Masaki Iwasaki

Summary

Publications

  1. pmc Optogenetically induced seizure and the longitudinal hippocampal network dynamics
    Shin Ichiro Osawa
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    PLoS ONE 8:e60928. 2013
  2. doi request reprint Parental satisfaction and seizure outcome after corpus callosotomy in patients with infantile or early childhood onset epilepsy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    Seizure 22:303-5. 2013
  3. doi request reprint Complete remission of seizures after corpus callosotomy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Takuto Rehabilitation Center for Children, Sendai, Japan
    J Neurosurg Pediatr 10:7-13. 2012
  4. doi request reprint Lateralization of interictal spikes after corpus callosotomy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 122:2121-7. 2011
  5. doi request reprint Time-varying inter-hemispheric coherence during corpus callosotomy
    Eiichi Okumura
    Department of Epileptology, Tohoku University School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 124:2091-100. 2013
  6. ncbi request reprint RBPJ is disrupted in a case of proximal 4p deletion syndrome with epilepsy
    Tojo Nakayama
    Department of Pediatrics, Tohoku University School of Medicine, Aoba ku, Sendai, Japan Electronic address
    Brain Dev 36:532-6. 2014
  7. doi request reprint Unique discrepancy between cerebral blood flow and glucose metabolism in hemimegalencephaly
    Mitsugu Uematsu
    Department of Pediatrics, Tohoku University School of Medicine, Aoba ku, Sendai 980 8574, Japan
    Epilepsy Res 92:201-8. 2010
  8. ncbi request reprint [Magnetoencephalographic localization of multiple seizure foci for surgical treatment of intractable frontal lobe epilepsy: confirmation with intra-operative electrocorticography]
    Hiroshi Shamoto
    Department of Neurosurgery, Kohnan Hospital, 4 20 1 Nagamachi minami, Taihaku ku, Sendai, Miyagi 982 8523, Japan
    No Shinkei Geka 30:417-23. 2002
  9. doi request reprint Somatotopic distribution of peri-rolandic spikes may predict prognosis in pediatric-onset epilepsy with sensorimotor seizures
    Yosuke Kakisaka
    Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 122:869-73. 2011
  10. doi request reprint The usefulness of subtraction ictal SPECT and ictal near-infrared spectroscopic topography in patients with West syndrome
    Kazuhiro Haginoya
    Department of Pediatrics, Tohoku University School of Medicine, Sendai 980 8574, Japan Department of Pediatric Neurology, Takuto Rehabilitation Center for Children, Sendai 982 0241, Japan Electronic address
    Brain Dev 35:887-93. 2013

