J Takanashi

Summary

Affiliation: Kameda Medical Center
Country: Japan

Publications

  1. doi Kawasaki disease complicated by mild encephalopathy with a reversible splenial lesion (MERS)
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    J Neurol Sci 315:167-9. 2012
  2. ncbi Increased N-acetylaspartate in model mouse of Pelizaeus-Merzbacher disease
    Jun ichi Takanashi
    Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan
    J Magn Reson Imaging 35:418-25. 2012
  3. doi Encephalopathy with a reversible splenial lesion is associated with hyponatremia
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba 296 8602, Japan
    Brain Dev 31:217-20. 2009
  4. ncbi Cortical liquefaction in severe human herpesvirus 6 encephalopathy
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba 296 8602, Japan
    Neurology 66:452-3. 2006
  5. ncbi Reversible restricted diffusion of entire corpus callosum
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa shi, Chiba 296 8602, Japan
    J Neurol Sci 247:101-4. 2006
  6. ncbi Diffusion MRI abnormalities after prolonged febrile seizures with encephalopathy
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    Neurology 66:1304-9; discussion 1291. 2006
  7. ncbi Mild influenza encephalopathy with biphasic seizures and late reduced diffusion
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa shi, Chiba, Japan
    J Neurol Sci 256:86-9. 2007
  8. ncbi The evolving MR imaging appearance of lissencephaly: a case report
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba 296 8602, Japan
    Brain Dev 29:522-4. 2007
  9. ncbi [Neuroradiological findings in acute encephalopathy with biphasic seizures and late reduced diffusion (AESD)]
    J Takanashi
    No To Hattatsu 40:128-32. 2008
  10. doi Excitotoxicity in acute encephalopathy with biphasic seizures and late reduced diffusion
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    AJNR Am J Neuroradiol 30:132-5. 2009

