Document Detail


Pure agraphia of kanji due to thrombosis of the Labbé vein.
MedLine Citation:
PMID:  2341848     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
A case is described of a 56 year old Japanese male with pure agraphia of kanji (the Japanese morphograms) due to haemorrhagic infarction of the left temporal lobe caused by the rare condition of cortical vein thrombosis of Labbé. Writing kanji was severely impaired without disturbed consciousness, aphasia or apraxia. On the other hand, writing kana (the Japanese syllabograms), and reading kanji and kana were almost intact. This suggests that the process of writing kanji involves a different pathway from that of reading kanji in the left temporal lobe. Pure agraphia of kanji is considered to be similar to lexical agraphia in Indo-European languages, in that the writing system with a poor or irregular phoneme-grapheme transformation is impaired by the left temporal lesion. This case indicates the necessity for considering thrombosis of the Labbé vein when a subcortical haematoma is detected in a temporal lobe on computed tomography of the brain.
Authors:
T Yokota; S Ishiai; T Furukawa; H Tsukagoshi
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of neurology, neurosurgery, and psychiatry     Volume:  53     ISSN:  0022-3050     ISO Abbreviation:  J. Neurol. Neurosurg. Psychiatr.     Publication Date:  1990 Apr 
Date Detail:
Created Date:  1990-06-25     Completed Date:  1990-06-25     Revised Date:  2009-11-18    
Medline Journal Info:
Nlm Unique ID:  2985191R     Medline TA:  J Neurol Neurosurg Psychiatry     Country:  ENGLAND    
Other Details:
Languages:  eng     Pagination:  335-8     Citation Subset:  IM    
Affiliation:
Department of Neurology, Tokyo Medical and Dental University, Japan.
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MeSH Terms
Descriptor/Qualifier:
Agraphia / etiology*
Cerebral Angiography
Female
Humans
Intelligence Tests
Intracranial Embolism and Thrombosis / complications*,  pathology,  radiography
Magnetic Resonance Imaging
Middle Aged
Tomography, X-Ray Computed
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