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¹H MR Spectroscopy in the Evaluation of the Severity of Chronic Liver Disease

Robert Steiner MRI Unit, Imaging Sciences Department, Clinical Sciences Centre, Faculty of Medicine, Imperial College, Hammersmith Hospital Campus, Du Cane Road, London W12 0HS, England, e-mail: a.lim@ic.ac.uk

View larger version (19K): [in a new window]   Figure 1. Water-saturated 1H MR spectrum from a normal liver with a point-resolved spatially localized spectroscopic sequence (1,500/40 [repetition time msec/echo time msec]). Three lipid peaks are due to CH, CH2, and CH3 resonances, and a choline peak is due to choline (Cho) resonance. Peak X is unassigned. PPM = parts per million.

View larger version (26K): [in a new window]   Figure 2. Normal hepatic 31P MR spectrum illustrates phosphomonoester (PME), phosphodiester (PDE), inorganic phosphate (Pi), and , , ß nucleotide triphosphate (NTP) resonances. The spectrum is localized with an image-selected in vivo spectroscopic sequence (10,000/2). The broad component consisting of signals from motion-restricted phospholipid is indicated by the dotted line. PPM = parts per million.