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Research ArticleBRAIN

Wernicke Encephalopathy: MR Findings at Clinical Presentation in Twenty-Six Alcoholic and Nonalcoholic Patients

G. Zuccoli, M. Gallucci, J. Capellades, L. Regnicolo, B. Tumiati, T. Cabada Giadás, W. Bottari, J. Mandrioli and M. Bertolini
American Journal of Neuroradiology August 2007, 28 (7) 1328-1331; DOI: https://doi.org/10.3174/ajnr.A0544
G. Zuccoli
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M. Gallucci
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J. Capellades
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L. Regnicolo
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B. Tumiati
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T. Cabada Giadás
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W. Bottari
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J. Mandrioli
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M. Bertolini
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    Fig 1.

    A 33-year-old man presented with sudden and progressive changes in consciousness after prolonged voluntary food starvation.

    A, Axial FLAIR (11000/140/2 [TR/TE/NEX]) image shows marked hyperintensity of the tectal region (white arrows), periaqueductal area (black arrowheads), and mamillary bodies (white arrowheads). The lesions are compatible with reversible cytotoxic edema.

    B, On sagittal T1-weighted (530/13/2 [TR/TE/NEX]) image, low signal intensity areas with respect to the pons of both periaqueductal areas (black arrowheads) and tectal plate (white arrowheads) are seen. Note that the local swelling determines mild stenosis of the cerebral aqueduct.

    C, Ten days after thiamine replacement, a partial regression of the lesions involving the aqueductal region (black arrowheads) and mamillary bodies (white arrowheads) is easily seen on axial FLAIR image.

    D, This finding is confirmed by a sagittal T1-weighted image showing reopening of the cerebral aqueduct (white arrowheads).

  • Fig 2.
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    Fig 2.

    A 53-year-old woman with an history of chronic alcohol abuse presented with the classic neurologic triad of Wernicke encephalopathy. Coronal T2-weighted (2500/90/2 [TR/TE/NEX]) (A) and coronal FLAIR images (9000/105/2 [TR/TE/NEX]) (B) show high signal intensity circumscribed to the mamillary bodies (white arrows). After administration of contrast media, central enhancement (white arrows) of both mamillary bodies is seen on coronal T1-weighted image (532/15/2 [TR/TE/NEX]) (C).

  • Fig 3.
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    Fig 3.

    A 21-year-old woman presented with hyperemesis gravidarum, changes in consciousness, and ocular abnormalities.

    A, Sagittal T2-weighted image (4447/100/4 [TR/TE/NEX]) shows high signal intensity of the lower tectal plate (black arrow), dorsal upper medulla (black arrowheads), and mamillary body (white arrow).

    B, Symmetric involvement of the prepositus hypoglossal nuclei (white arrows) is demonstrated on an axial FLAIR (11000/140/2 [TR/TE/NEX]) image.

    C, Alterations in the tectal plate (white arrows) and mamillary bodies (white arrowheads) are seen.

    D, Axial FLAIR image at the level of the basal ganglia shows alterations of the medial thalamic nuclei (white arrows).

    E-G, Twelve days after the start of thiamine replacement therapy, regression of neurologic symptoms and FLAIR abnormalities is seen.

  • Fig 4.
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    Fig 4.

    A 45-year-old woman with a history of alcohol abuse had changes in consciousness and ocular abnormalities.

    A, No signal intensity alterations are seen on axial T2-weighted (2500/90/2 [TR/TE/NEX]) image at the level of the mamillary bodies and periaqueductal area. No alterations are seen on T2-weighted image at the level of the basal ganglia (not shown).

    B, After administration of contrast media, contrast enhancement of the mamillary bodies is demonstrated (white arrows) on axial T1-weighted (532/15/2 [TR/TE/NEX]) image.

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American Journal of Neuroradiology: 28 (7)
American Journal of Neuroradiology
Vol. 28, Issue 7
August 2007
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Cite this article
G. Zuccoli, M. Gallucci, J. Capellades, L. Regnicolo, B. Tumiati, T. Cabada Giadás, W. Bottari, J. Mandrioli, M. Bertolini
Wernicke Encephalopathy: MR Findings at Clinical Presentation in Twenty-Six Alcoholic and Nonalcoholic Patients
American Journal of Neuroradiology Aug 2007, 28 (7) 1328-1331; DOI: 10.3174/ajnr.A0544

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Wernicke Encephalopathy: MR Findings at Clinical Presentation in Twenty-Six Alcoholic and Nonalcoholic Patients
G. Zuccoli, M. Gallucci, J. Capellades, L. Regnicolo, B. Tumiati, T. Cabada Giadás, W. Bottari, J. Mandrioli, M. Bertolini
American Journal of Neuroradiology Aug 2007, 28 (7) 1328-1331; DOI: 10.3174/ajnr.A0544
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  • MR Imaging: An Increasingly Important Tool in the Early Diagnosis of Wernicke Encephalopathy
  • MR Imaging Findings in Wernicke Encephalopathy: Nonalcoholics May Be Similar to Alcoholics
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