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Mild encephalopathy with splenial lesion and parainfluenza virus infection.
MedLine Citation:
PMID:  23419480     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Mild encephalopathy with reversible splenial lesions has mainly been associated with influenza A and B virus infection. Patients present with neurologic symptoms 1 to 3 days after a prodromal illness and recover completely within a few days. Magnetic resonance imaging typically shows reversible lesions with reduced diffusion in the corpus callosum, predominantly in the splenium. We report on a 5-year old Caucasian boy who was referred with recurrent seizures and decreased level of consciousness after a 2-day prodromal fever and cough. Magnetic resonance imaging showed cytotoxic edema of the entire corpus callosum and the adjacent periventricular white matter with diffusion restriction and faint T(2)-hyperintensity. Parainfluenza virus type 1-3 infection was documented by direct immunofluorescence in the initial nasopharyngeal swab, but polymerase chain reaction for parainfluenza virus type 1-4 in the cerebrospinal fluid remained negative. This is-to our knowledge-the first description of mild encephalopathy with reversible splenial lesions in association with parainfluenza virus infection. The pathogenesis of mild encephalopathy with reversible splenial lesions, however, still remains unclear, and further studies investigating detailed mechanisms that lead to the typical brain lesions are warranted.
Authors:
Lea Abenhaim Halpern; Philipp Agyeman; Maja Steinlin; Marwan El-Koussy; Sebastian Grunt
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatric neurology     Volume:  48     ISSN:  1873-5150     ISO Abbreviation:  Pediatr. Neurol.     Publication Date:  2013 Mar 
Date Detail:
Created Date:  2013-02-19     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508183     Medline TA:  Pediatr Neurol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  252-4     Citation Subset:  IM    
Copyright Information:
Copyright © 2013 Elsevier Inc. All rights reserved.
Affiliation:
Department of Neuropaediatrics, Development and Rehabilitation, University Children's Hospital, Berne, Switzerland; Department of Pediatrics, University Children's Hospital, Berne, Switzerland.
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