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. 1984 Oct;153(1):195-201.
doi: 10.1148/radiology.153.1.6089264.

Fatty infiltration of the liver: demonstration by proton spectroscopic imaging. Preliminary observations

J K Lee, W T Dixon, D Ling, R G Levitt, W A Murphy Jr

Fatty infiltration of the liver: demonstration by proton spectroscopic imaging. Preliminary observations

J K Lee et al. Radiology. 1984 Oct.

Abstract

Two normal volunteers and three patients with CT evidence of fatty infiltration of the liver (two nonuniform, one diffuse) were studied to determine whether magnetic resonance imaging using a pulse sequence designed to differentiate fat and water could be used to detect fatty infiltration of the liver in human beings. The magnetic resonance technique used a modified spin echo technique (simple proton spectroscopic imaging) that was designed specifically to exploit the difference in the rate of precession between the protons in a water molecule and the protons in a fatty acid molecule. Images were obtained using in-phase and opposed techniques and were added or subtracted in order to obtain pure water and pure fat images. Quantitative data showed that fatty liver can be separated from normal liver using the spin echo technique, and that the opposed image of the proton spectroscopic technique is more sensitive to small changes in hepatic fatty content than in-phase images with any echo time.

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