartilage, muscle and tendon tissues in a human foot. The same anatomies are also evaluated using Z-spectrum Analysis Protons (ZAP) and Chemical exchange saturation transfer (CEST). While ZAP imaging provides overall exchange proton quantification of free and restricted exchange protons in a wide range of frequencies, CEST focuses on specific hydroxy (-OH, at 1.0 ppm), amine (-NH2, at 2 ppm), and amide (-NH, at 3.5 ppm) protons.
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