Detail Information

Publications43

  1. doi Kawasaki disease complicated by mild encephalopathy with a reversible splenial lesion (MERS)
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    J Neurol Sci 315:167-9. 2012
    ..It is important for pediatricians to acknowledge that MERS can be observed in patients with Kawasaki disease, especially in older children, and that they might be at high risk for cardiac abnormalities...
  2. ncbi Increased N-acetylaspartate in model mouse of Pelizaeus-Merzbacher disease
    Jun ichi Takanashi
    Molecular Imaging Center, National Institute of Radiological Sciences, Chiba, Japan
    J Magn Reson Imaging 35:418-25. 2012
    ..To evaluate the N-acetylaspartate (NAA) and N-acetylaspartylglutamate (NAAG) biochemical pathways in the brain of myelin synthesis-deficient (msd) mouse, a model of Pelizaeus-Merzbacher disease (PMD)...
  3. doi Encephalopathy with a reversible splenial lesion is associated with hyponatremia
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba 296 8602, Japan
    Brain Dev 31:217-20. 2009
    ..It is not possible, from the clinical perspective, to completely separate MERS from hyponatremic encephalopathy or to rule out hyponatremia as a contributing factor of MERS...
  4. ncbi Cortical liquefaction in severe human herpesvirus 6 encephalopathy
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba 296 8602, Japan
    Neurology 66:452-3. 2006
  5. ncbi Reversible restricted diffusion of entire corpus callosum
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa shi, Chiba 296 8602, Japan
    J Neurol Sci 247:101-4. 2006
    ..This suggests that such reversible lesions are not necessarily restricted to the splenium, but may involve the entire corpus callosum...
  6. ncbi Diffusion MRI abnormalities after prolonged febrile seizures with encephalopathy
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    Neurology 66:1304-9; discussion 1291. 2006
    ..Patients with encephalopathy heralded by a prolonged seizure as the initial symptom often have abnormal subcortical white matter on diffusion-weighted MRI (DWI)...
  7. ncbi Mild influenza encephalopathy with biphasic seizures and late reduced diffusion
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa shi, Chiba, Japan
    J Neurol Sci 256:86-9. 2007
    ..It is important for clinicians in Asian countries to recognize and to inform parents that secondary progression may occur even after a brief febrile seizure with influenza...
  8. ncbi The evolving MR imaging appearance of lissencephaly: a case report
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba 296 8602, Japan
    Brain Dev 29:522-4. 2007
    ..The change of the MR imaging findings may have resulted from myelination in the intracortical and subcortical fibers. It is important for clinicians to be aware of the longitudinal changes of the cerebral cortex in lissencephaly...
  9. ncbi [Neuroradiological findings in acute encephalopathy with biphasic seizures and late reduced diffusion (AESD)]
    J Takanashi
    No To Hattatsu 40:128-32. 2008
  10. doi Excitotoxicity in acute encephalopathy with biphasic seizures and late reduced diffusion
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    AJNR Am J Neuroradiol 30:132-5. 2009
    ..These findings support the hypothesis that excitotoxic neuronal damage plays an important role in the pathogenesis of AESD and suggest that MR spectroscopy might be predictive of outcome...
  11. doi Delirious behavior in influenza is associated with a reversible splenial lesion
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, 929 Higashi Cho, Kamogawa shi, Chiba, Japan
    Brain Dev 31:423-6. 2009
    ..A reversible splenial lesion with reduced diffusion should be considered as an underlying condition in patients with delirious behavior associated with influenza...
  12. doi Two newly proposed infectious encephalitis/encephalopathy syndromes
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba 296 8602, Japan
    Brain Dev 31:521-8. 2009
    ..The reason for the transiently reduced diffusion within the lesions is unknown; possibilities that have been postulated include intramyelinic edema, interstitial edema in tightly packed fibers, and a transient inflammatory infiltrate...
  13. doi Differences in the time course of splenial and white matter lesions in clinically mild encephalitis/encephalopathy with a reversible splenial lesion (MERS)
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    J Neurol Sci 292:24-7. 2010
    ..The possible prior white matter lesions in patients with MERS type 1 may explain the neurological symptoms or EEG abnormalities...
  14. doi Clinical and radiological features of rotavirus cerebellitis
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa, Chiba, Japan
    AJNR Am J Neuroradiol 31:1591-5. 2010
    ..However, cerebellitis has not attracted much attention. The purpose of this study was to identify and report the clinical and radiologic features of rotavirus cerebellitis...
  15. pmc Neuroradiologic features of CASK mutations
