Research Topics
| Takaaki BeppuSummaryAffiliation: Iwate Medical University Country: Japan Publications
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Detail Information
Publications
Fractional anisotropy in the centrum semiovale as a quantitative indicator of cerebral white matter damage in the subacute phase in patients with carbon monoxide poisoning: correlation with the concentration of myelin basic protein in cerebrospinal fluidTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Uchimaru 19 1, Morioka 020 8505, Japan
J Neurol 259:1698-705. 2012..The present results suggest that FA in the centrum semiovale offers a quantitative indicator of the extent of demyelination in damaged CWM during the subacute phase in CO-poisoned patients...
Desmoplastic infantile astrocytoma and characteristics of the accompanying cyst. Case reportTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurosurg Pediatr 1:148-51. 2008....
Fractional anisotropy value by diffusion tensor magnetic resonance imaging as a predictor of cell density and proliferation activity of glioblastomasTakaaki Beppu
Department of Neurosurgery, Iwate Medicl university, Morioka 020 8505, Japan
Surg Neurol 63:56-61; discussion 61. 2005....- Choice of posterior subtemporal transtentorial approach for tumor resection in deep anteromedial superior cerebellumTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Iwate, Japan
Neurol Med Chir (Tokyo) 49:42-6. 2009..Scrupulous evaluation using preoperative neuroimaging is crucial when deciding on the surgical approach... - Utility of three-dimensional anisotropy contrast magnetic resonance axonography for determining condition of the pyramidal tract in glioblastoma patients with hemiparesisTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, 19 1, Uchimaru, 020 8505 Morioka, Japan
J Neurooncol 73:137-44. 2005..To estimate extent of pyramidal tract destruction, fractional anisotropy (FA) values using diffusion tensor magnetic resonance imaging were examined for both the responsible and non-pathological pyramidal tracts... - Assessment of damage to cerebral white matter fiber in the subacute phase after carbon monoxide poisoning using fractional anisotropy in diffusion tensor imagingTakaaki Beppu
Departments of Neurosurgery, Iwate Medical University, Uchimaru 19 1, Morioka, 020 8505, Japan
Neuroradiology 52:735-43. 2010..We examined whether diffusion tensor imaging can sensitively represent damage to fibers of the centrum semiovale in the subacute phase after CO intoxication... - Prediction of malignancy grading using computed tomography perfusion imaging in nonenhancing supratentorial gliomasTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Uchimaru 19 1, Morioka 020 8505, Japan
J Neurooncol 103:619-27. 2011..CTP offers a useful method for differentiating between G3 and G2 in nonenhancing gliomas... - Measurement of fractional anisotropy using diffusion tensor MRI in supratentorial astrocytic tumorsTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurooncol 63:109-16. 2003..Measurement of FA value using DTI will allow prediction of histological characteristics such as cellularity, vascularity and/or fiber structure in astrocytic tumors... - A phase II study of radiotherapy after hyperbaric oxygenation combined with interferon-beta and nimustine hydrochloride to treat supratentorial malignant gliomasTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurooncol 61:161-70. 2003.... - 1H-magnetic resonance spectroscopy indicates damage to cerebral white matter in the subacute phase after CO poisoningTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Uchimaru 19 1, Morioka 020 8505, Japan
J Neurol Neurosurg Psychiatry 82:869-75. 2011..The authors examined whether (1)H-magnetic resonance spectroscopy (MRS) can identify damage to the centrum semiovale in the subacute phase after CO exposure... - Change of oxygen pressure in glioblastoma tissue under various conditionsTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurooncol 58:47-52. 2002..It is possible that the pO2 level in peritumoral tissue is affected by intracranial pressure, whereas that in the intratumoral tissue is usually low. HBO was the optimal procedure for oxygenation, but its benefit was reduced over time... - Primary granulomatous angiitis of the central nervous system: findings of magnetic resonance spectroscopy and fractional anisotropy in diffusion tensor imaging prior to surgery. Case reportTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurosurg 107:873-7. 2007..Although the low FA value in the present case enabled the authors to rule out a diagnosis of glioblastoma, FA values in inflammatory lesions require careful interpretation... - Proton magnetic resonance spectroscopy and diffusion-weighted imaging of tumefactive demyelinating plaqueKazuki Masu
