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A Case of Conduction Aphasia due to Right Hemispheric Lesion Naoko Kanai 1 , Shinichiro Maeshima 1 , Eri Sekiguchi 1 , Hiroaki Neki 2 , Eiharu Morikawa 2 1Department of Rehabilitation,Saitama Medical University International Medical Center 2Department of Stroke Neurosurgery,Saitama Medical University International Medical Center Keyword: crossed aphasia , conduction aphasia , atypical , phonemic paraphasia pp.1165-1169
Published Date 2009/10/1
DOI https://doi.org/10.11477/mf.1416100571
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Abstract

 We report the case of conduction aphasia due to injury of the right hemisphere of the brain. The patient was a right-handed male in his fifties with moyamoya disease. T2-weighted MRI showed an extensive high intensity area in the right temporal-parietal-occipital lobes. In the case of language-related symptoms, comprehension was preserved, but phonemic paraphasias were frequent, and kana paragraphias were also observed. Despite the extensive injury of the right hemisphere, these language-related symptoms were consistent with the clinical features of conduction aphasia. Therefore, this patient was diagnosed with atypical crossed aphasia. Improvement in the phonemic paraphasia differed between words and nonsense words, suggesting that the improvement was dependent on the level of meaning of the words.

(Received: February 23,2009,Accepted: July 3,2009)


Copyright © 2009, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1344-8129 印刷版ISSN 1881-6096 医学書院

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