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, 929 Higashi Cho, Kamogawa shi, Chiba, Japan
    AJNR Am J Neuroradiol 31:1619-22. 2010
    ..The normal size of the corpus callosum, which gives an impression of callosal thickening at first glance, may be an imaging clue to detect patients with CASK mutations...
  16. doi Moyamoya disease in children
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa shi, Chiba, Japan
    Brain Dev 33:229-34. 2011
    ..Other MRI findings have been reported, including T2 shortening in the white matter, the ivy sign on fluid-attenuated inversion recovery (FLAIR) images, and medullary streaks on FLAIR or enhanced T1-weighted images...
  17. doi Metabolic changes in early childhood using LCModel with corrected water scaling method
    Jun ichi Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Chiba, Japan
    J Magn Reson Imaging 35:174-80. 2012
    ....
  18. ncbi Widening spectrum of a reversible splenial lesion with transiently reduced diffusion
    J Takanashi
    Department of Pediatrics, Kameda Medical Center, Kamogawa, Japan
    AJNR Am J Neuroradiol 27:836-8. 2006
    ..These and previous observations suggest a less severe course and outcome for patients with reversible lesions isolated to the splenium or to the splenium and peripheral frontoparietal white matter...
  19. ncbi Clinically mild encephalitis/encephalopathy with a reversible splenial lesion
    H Tada
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Japan
    Neurology 63:1854-8. 2004
    ..To clarify whether patients with clinical diagnoses of encephalitis/encephalopathy with a reversible lesion in the splenium of the corpus callosum (SCC) share common clinical features...
  20. ncbi Distinctly abnormal brain metabolism in late-onset ornithine transcarbamylase deficiency
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    Neurology 59:210-4. 2002
    ..To assess alterations in brain metabolites in patients with late-onset ornithine transcarbamylase deficiency (OTCD)...
  21. ncbi [Four cases of reversible posterior leukoencephalopathy syndrome]
    M Tomita
    Department of Pediatrics, Faculty of Medicine, Chiba University, Chiba
    No To Hattatsu 33:426-9. 2001
    ..Subsequent clinical management should focus on the treatment of the hypertension and/or its underlying causes...
  22. ncbi Empty sella in children as a key for diagnosis
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, 1 8 1 Inohana, Chuo Ku, Chiba shi, 260 8677, Chiba, Japan
    Brain Dev 23:422-3. 2001
    ..Magnetic resonance imaging of the pituitary gland in children could provide important clues for the diagnosis of idiopathic intracranial hypertension or nevoid basal cell carcinoma syndrome...
  23. ncbi Empty sella syndrome in nevoid basal cell carcinoma syndrome
    J Takanashi
    Department of Pediatrics, Chiba University, Japan
    Brain Dev 22:272-4. 2000
    ..Calcification of the diaphragma sellae, which is a protective barrier against the pulsating action of the cerebrospinal fluid, may cause the empty sella in NBCCS...
  24. ncbi MR imaging of idiopathic intracranial hypertension
    H Suzuki
    Department of Pediatrics, Faculty of Medicine, Chiba University, and Kimitsu Central Hospital, Japan
    AJNR Am J Neuroradiol 22:196-9. 2001
    ....
  25. ncbi Q fever encephalitis with cytokine profiles in serum and cerebrospinal fluid
    H Kubota
    Department of Pediatrics, Faculty of Medicine, Chiba University, Japan
    Pediatr Infect Dis J 20:318-9. 2001
    ..A 7-year-old boy with acute encephalitis was proved to have Coxiella burnetii infection. Cerebrospinal fluid but not serum had elevated values of interleukins 1-beta and 6, but not of tumor necrosis factor...
  26. ncbi Contralateral rhinorrhea as a feature of infantile Horner's syndrome
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    Neurology 61:1309-10. 2003
  27. ncbi Medullary streaks: dilated medullary vessels in chronic ischemia in children
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    Neurology 61:583-4. 2003
  28. ncbi Vacuolating leukoencephalopathy with subcortical cysts with late onset athetotic movements
    J Takanashi
    Department of Pediatrics, Faculty of Medicine, Chiba University, Chiba shi, Japan
    J Neurol Sci 165:90-3. 1999
    ..This is most likely to be a severe form of vacuolating leukoencephalopathy with subcortical cysts, presenting with athetotic movements in the late stage...
  29. ncbi Temporal parenteral nutrition in children causing t1 shortening in the anterior pituitary gland and globus pallidus
    H Suzuki
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    Neuropediatrics 34:200-4. 2003
    ....
  30. ncbi [Clinical and MRI findings in childhood idiopathic intracranial hypertension]
    H Suzuki
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba
    No To Hattatsu 33:319-22. 2001
    ..MRI focusing on the optic nerves and pituitary gland may provide important clues for the diagnosis of IIH, especially those without papilloedema...
