Document Detail


"Crossed homonymous hemianopia" and "crossed left hemispatial neglect" in a case of Marchiafava-Bignami disease.
MedLine Citation:
PMID:  8410028     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
"Crossed homonymous hemianopia" and "crossed left hemispatial neglect" were observed in a woman with Marchiafava-Bignami disease. Two forms of "crossed homonymous hemianopia" were observed. Initially, Goldmann perimeter testing showed a left homonymous hemianopia with the right hand and vice versa. Later, confrontation tests showed a left homonymous hemianopia, whereas visual field testing using the Goldmann perimeter (kinetic quantitative perimeter) and the OCTOPUS (Interzeag AG, static automated perimeter) showed a right homonymous hemianopia with either hand. "Crossed left hemispatial neglect" was not seen with the left hand, but neglect of the left hemifield was seen with the right hand. CT and MRI showed a lesion occupying almost the entire corpus callosum. PET showed no significant differences between comparable areas of the left and right cerebral hemispheres. These findings indicate that both signs of interhemispheric disconnection were due to the callosal lesion. Moreover, the "crossed left hemispatial neglect" can be explained as being a consequence of the dominance of the right cerebral hemisphere for visuospatial recognition.
Authors:
M Kamaki; M Kawamura; H Moriya; K Hirayama
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Publication Detail:
Type:  Case Reports; Journal Article    
Journal Detail:
Title:  Journal of neurology, neurosurgery, and psychiatry     Volume:  56     ISSN:  0022-3050     ISO Abbreviation:  J. Neurol. Neurosurg. Psychiatr.     Publication Date:  1993 Sep 
Date Detail:
Created Date:  1993-10-26     Completed Date:  1993-10-26     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:  1027-32     Citation Subset:  IM    
Affiliation:
Department of Neuropsychiatry, Tokyo Metropolitan Hiroo General Hospital, Japan.
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MeSH Terms
Descriptor/Qualifier:
Adult
Alcoholism / complications
Brain / pathology
Demyelinating Diseases / complications*
Female
Functional Laterality
Hemianopsia / etiology*
Humans
Magnetic Resonance Imaging
Perimetry
Space Perception*
Visual Fields
Comments/Corrections

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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