Department of Neurosurgery, Iwate Medical University, Morioka, Iwate
Neurol Med Chir (Tokyo) 49:430-3. 2009.... - Preoperative imaging of superficially located glioma resection using short inversion-time inversion recovery images in high-field magnetic resonance imagingTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, 19 1 Uchimau, Morioka 020 8505, Japan
Clin Neurol Neurosurg 109:327-34. 2007..The aim of the present study is to evaluate the effectiveness of STIR in imaging tumor involvement of the cortical surface and intra-axial structures, its usefulness in the resection of superficially located gliomas... - Three-dimensional anisotropy contrast imaging of pontine gliomas: 2 case reportsHiroshi Kashimura
Department of Neurosurgery, Iwate Medical University School of Medicine, Morioka, Iwate 020 8505, Japan
Surg Neurol 67:156-9; discussion 159. 2007..We describe 2 cases of pontine gliomas who did not present with motor and sensory disturbance... - Detecting damaged regions of cerebral white matter in the subacute phase after carbon monoxide poisoning using voxel-based analysis with diffusion tensor imagingShunrou Fujiwara
Department of Neurosurgery, Iwate Medical University, 19 1 Uchimaru, Morioka 020 8505, Japan
Neuroradiology 54:681-9. 2012.... - Diffusion tensor imaging for preoperative evaluation of tumor grade in gliomasTakashi Inoue
Department of Neurosurgery, Iwate Medical University School of Medicine, 19 1 Uchimaru, Morioka, Iwate 020 8505, Japan
Clin Neurol Neurosurg 107:174-80. 2005..0002). The MD values were not correlated with the other grades of glioma. FA values can distinguish between high grade and low grade gliomas. This is useful in deciding the surgical strategy or selecting the site of stereotactic biopsy... - Ganglioneurocytoma: distinctive variant of central neurocytomaAkira Kurose
Department of Pathology, Iwate Medical University School of Medicine, Morioka, Japan
Pathol Int 57:799-803. 2007.... - Use of fractional anisotropy value by diffusion tensor MRI for preoperative diagnosis of astrocytic tumors: case reportToshinari Misaki
Department of Neurosurgery, Iwate Medical University, Morioka, Japan
J Neurooncol 70:343-8. 2004..In this report, we discuss the relationship between FA and other characteristics of the present tumor, and discuss the utility of FA measurement in astrocytic tumors... - Fusion of magnetic resonance angiography and magnetic resonance imaging for surgical planning for meningioma--technical noteHiroshi Kashimura
Department of Neurosurgery, Iwate Medical University School of Medicine, Morioka, Iwate, Japan
Neurol Med Chir (Tokyo) 48:418-21; discussion 422. 2008..Fusion of MR angiography and MR imaging can clarify relationships between the intracranial vasculature and meningioma, and may be helpful for surgical planning for meningioma... - Diffusion tensor imaging for differentiation of recurrent brain tumor and radiation necrosis after radiotherapy--three case reportsHiroshi Kashimura
Department of Neurosurgery, Iwate Medical University School of Medicine, 19 1 Uchimaru, Morioka, Iwate, Japan
Clin Neurol Neurosurg 109:106-10. 2007..The assessment of FA value in enhanced lesions after radiotherapy may be able to differentiate radiation necrosis from tumor recurrence... - Lipomatous meningioma with concomitant acute subdural hematoma--case report--Hiroshi Kashimura
Department of Neurosurgery, Iwate Medical University School of Medicine, Morioka, Iwate, Japan
Neurol Med Chir (Tokyo) 48:466-9. 2008..Longstanding intratumoral congestion probably caused hyaline deposition in the tissue, leading to vessel rupture... - [Utility of hyperbaric oxygenation in radiotherapy for malignant brain tumors--a literature review]Takaaki Beppu
