Two cases of cerebral hemorrhage with ipsilateral hemichorea-hemiballism

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  • Oginezawa Shinya
    Department of Neurology, Brain Research Institute, Niigata University
  • Ando Shoichiro
    Department of Neurology, Brain Research Institute, Niigata University
  • Kinoshita Yukiko
    Department of Neurology, Brain Research Institute, Niigata University
  • Aburatani Shoko
    Department of Neurology, Brain Research Institute, Niigata University
  • Kishi Ryota
    Department of Neurology, Brain Research Institute, Niigata University
  • Otsu Yutaka
    Department of Neurology, Brain Research Institute, Niigata University
  • Ishiguro Takanobu
    Department of Neurology, Brain Research Institute, Niigata University
  • Saji Etsuji
    Department of Neurology, Brain Research Institute, Niigata University
  • Kanazawa Masato
    Department of Neurology, Brain Research Institute, Niigata University
  • Onodera Osamu
    Department of Neurology, Brain Research Institute, Niigata University

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Other Title
  • 病巣と同側性にhemichorea-hemiballismを来した脳出血の2例

Abstract

<p>We report two cases of cerebral hemorrhage with ipsilateral hemichorea-hemiballism (HCHB). Case 1 is a 50-year-old woman. She presented with dysarthria and left hemiplegia, and right capsular hemorrhage was observed on the head CT. On admission, HCHB was observed in the right upper and lower limbs. Case 2 is a 78-year-old woman. She presented with right hemiparesis and left hemiplegia, and head CT showed subcortical hemorrhage in the right frontal to parietal lobes. On admission, she had HCHB in the right upper and lower extremities similar to that in Case 1. In both cases, the HCHB disappeared about two weeks later. Ipsilateral HCHB is a very rare symptom. Noncrossing corticospinal tract effects have been postulated to be a possible mechanism.</p>

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