Dystypia Associated with Diaschisis of the Middle Frontal Gyri after Left Angular Infarction
Copyright © 2021 Elsevier Inc. All rights reserved..
Dystypia without aphasia, agraphia, or apraxia is a rare symptom and has been suggested to result from a lesion in the left middle frontal cortex. We herein describe a man with dystypia with agraphia due to infarction of the left angular gyrus. His dystypia seemed to result from the convergence failure of the kana into the alphabetical spellings. During dystypia, hypoperfusion of the bilateral middle frontal cortices was discovered. However, after his symptoms improved, blood flow in the middle frontal cortices returned to normal. This case suggests that the middle frontal cortex is downstream of the angular gyrus in the dictating pathway and a lesion in the left middle frontal cortex could cause pure dystypia.
Medienart: |
E-Artikel |
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Erscheinungsjahr: |
2021 |
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Erschienen: |
2021 |
Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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Enthalten in: |
Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association - 30(2021), 7 vom: 05. Juli, Seite 105803 |
Sprache: |
Englisch |
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Beteiligte Personen: |
Maeda, Kengo [VerfasserIn] |
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Links: |
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Themen: |
Angular gyrus |
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Anmerkungen: |
Date Completed 15.06.2021 Date Revised 15.06.2021 published: Print-Electronic Citation Status MEDLINE |
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doi: |
10.1016/j.jstrokecerebrovasdis.2021.105803 |
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funding: |
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Förderinstitution / Projekttitel: |
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PPN (Katalog-ID): |
NLM324459289 |
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520 | |a Dystypia without aphasia, agraphia, or apraxia is a rare symptom and has been suggested to result from a lesion in the left middle frontal cortex. We herein describe a man with dystypia with agraphia due to infarction of the left angular gyrus. His dystypia seemed to result from the convergence failure of the kana into the alphabetical spellings. During dystypia, hypoperfusion of the bilateral middle frontal cortices was discovered. However, after his symptoms improved, blood flow in the middle frontal cortices returned to normal. This case suggests that the middle frontal cortex is downstream of the angular gyrus in the dictating pathway and a lesion in the left middle frontal cortex could cause pure dystypia | ||
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