AJDRAJNR - American Journal of Neuroradiology

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FIG 5. Patient 6. Proton MRS image from the periaqueductal region (TR/TE = 1500/144).

A, At presentation. Note the negative doublet of lactate. NAA/Cr ratio is reduced 1.11.

B, Five weeks later, the lactate doublet is no longer seen. NAA peak is higher than before.





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Copyright © 2009 by the American Society of Neuroradiology. Print ISSN: 0195-6108 Online ISSN: 1936-959X