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Hemorrhagic pure sensory strokes in the thalamus and striatocapsular area: causes, clinical features and long-term outcome.
MedLine Citation:
PMID:  20978367     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
BACKGROUND: Although there have been sporadic reports of patients with hemorrhagic pure sensory strokes (HPSS) in the thalamus and striatocapsular areas, the causes, clinical featuring and long-term outcome have not been adequately investigated.
METHODS: We recruited 7 consecutive patients without hemiparetic stroke who had HPSS in the thalamic and striatocapsular areas. A CT scan was performed to verify brain imaging patterns, and their causes, clinical featuring and long-term outcome were observed.
RESULTS: We studied 7 patients who had HPSS in the thalamic and striatocapsular areas as seen in CT scans. The 7 patients had hypertension, and small hemorrhages were found in the thalamus of 2 patients and in the posterior quarter of the posterior limb of the internal capsule in 4 patients; only 1 patient had a microhemorrhage in the thalamus. The volume of the hemorrhages ranged from 0.3 to 6.3 ml, with a mean of 2.3 ± 1.9 ml. Three patients showed a decreased sense of spinothalamic modality, and position and vibration senses were spared. Four patients showed a sensory deficit of both spinothalamic and medial lemniscal type. The outcomes were excellent and without post-stroke pain in all patients.
CONCLUSION: HPSS in the thalamus and striatocapsular area are usually small hemorrhages or microhemorrhages from rupturing of the microvessels or the branches of small vessels. HPSS only have an impact on the adjacent sensory nucleus or pathway, and have a good outcome without post-stroke pain.
Authors:
Dao-Ming Tong; Ye-Ting Zhou; Guang-Sheng Wang; Xiao-Dong Chen; Tong-Hui Yang; Chun-Hong Chang; Yuan-Wei Wang
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Publication Detail:
Type:  Journal Article     Date:  2010-10-27
Journal Detail:
Title:  European neurology     Volume:  64     ISSN:  1421-9913     ISO Abbreviation:  Eur. Neurol.     Publication Date:  2010  
Date Detail:
Created Date:  2010-11-22     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0150760     Medline TA:  Eur Neurol     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  275-9     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 S. Karger AG, Basel.
Affiliation:
Department of Neurology, Shuyang People's Hospital, Renmin Road CB48, Shuyang, China. tongdaoming@163.com
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