Research Topics
Species | Kazumichi YamadaSummaryAffiliation: Kumamoto University Country: Japan Publications
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Detail Information
Publications
Alleviation of camptocormia by bilateral subthalamic nucleus stimulation in a patient with Parkinson's diseaseKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University 1 1 1 Honjo, Kumamoto 860 8556, Japan
Parkinsonism Relat Disord 12:372-5. 2006..We report a PD patient in whom chronic bilateral subthalamic nucleus stimulation produced a striking alleviation of camptocormia...- Impact of bilateral pallidal stimulation on DYT1-generalized dystonia in Japanese patientsSatoshi Goto
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
Mov Disord 21:1785-7. 2006.... - Stereotactic surgery for subthalamic nucleus stimulation under general anesthesia: a retrospective evaluation of Japanese patients with Parkinson's diseaseKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto City 860 8556, Kumamoto, Japan
Parkinsonism Relat Disord 13:101-7. 2007..Our results suggest that GA compares favorably with LA in surgical procedure for bilateral STN stimulation... 
A positive correlation between fractional white matter volume and the response of Parkinson disease patients to subthalamic stimulationTadashi Hamasaki
Department of Neurosurgery, Kumamoto University Medical School, 1 1 1 Honjo, Kumamoto 860 8556, Japan
Acta Neurochir (Wien) 152:997-1006; discussion 1006. 2010..The purpose of this study was to identify new imaging characteristics sufficiently reliable to predict treatment results...- Subthalamic nucleus stimulation applied in the earlier vs. advanced stage of Parkinson's disease - retrospective evaluation of postoperative independence in pursuing daily activitiesKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto City, Kumamoto, Japan
Parkinsonism Relat Disord 15:746-51. 2009..5 +/- 5.3% in the on-, and 90.4 +/- 6.2% in the off-medication status) (p < 0.0001). Our findings suggest that the delivery of STN stimulation earlier in the course of PD may result in greater independence in postoperative ADL... - Complete suppression of paroxysmal nonkinesigenic dyskinesia by globus pallidus internus pallidal stimulationKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Japan
Mov Disord 21:576-9. 2006..Our finding strongly suggests that altered function of neuronal circuits of the basal ganglia underlies the manifestation of PxD... - Modulation of torsinA expression in the globus pallidus internus is associated with levodopa-induced dyskinesia in hemiparkinsonian ratsKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 8556, Japan
Neurosci Lett 396:62-6. 2006..Ours are the first data to demonstrate the specific modulation of torsinA expression in the basal ganglia of the hyperkinesia model, suggesting that GPi neurons containing torsinA possess pathologic plasticity for LID... - Concurrent hemichorea and migrainous aura--a perfusion study on the basal ganglia using xenon-computed tomographyKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
Mov Disord 23:425-9. 2008..Our study suggests that vascular event underlies the migrainous aura in this case and secondarily provokes a loss of inhibitory control of the motor thalamus resulting in the manifestation of hemichorea... - Hemidystonia secondary to thalamic hemorrhage treated with GPi stimulationTadashi Hamasaki
Department of Neurosurgery, Kumamoto University Medical School, Honjo, Kumamoto, Japan
Mov Disord 23:1762-6. 2008..2% and 34.3% in Cases 1 and 2, respectively. We suggest GPi stimulation as a possible alternative to treat secondary hemidystonia... - Cardiac ¹²³I-MIBG scintigraphy as an outcome-predicting tool for subthalamic nucleus stimulation in Parkinson's diseaseKazumichi Yamada
Department of Neurosurgery, Kumamoto University, Japan
Acta Neurochir (Wien) 152:2063-8. 2010..The objective of this study was to clarify the correlation between cardiac MIBG uptake parameters and the outcome in PD patients subjected to the subthalamic nucleus stimulation... - GPi pallidotomy for Parkinson's disease with drug-induced psychosisKazumichi Yamada
Department of Neurosurgery, School of Medicine, Kumamoto University, 1 1 1 Honjo, Kumamoto 860 8556, Japan
Parkinsonism Relat Disord 10:35-40. 2003..The present study suggested that DIP, even if its degree is not severe, may be a limiting factor of the therapeutic potential of pallidotomy in patients with PD... - Stereotactic biopsy for multifocal, diffuse, and deep-seated brain tumors using Leksell's systemKazumichi Yamada
