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Cognitive profiles of neurofibromatosis type 1 patients with minor brain malformations.
MedLine Citation:
PMID:  22490768     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Neurofibromatosis type 1 is a genetic condition associated with increased risk of abnormal brain development. The relationship between a specific type of brain malformation and a distinct cognitive sign/deficiency remains unknown. This study investigated the frequency of brain malformations in children with neurofibromatosis type 1, and the impact of those brain malformations on cognitive performance. A retrospective examination was performed of cranial magnetic resonance imaging and clinical records in 604 neurofibromatosis type 1 patients. Eighteen patients with brain malformations and intellectual evaluations were available and compared to a subset of neurofibromatosis type 1 patients (n = 20) without brain malformations. The most common brain malformations included hypothalamic hamartomas and Chiari I malformation. More complex migration disorders were also observed. Comparisons of cognitive profiles between groups revealed differences in patients with hamartomas compared with those manifesting Chiari I malformations or control subjects. As a group, those with hamartomas demonstrated below-average global intellect, whereas patients with Chiari I or no malformations performed in the average range. Disorders in cell organization, expressed as brain malformations (hamartomas or more complex defects), may comprise part of the expression of organizational and developmental defects in patients with neurofibromatosis type 1 and possibly other rat sarcoma gene-mitogen activated protein kinase pathway disorders.
Authors:
Maria T Acosta; Karin S Walsh; Peter G Kardel; Rachel E Kutteruf; Rujuta R Bhatt; Tara C Bouton; Louis-Gilbert Vezina; Roger J Packer
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Pediatric neurology     Volume:  46     ISSN:  1873-5150     ISO Abbreviation:  Pediatr. Neurol.     Publication Date:  2012 Apr 
Date Detail:
Created Date:  2012-04-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8508183     Medline TA:  Pediatr Neurol     Country:  United States    
Other Details:
Languages:  eng     Pagination:  231-4     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Inc. All rights reserved.
Affiliation:
Jennifer and Daniel Gilbert Neurofibromatosis Institute, Washington, DC; Department of Neurology, Center for Neuroscience and Behavioral Medicine, Children's National Medical Center, Washington, DC; George Washington University, School of Medicine, Washington, DC.
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