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Examples of MRSI prostate spectra. A: Typical spectral analysis of normal prostate tissue, showing a high citrate (Ci) peak, with a low choline (Cho) peak, and the peak of creatine (Cr) used as comparison parameter for the other metabolites. On B, we observe the spectral signature of typical aggressive PCa, with a high choline (Cho) peak and low citrate (Ci) levels.
