A case of pure motor isolated finger palsy due to cerebral infarction

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  • Kitamura Eiji
    Department of Neurology, Kitasato University School of Medicine
  • Hamada Junichi
    Department of Neurology, Kitasato University School of Medicine
  • Suzuki Kosuke
    Department of Neurology, Kitasato University School of Medicine
  • Akutsu Tsugio
    Department of Neurology, Kitasato University School of Medicine
  • Kan Shinichi
    Department of Radiology, Kitasato University School of Medicine
  • Mochizuki Hideki
    Department of Neurology, Kitasato University School of Medicine

Bibliographic Information

Other Title
  • Ｐｕｒｅ　ｍｏｔｏｒ　ｉｓｏｌａｔｅｄ　ｆｉｎｇｅｒ　ｐａｌｓｙを呈した脳梗塞の１例
  • 症例報告 Pure motor isolated finger palsyを呈した脳梗塞の1例
  • ショウレイ ホウコク Pure motor isolated finger palsy オ テイシタ ノウコウソク ノ 1レイ

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Description

A 73-year-old man, a right-handed, has been pointed out his atrial fibrillation and seen a doctor regularly for varicose veins of left leg and hypertension. He had complaint of a sudden paralysis of his left thumb and index finger while drinking beer. The next day, there was no improvement and he was admitted to our hospital. Neurological examination revealed mild weakness of the most muscles of both thumb and index finger which were innervated by radial nerve, ulner nerve, and median nerve. But he had no any other neurological deficits including sensory system. A brain MRI revealed the acute-stage cerebral infarction in the right precentral knob. With other examinations, we diagnosed the cerebral infarction as cardiogenic embolism. Pure motor isolated finger palsy (PMIFP) in association with cerebrocortical small lesion is rare. It is probable that some cases with diagnosed of peripheral neuropathy was actually PMIFP from central nervous system disturbance.<br>

Journal

  • Rinsho Shinkeigaku

    Rinsho Shinkeigaku 50 (8), 572-577, 2010

    Societas Neurologica Japonica

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