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Neuroimaging findings in pediatric Wernicke encephalopathy: a review

  • Paediatric Neuroradiology
  • Published:
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Abstract

Wernicke encephalopathy (WE) is an acute neurological disease resulting from dietary thiamine (vitamin B1) deficiency. WE is characterized by changes in consciousness, ocular dysfunction, and ataxia. Neuroradiologic findings usually show symmetric signal intensity alterations in the mammillary bodies, medial thalami, tectal plate, and periaqueductal area. Selective involvement of the cranial nerve nuclei, cerebellum, red nuclei, dentate nuclei, fornix, splenium, cerebral cortex, and basal ganglia characterize nonalcoholic WE patients. Furthermore, symmetric basal ganglia alterations with involvement of the putamen have only been observed in children. The incidence of WE is underestimated in both adult and pediatric patients. Interestingly, the frequency of WE in children appears to be similar to that observed in adults. The prognosis of the disease largely depends on the time from diagnosis to thiamine supplementation. The aim of this pediatric literature review is to provide an update on neuroradiologic findings in children affected by WE in an effort to determine pertinent clinical and imaging findings that can improve the detection and early identification of the disease. A thorough knowledge of the MRI findings of WE will assist in arriving at an early diagnosis, thereby reducing the morbidity and mortality associated with this disease in children.

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Conflict of interest statement

We declare that we have no conflict of interest.

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Authors and Affiliations

  1. Department of Radiology, Children’s Hospital of Pittsburgh of UPMC, Children’s Hospital of Pittsburgh, Children’s Hospital Drive 4401 Penn Avenue Pittsburgh, Pittsburgh, PA, 15224, USA

    Giulio Zuccoli, Nasir Siddiqui, Ariel Bailey & Stefano C. Bartoletti

  2. Department of Pediatric Radiology, Children’s Hospital of Pittsburgh, University of Pittsburgh Medical Center, Children’s Hospital Drive 4401 Penn Avenue Pittsburgh, Pittsburgh, PA, 15224, USA

    Giulio Zuccoli

Authors
  1. Giulio Zuccoli
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  2. Nasir Siddiqui
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  3. Ariel Bailey
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  4. Stefano C. Bartoletti
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Correspondence to Giulio Zuccoli.

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Giulio Zuccoli and Nasir Siddiqui equally contributed to this paper.

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Zuccoli, G., Siddiqui, N., Bailey, A. et al. Neuroimaging findings in pediatric Wernicke encephalopathy: a review. Neuroradiology 52, 523–529 (2010). https://doi.org/10.1007/s00234-009-0604-x

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  • DOI: https://doi.org/10.1007/s00234-009-0604-x

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