{"title":"Stroke cases with apraxia of speech due to damage to the left frontal aslant tract","authors":"Masaharu Sawaki, Masahiko Yamamoto, Hiroyasu Yamamoto, Kenji Furukawa, Takahiro Yamauchi","doi":"10.1111/ncn3.12849","DOIUrl":null,"url":null,"abstract":"We encountered two acute stroke cases with apraxia of speech (AOS) due to left internal border‐zone infarction. Neither case had a lower precentral gyrus lesion in the left frontal lobe. The findings obtained confirmed the relationship between AOS with improvement and damage to the left frontal aslant tract (FAT) in stroke. FAT integrity has potential as a prognostic imaging biomarker of AOS. It is important to visualize the fiber connections of white matter using diffusion tensor tractography, which will predict the outcome of AOS.","PeriodicalId":19154,"journal":{"name":"Neurology and Clinical Neuroscience","volume":null,"pages":null},"PeriodicalIF":0.4000,"publicationDate":"2024-08-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Neurology and Clinical Neuroscience","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1111/ncn3.12849","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CLINICAL NEUROLOGY","Score":null,"Total":0}
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Abstract
We encountered two acute stroke cases with apraxia of speech (AOS) due to left internal border‐zone infarction. Neither case had a lower precentral gyrus lesion in the left frontal lobe. The findings obtained confirmed the relationship between AOS with improvement and damage to the left frontal aslant tract (FAT) in stroke. FAT integrity has potential as a prognostic imaging biomarker of AOS. It is important to visualize the fiber connections of white matter using diffusion tensor tractography, which will predict the outcome of AOS.
我们遇到了两例因左侧内边界区梗死而导致语言障碍（AOS）的急性脑卒中病例。这两个病例都没有左额叶前回下部病变。研究结果证实，AOS 的改善与中风时左额叶斜束（FAT）受损之间存在关系。FAT 的完整性有可能成为 AOS 的预后成像生物标志物。利用弥散张量束成像技术观察白质的纤维连接非常重要，它将预测AOS的预后。
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