Painful Focal Sensory Seizure Arising from the Primary Somatosensory Cortex

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  • YAZAWA Shogo
    The Department of Brain Pathophysiology, Human Brain Research Center The Department of Neurology, Miyazaki Prefectural Hospital of Nobeoka
  • IKEDA Akio
    The Department of Brain Pathophysiology, Human Brain Research Center The Department of Neurology, Kyoto University School of Medicine
  • SAWAMOTO Nobukatsu
    The Department of Brain Pathophysiology, Human Brain Research Center
  • TERADA Kiyohito
    The Department of Brain Pathophysiology, Human Brain Research Center
  • FUKUYAMA Hidenao
    The Department of Brain Pathophysiology, Human Brain Research Center
  • TANAKA Mayako
    The Department of Neurology, First Red Cross Hospital of Kyoto
  • SHIBASAKI Hiroshi
    The Department of Brain Pathophysiology, Human Brain Research Center The Department of Neurology, Kyoto University School of Medicine

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Description

A 31-year-old, right-handed woman had frequent focal painful seizures involving the right hand without any movement. EEG demonstrated an ictal activity arising from the left centroparietal region. No cerebral structural abnormality was seen on MRI. Ictal single photon emission CT showed markedly increased activity in the left perirolandic cortex, which remained active following the ictal symptoms when the EEG seizure pattern had completely disappeared. It is concluded that the painful seizures in the present patient originated from the primary somatosensory cortex. The prolonged increase of regional blood flow in the perirolandic area may reflect the possibility of persistent subclinical epileptogenicity.<br>(Internal Medicine 42: 875-879, 2003)

Journal

  • Internal Medicine

    Internal Medicine 42 (9), 875-879, 2003

    The Japanese Society of Internal Medicine

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