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Acta Psychiatr Scand. 2002 Sep;106(3):224-6.

Relative increase in choline in the occipital cortex in chronic fatigue syndrome.

Author information

1
MRI Unit, MRC Clinical Sciences Centre, Imperial College School of Medicine, Hammersmith Hospital, London, UK. basant.puri@csc.mrc.ac.uk

Abstract

OBJECTIVE:

To test the hypothesis that chronic fatigue syndrome (CFS) is associated with altered cerebral metabolites in the frontal and occipital cortices.

METHOD:

Cerebral proton magnetic resonance spectroscopy (1H MRS) was carried out in eight CFS patients and eight age- and sex-matched healthy control subjects. Spectra were obtained from 20 x 20 x 20 mm3 voxels in the dominant motor and occipital cortices using a point-resolved spectroscopy pulse sequence.

RESULTS:

The mean ratio of choline (Cho) to creatine (Cr) in the occipital cortex in CFS (0.97) was significantly higher than in the controls (0.76; P=0.008). No other metabolite ratios were significantly different between the two groups in either the frontal or occipital cortex. In addition, there was a loss of the normal spatial variation of Cho in CFS.

CONCLUSION:

Our results suggest that there may be an abnormality of phospholipid metabolism in the brain in CFS.

PMID:
12197861
[Indexed for MEDLINE]

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