Department of Neurosurgery, Iwate Medical University, 19 1 Uchimaru, Morioka, Iwate 020 8505, Japan
Brain Nerve 61:677-81. 2009..We reviewed the literature to evaluate the manner in which HBO therapy contributes to clinical fields in cases of RT administration for malignant brain tumors... - Three-dimensional anisotropy contrast imaging of gliomatosis cerebri: two case reportsTakashi Inoue
Department of Neurosurgery, Iwate Medical University School of Medicine, 19-1 Uchimaru, Morioka, Iwate 020-8505, Japan
Surg Neurol 62:151-4; discussion 154-5. 2004..CONCLUSION: 3-D AC imaging provides more accurate information about damage to the neuronal fibers in cases of gliomatosis cerebri than other MRI techniques... - Detection of gene amplification and deletion in high-grade gliomas using a genome DNA microarray (GenoSensor Array 300)Teruo Sasaki
Department of Neurosurgery, Iwate Medical University, 19 1 Uchimaru, Morioka, Iwate 020 8505, Japan
Brain Tumor Pathol 20:59-63. 2003..We conclude that the GenoSensor Array 300 genomic DNA microarray is a useful method for the comprehensive identification of amplified and deleted genes in glioblastoma... - Neoplastic cells and proliferating endothelial cells express connective tissue growth factor (CTGF) in glioblastomaLi-Hua Pan
First Department of Pathology, Iwate Medical University School of Medicine, Morioka, Japan
Neurol Res 24:677-83. 2002..These findings suggest that CTGF may have the potential to stimulate angiogenesis in glioblastoma and function as an angiogenic factor in the process of tumor growth... - Alleviation of intracranial air using carbon dioxide gas during intraventricular tumor resectionTakaaki Beppu
Department of Neurosurgery, Iwate Medical University, Morioka 020 8505, Japan
Clin Neurol Neurosurg 108:655-60. 2006..The aim of the present study was to elucidate whether intracranial air after intraventricular surgery could be alleviated safely using CO2, and investigate its clinical usefulness... - [A case of multiple cerebral infarction accompanied by a cor triatriatum]Hideaki Nishimoto
Department of Neurosurgery, Iwate Medical University, Uchimaru 19-1, Morioka, Iwate 020-8505, Japan
No Shinkei Geka 32:257-60. 2004..We suspect that her multiple infarctions were caused by embolism due to a cor triatriatum. Here, we discuss the relationship between her embolic stroke and the cor triatriatum, with references to literature on the subject... - Association of stem cell marker CD133 expression with dissemination of glioblastomasAtsushi Sato
Department of Neurosurgery, Yamagata University School of Medicine, 2 2 2 Iida nishi, Yamagata 990 9585, Japan
Neurosurg Rev 33:175-83; discussion 183-4. 2010..58). The results suggest that CD133 could be a molecular predictor of glioblastoma dissemination, and also give rise to an intriguing idea that CD133-positive cancer stem cells may be implicated in the initiation of disseminated lesions... - [Granulomatous change of the pituitary stalk caused by Rathke's cleft cyst: a case report]Nobukazu Komoribayashi
Department of Neurosurgery, Iwate Medical University School of Medicine, 19-1 Uchimaru, Morioka, Iwate 020-8505, Japan
No Shinkei Geka 31:1193-6. 2003..In the literature, diabetes inspidus was not improved by surgical procedures. However, we suggest that the mass should be totally resected, because some cases in literature showed visual disturbance or hypo-pituitarism under observation... - [A case of malignant peripheral nerve sheath tumor originating from the cervical vagus nerve]Yasutaka Kuzu
Department of Neurosurgery, Iwate Medical University, 19-1 Uchimaru, Morioka 020-8505, Japan
No Shinkei Geka 30:523-6. 2002.... - Spontaneous Recovery of Reduced Cortical Central Benzodiazepine Receptor Binding Potential on I-123 Iomazenil SPECT in a Patient With Status EpilepticusHiroki Kuroda
From the Department of Neurosurgery and Cyclotron Research Center, Iwate Medical University, Morioka, Japan
Clin Nucl Med 35:126-7. 2010..However, 3 months later, repeat studies showed resolution of the reduction in cortical benzodiazepine receptor binding potential, resolution of hyperperfusion, and resolution of crossed cerebellar hypoperfusion...