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Letter

Licorice consumption-associated thunderclap headache: posterior reversible encephalopathy syndrome or subarachnoid hemorrhage?

Hongliang Zhang12*, Xiao-Feng Wang3 and Jiang Wu1

Author Affiliations

1 Department of Neurology, The First Hospital of Jilin University, Jilin University, Xinmin Street 71#, 130021 Changchun, China

2 NVS, Karolinska Institute, Novum, plan 5, SE 141 86 Huddinge, Stockholm, Sweden

3 College of Public Health, Jilin University, Xinmin Street 1163#, 130021 Changchun, China

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Critical Care 2011, 15:416  doi:10.1186/cc10107


See related research by van Beers et al., http://ccforum.com/content/15/1/R64

Published: 31 March 2011

First paragraph (this article has no abstract)

van Beers and colleagues described a 49-year-old woman admitted to hospital for thunderclap headache, blurred vision and hypertension. Based on clinical manifestations, diagnostic work-up and follow-up, the authors diagnosed the case as posterior reversible encephalopathy syndrome (PRES) [1]. We agree that PRES should be considered in this case, while differential diagnosis such as subarachnoid hemorrhage (SAH) requires further investigation and exclusion.