  31. ncbi [Duration of ACTH therapy for West syndrome]
    K Kobayashi
    Department of Pediatrics, Chiba Municipal Kaihin Hospital, Chiba
    No To Hattatsu 33:494-7. 2001
    ..These results suggest that the tapering period is unnecessary after the cessation of spasms...
  32. ncbi Brain N-acetylaspartate is elevated in Pelizaeus-Merzbacher disease with PLP1 duplication
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Japan
    Neurology 58:237-41. 2002
    ..To assess alterations in brain metabolites of patients with Pelizaeus-Merzbacher disease (PMD) with the proteolipid protein gene 1 (PLP1) duplications using quantitative proton MRS...
  33. ncbi [A familial case of Gorlin syndrome]
    K Fujii
    Department of Pediatrics, Faculty of Medicine, University of Chiba, Japan
    No To Hattatsu 28:257-60. 1996
    ..It is important to make an early diagnosis and a proper management in Gorlin syndrome, which has cancer predisposition...
  34. ncbi Central tegmental tract involvement in an infant with 6-pyruvoyltetrahydropterin synthetase deficiency
    J Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    AJNR Am J Neuroradiol 27:584-5. 2006
    ..MR imaging revealed symmetrical lesions in the central tegmental tract with reduced diffusion, which resolved after treatment. A possible explanation for these lesions is intramyelinic edema resulting from brain insults in utero...
  35. ncbi Significance of clinical risk factors of cystic periventricular leukomalacia in infants with different birthweights
    H Kubota
    Department of Paediatrics, Faculty of Medicine, Chiba University, Chiba, Japan
    Acta Paediatr 90:302-8. 2001
    ....
  36. ncbi Neonate showing reversible splenial lesion
    Jun ichi Takanashi
    Arch Neurol 62:1481-2; author reply 1482. 2005
  37. ncbi Influenza-associated encephalitis/encephalopathy with a reversible lesion in the splenium of the corpus callosum: a case report and literature review
    Jun ichi Takanashi
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    AJNR Am J Neuroradiol 25:798-802. 2004
    ..We postulate two possible mechanisms for decreased ADC; namely, intramyelinic edema and an inflammatory infiltrate...
  38. ncbi The changing MR imaging appearance of polymicrogyria: a consequence of myelination
    Jun ichi Takanashi
    Neuroradiology Section, Department of Radiology, University of California San Francisco, USA
    AJNR Am J Neuroradiol 24:788-93. 2003
    ..In particular, the cortex appeared very thin in some patients, but was thick in others. The purpose of the present study was to attempt to clarify the cause of the different imaging appearances...
  39. ncbi Retrocerebellar arachnoid cysts in siblings with mental retardation and undescended testis
    Hiroko Suzuki
    Department of Pediatrics, Graduate School of Medicine, Chiba University, Chiba, Japan
    Brain Dev 24:310-3. 2002
    ..We report retrocerebellar arachnoid cysts in two male siblings with mental retardation and undescended testis, suggesting the possibility of a genetic basis for at least some cases of retrocerebellar arachnoid cysts...
  40. ncbi Brain MR imaging in acute hyperammonemic encephalopathy arising from late-onset ornithine transcarbamylase deficiency
    Jun ichi Takanashi
    Neuroradiology Section, Department of Radiology, University of California San Francisco, USA
    AJNR Am J Neuroradiol 24:390-3. 2003
    ..These findings presumably reflect the distribution of brain injury from hypoperfusion secondary to hyperammonemia. Knowledge of the MR findings may help expedite diagnosis and treatment and prevent chronic impairment...
  41. ncbi 14-3-3 protein detection in the cerebrospinal fluid of patients with influenza-associated encephalopathy
    Katsunori Fujii
    Department of Pediatrics, Graduate School of Medicine, Chiba University, and the Division of Neurology, Chiba Children s Hospital, Japan
    J Child Neurol 21:562-5. 2006
    ..We conclude that 14-3-3 proteins in cerebrospinal fluid are highly detectable in influenza-associated encephalopathy and thus can be used as a rapid diagnostic marker...
  42. ncbi Middle interhemispheric variant of holoprosencephaly associated with diffuse polymicrogyria
    Jun ichi Takanashi
    Neuroradiology Section, Department of Radiology, University of California San Francisco, USA
    AJNR Am J Neuroradiol 24:394-7. 2003
    ..We hypothesize that an unknown genetic factor causes disturbances of cleavage of the prosencephalon as well as neuronal migration and organization...
  43. ncbi Brain MR imaging in neonatal hyperammonemic encephalopathy resulting from proximal urea cycle disorders
    Jun ichi Takanashi
    Neuroradiology Section, Department of Radiology, University of California San Francisco, San Francisco, CA, USA
    AJNR Am J Neuroradiol 24:1184-7. 2003
    ..We hypothesize that these lesions presumably reflect the distribution of brain injury due to hypoperfusion secondary to hyperammonemia and hyperglutaminemia in the neonatal period...