Department of Neurosurgery, Kumamoto University School of Medicine, Kumamoto, Japan
J Clin Neurosci 11:263-7. 2004..While it carries a low morbidity rate without mortality in our series, care must be taken for selected target sites in highly vascularized lesions exhibiting positive tumor stains... - Higher incidence of epilepsy in meningiomas located on the premotor cortex: a voxel-wise statistical analysisTadashi Hamasaki
Department of Neurosurgery, Kumamoto University Hospital, 1 1 1 Honjo, Chuo Ku, Kumamoto, 862 8556, Japan
Acta Neurochir (Wien) 154:2241-9. 2012.... - Response of postapoplectic hemichorea/ballism to GPi pallidotomy: progressive improvement resulting in complete reliefKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
Mov Disord 19:1111-4. 2004..HCB has never recurred up to the present (9 months follow-up period). This note is the first report describing detailed postsurgical process in HCB relief after pallidotomy... - Functional anatomy of the basal ganglia in X-linked recessive dystonia-parkinsonismSatoshi Goto
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto, Japan
Ann Neurol 58:7-17. 2005.... - Secondary cervical dystonia following stereotactic radiosurgery in a patient with thalamic gliomaKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, Kumamoto 860 8556, Japan
Surg Neurol 68:665-70. 2007..We report the first patient with secondary CD after stereotactic radiosurgery for thalamic glioma. Possible network abnormalities relevant to manifestation of CD were discussed... - Bilateral subthalamic nucleus stimulation results in reversal of alopecia in Parkinson's diseaseKazumichi Yamada
Department of Neurosurgery, Graduate School of Medical Sciences, Kumamoto University, 1-1-1 Honjo, Kumamoto 860-8556, Japan
Parkinsonism Relat Disord 10:353-5. 2004..At 8 months after surgery, hair again covered his entire head. Our study presents a new aspect of the benefit of STN stimulation with regard to drug-induced non-motor symptoms in patient with PD... - Brain metastases from asymptomatic adenocarcinoma of the pancreas: an autopsy case reportKazumichi Yamada
Department of Neurosurgery, Kumamoto University Medical School, Kumamoto City Hospital, Japan
Surg Neurol 58:332-6; discussion 336-7. 2002..The present report suggests that undetected pancreatic cancer may have been the primary lesion classified as "unknown origin" in some cases of metastatic brain tumors... - Involvement of reelin and Cajal-Retzius cells in the developmental formation of vertical columnar structures in the cerebral cortex: evidence from the study of mouse presubicular cortexShigeyuki Nishikawa
Laboratory of Neurobiology, Department of Neurosurgery, Kumamoto University Medical School, 1 1 1 Honjo, Kumamoto 860 8556, Japan
Cereb Cortex 12:1024-30. 2002..Based on the present findings, we hypothesize that reelin and Cajal-Retzius cells regulate the developmental formation of not only horizontal laminations, but also vertical columnar structures in the cerebral cortex... - Lack of Reelin causes malpositioning of nigral dopaminergic neurons: evidence from comparison of normal and Reln(rl) mutant miceShigeyuki Nishikawa
Laboratory of Neurobiology, Department of Neurosurgery, Kumamoto University Medical School, Kumamoto 860 8556, 1 1 1 Honjo, Japan
J Comp Neurol 461:166-73. 2003..We hypothesize that Reelin plays a role in the positioning of nigral dopaminergic neurons and that it can act as an environmental cue at a remote site far from its birthplace via a transaxonal delivery system... - MR imaging features of a scalp plexiform schwannomaKazumichi Yamada
Department of Neurosurgery, Kumamoto University School of Medicine and Kumamoto Neurosurgical Hospital, Kumamoto, Japan
AJNR Am J Neuroradiol 25:291-4. 2004..A surgical specimen was histologically confirmed as schwannoma. The MR imaging findings reported herein may aid in the preoperative diagnosis of this relatively rare scalp tumor... - Rapid regrowth of solitary subependymal giant cell astrocytoma--case reportKeizo Yamamoto
Department of Neurosurgery, Miyazaki Prefectural Nobeoka Hospital, Nobeoka, Miyazaki
Neurol Med Chir (Tokyo) 42:224-7. 2002..Total resection of the tumor was performed. Microscopic and immunohistochemical studies could not identify the cause of the rapid regrowth. SEGA can regrow rapidly after partial removal of the tumor...