Neurosonology:神経超音波医学
Print ISSN : 0917-074X
ISSN-L : 0917-074X
症例報告
Mモードを用いた経口腔超音波検査による舌不随意運動の評価
萩原 悠太柳澤 俊之清水 高弘田中 啓太曽我 海馬土橋 瑶子鷹尾 直誠眞木 二葉白石 眞長谷川 泰弘
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2018 年 31 巻 3 号 p. 134-137

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A 77-year-old man with chronic kidney disease was presented to our hospital because he developed involuntary movement of bilateral upper limbs and dysarthria during dialysis. On admission, he showed myoclonus on bilateral upper limbs and dysarthria caused by involuntary movement of the tongue. We diagnosed metabolic involuntary movements due to renal failure. Myoclonus on bilateral upper limbs disappeared on the next day, however, involuntary movement of the tongue remained. Transoral motion-mode ultrasonography (TOMU) revealed that the tongue moved with a frequency of 4–5Hz intermittently, and we made diagnosis of lingual myoclonus. TOMU can measure the frequency of involuntary movements of tongue. TOMU is useful for the diagnosis of oral involuntary movement.

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© 2018 日本脳神経超音波学会
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