Chronic Progressive External Ophthalmoplegia: MR Spectroscopy and MR Diffusion Studies in the Brain
Jens O. Heidenreich1,2,
Thomas Klopstock3,
Timo Schirmer2,
Philipp Saemann2,
Wolfgang Mueller-Felber4 and
Dorothee P. Auer2
1 Department of Radiology and Nuclear Medicine, Charité Campus Benjamin
Franklin, Hindenburgdamm 30, Berlin, Germany 12200.
2 Department of Radiology, Max-Planck-Institute of Psychiatry, AG NMR, Munich,
Germany
3 Department of Neurology, Klinikum Grosshadern, Ludwig-Maximilians-University,
Munich, Germany.
4 Friedrich-Baur-Institute, Munich, Germany.

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Fig. 1A Axial FLAIR images of patient 4, 26-year-old man with chronic
progressive external ophthalmoplegia plus. Arrows show signal hyperintensities
in pyramidal tract.
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Fig. 1B Axial FLAIR images of patient 4, 26-year-old man with chronic
progressive external ophthalmoplegia plus. Arrows show signal hyperintensities
in subcortical white matter that can be traced through pyramidal tract.
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Fig. 2A Axial T2-weighted images of patient 9, 20-year-old woman with
Kearns-Sayre syndrome. Arrows show signal hyperintensities in cerebellar
peduncles.
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Fig. 2B Axial T2-weighted images of patient 9, 20-year-old woman with
Kearns-Sayre syndrome. Arrows show signal hyperintensities in thalamus.
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Fig. 3 Box plots showing N-acetylaspartate (NAA) normalized
to creatine (CR) in three different brain regions (cortex and right and left
white matter [WM]) for patients with chronic progressive external
ophthalmoplegia (gray boxes) and age-matched controls (white
boxes). O = outliers.
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Copyright © 2006 by the American Roentgen Ray Society.