Collaborators

Detail Information

Publications18

  1. pmc Optogenetically induced seizure and the longitudinal hippocampal network dynamics
    Shin Ichiro Osawa
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    PLoS ONE 8:e60928. 2013
    ..Bidirectional networks work hierarchically along the ST hippocampus in the genesis and termination of epileptic seizures...
  2. doi request reprint Parental satisfaction and seizure outcome after corpus callosotomy in patients with infantile or early childhood onset epilepsy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    Seizure 22:303-5. 2013
    ..To elucidate the benefit of corpus callosotmy in terms of parental satisfaction and seizure outcome...
  3. doi request reprint Complete remission of seizures after corpus callosotomy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Takuto Rehabilitation Center for Children, Sendai, Japan
    J Neurosurg Pediatr 10:7-13. 2012
    ..The object of this study was to investigate clinical factors associated with long-term seizure remission after total corpus callosotomy in patients with infantile or early childhood onset epilepsy...
  4. doi request reprint Lateralization of interictal spikes after corpus callosotomy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 122:2121-7. 2011
    ..Corpus callosotomy may limit secondary bilateral synchrony into the primary epileptogenic hemisphere. This study investigated whether pre-operative EEG can predict post-operative spike lateralization...
  5. doi request reprint Time-varying inter-hemispheric coherence during corpus callosotomy
    Eiichi Okumura
    Department of Epileptology, Tohoku University School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 124:2091-100. 2013
    ..The present study investigated how and when bilateral synchrony is suppressed in the anterior and then posterior steps of corpus callosotomy...
  6. ncbi request reprint RBPJ is disrupted in a case of proximal 4p deletion syndrome with epilepsy
    Tojo Nakayama
    Department of Pediatrics, Tohoku University School of Medicine, Aoba ku, Sendai, Japan Electronic address
    Brain Dev 36:532-6. 2014
    ..Our findings, combined with those of previous studies, strongly suggest that RBPJ is causative for proximal 4p deletion syndrome and epilepsy in this case...
  7. doi request reprint Unique discrepancy between cerebral blood flow and glucose metabolism in hemimegalencephaly
    Mitsugu Uematsu
    Department of Pediatrics, Tohoku University School of Medicine, Aoba ku, Sendai 980 8574, Japan
    Epilepsy Res 92:201-8. 2010
    ....
  8. ncbi request reprint [Magnetoencephalographic localization of multiple seizure foci for surgical treatment of intractable frontal lobe epilepsy: confirmation with intra-operative electrocorticography]
    Hiroshi Shamoto
    Department of Neurosurgery, Kohnan Hospital, 4 20 1 Nagamachi minami, Taihaku ku, Sendai, Miyagi 982 8523, Japan
    No Shinkei Geka 30:417-23. 2002
    ..MEG can be a useful noninvasive method for presurgical evaluation of intractable FLE...
  9. doi request reprint Somatotopic distribution of peri-rolandic spikes may predict prognosis in pediatric-onset epilepsy with sensorimotor seizures
    Yosuke Kakisaka
    Department of Pediatrics, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
    Clin Neurophysiol 122:869-73. 2011
    ..The present study evaluated whether spike source localization is predictive of different prognosis of epilepsy and/or cognitive function...
  10. doi request reprint The usefulness of subtraction ictal SPECT and ictal near-infrared spectroscopic topography in patients with West syndrome
    Kazuhiro Haginoya
    Department of Pediatrics, Tohoku University School of Medicine, Sendai 980 8574, Japan Department of Pediatric Neurology, Takuto Rehabilitation Center for Children, Sendai 982 0241, Japan Electronic address
    Brain Dev 35:887-93. 2013
    ..The ictal near-infrared spectroscopic topography should be more investigated to see if this is useful tool for presurgical evaluation. ..
  11. ncbi request reprint [A primary epileptogenic tuber revealed after corpus callosotomy in a patient with tuberous sclerosis complex and multiple tubers]
    Keisuke Sato
    Department of Neurosurgery, Tohoku University Graduate School of Medicine
    No Shinkei Geka 41:421-8. 2013
    ..Repeat pre-surgical evaluation is important after corpus callosotomy in patients with generalized or multifocal epileptiforms in EEG...
  12. ncbi request reprint Focal magnetoencephalographic spikes in the superior temporal plane undetected by scalp EEG
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan
    J Clin Neurosci 10:236-8. 2003
    ..The tangential current orientation to the scalp may explain the different sensitivity of scalp EEG and MEG to rhythmic discharges. This study shows the unique sensitivity of MEG to epileptic activity in the superior temporal plane...
  13. ncbi request reprint Summary of 15 years experience of awake surgeries for neuroepithelial tumors in tohoku university
    Toshihiro Kumabe
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Kitasato, Minami Ku, Sagamihara, Japan
    Neurol Med Chir (Tokyo) 53:455-66. 2013
    ..Awake surgery may contribute to improve the outcome of gliomas near eloquent areas by maximizing the tumor resection and minimizing the surgical morbidity. ..
  14. ncbi request reprint [Surgical treatment of non-lesional supplementary motor area epilepsy: two case reports]
    Masaki Iwasaki
    Department of Neurosurgery, Kohnan Hospital, 4 20 1 Nagamachi minami, Taihaku ku, Sendai shi, Miyagi 982 8523, Japan
    No Shinkei Geka 37:293-8. 2009
    ..Recognition of the typical seizure semiology is very important in the correct diagnosis and surgical treatment of supplementary motor area epilepsy, especially in the absence of MR imaging lesions...
  15. ncbi request reprint Surgical implications of neuromagnetic spike localization in temporal lobe epilepsy
    Masaki Iwasaki
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, 1 1 Seiryo machi, Aoba ku, Sendai 980 8574, Japan
    Epilepsia 43:415-24. 2002
    ..To investigate the clinical usefulness of magnetoencephalography (MEG) as a guide to the surgical treatment of temporal lobe epilepsy (TLE)...
  16. pmc Magnetoencephalography in fronto-parietal opercular epilepsy
    Yosuke Kakisaka
    Epilepsy Center, Neurological Institute, Cleveland Clinic, Cleveland, OH 44195, USA
    Epilepsy Res 102:71-7. 2012
    ..To clarify the clinical and neurophysiological profiles of fronto-parietal opercular epilepsy in which epileptic spikes are detected with magnetoencephalography (MEG) but not with scalp electroencephalography (EEG)...
  17. ncbi request reprint Angiocentric glioma and surrounding cortical dysplasia manifesting as intractable frontal lobe epilepsy--case report
    Shihomi Takada
    Department of Neurosurgery, Kohnan Hospital, Sendai, Miyagi, Japan
    Neurol Med Chir (Tokyo) 51:522-6. 2011
    ..Careful pre-surgical evaluation for epilepsy is necessary to achieve better seizure outcome...
  18. ncbi request reprint Neurenteric cyst of the craniocervical junction in an infant
    Hiroyuki Sakata
    Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Miyagi, Japan
    Neurol Med Chir (Tokyo) 48:86-9. 2008
    ..Neurenteric cyst should be considered in the differential diagnosis of intradural extramedullary cystic lesion located ventrally to the cord at the craniocervical junction in infants. Early surgical removal is recommended...