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Left Unilateral Agraphia and Tactile AnomiaDisturbances Seen After Occlusion of the Anterior Cerebral Artery
Atsushi Yamadori, MD;
Yukio Osumi, MD;
Hiroto Ikeda, MD;
Yasuhisa Kanazawa, MD
Arch Neurol. 1980;37(2):88-91.
Abstract
• A 53-year-old right-handed Japanese man had a callosal disconnection syndrome associated with an occlusion of the left pericallosal artery. Computerized tomography scan confirmed a left medial lesion affecting the cingulate gyrus, the paracentral lobule, the precuneus of the left hemisphere, and most probably the corpus callosum. This anterior cerebral artery syndrome was characterized by right hemiparesis with predominant crural involvement, unilateral left-sided "disconnection" agraphia, and left unilateral "disconnection" tactile naming deficit.
To our knowledge, this is the first case in the literature of the anterior cerebral artery syndrome in which unilateral left-sided apraxia was not associated with agraphia. The case is also the first in which Kanji-Kana dissociation of an aphasic nature has been reported as a feature of isolated left agraphia.
Author Affiliations
From the Departments of Neurology and Psychiatry (Drs Yamadori, Osumi, and Ikeda), and Neurosurgery (Dr Kanazawa), Kobe University School of Medicine, Kobe, Japan.
Footnotes
Accepted for publication Feb 7, 1979.
Reprint requests to Department of Neurology and Psychiatry, Kobe University School of Medicine, Kusunokicho 7-chome, Ikutaku, Kobe 650, Japan (Dr Yamadori).
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