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Pallidoreticular lesion in carbon monoxide intoxication by gradient echo: report of a case with parkinsonism features and review of the literature.
MedLine Citation:
PMID:  22879090     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Pallidoreticular damage was defined by lesions involving both the pallidum and the substantia nigra and was only reported in four cases after CO intoxication. Case Report: We report a patient with initial consciousness disturbances followed by parkinsonian features after carbon monoxide intoxication. The unique features in this patient included primary globus pallidus hemorrhage followed by delayed hemorrhage in pallidoreticular topography demonstrated by T1- and T2-weighted imaging. In the follow-up study 7 months later, the patient still presented with parkinsonism features and executive dysfunction while the pallidoreticular signal was only visible by gradient echo sequences but not the other MR conventional sequences. Hypometabolism in the frontal and basal ganglion regions were evident from 99mTc-TRODAT-1 study and partial responsiveness to levodopa in alleviating parkinsonian features was considered. Conclusion: This case highlights the delayed development of pallidoreticular damages and its linkage in modulating prefrontal-subcortical neuronal circuits.
Authors:
Nai-Ching Chen; Chun-Chung Lui; Shu-Hua Huang; Chi-Wei Huang; Chen-Chang Lee; Wen-Neng Chang; Chang-Hung Chen; Yu-Ting Lin; Chiung-Chih Chang
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta neurologica Taiwanica     Volume:  21     ISSN:  1028-768X     ISO Abbreviation:  Acta Neurol Taiwan     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-08-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9815355     Medline TA:  Acta Neurol Taiwan     Country:  China (Republic : 1949- )    
Other Details:
Languages:  eng     Pagination:  44-8     Citation Subset:  IM    
Affiliation:
Department of Neurology, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung, Taiwan.
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