We describe the first use of Diffusion Exchange Spectroscopy (DEXSY) in-vivo, to measure water exchange in tumours. We present preliminary data suggesting that we can capture information about the micro-structure of tumors, with what appear to be intracellular, extracellular and perfusion peaks present in diffusion-diffusion exchange plots, acquired from subcutaneous tumor xenograft models, in-vivo using DEXSY.
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