MRI-guided stereotactic thalamotomy for cerebral palsy patients with mixed dyskinesia.

abstract：:Twiddler's syndrome describes the intentional external manipulation or spontaneous rotation of implanted devices such as cardiac pacemakers. Here we report the same phenomenon occurring in a patient with an implanted deep brain stimulator generator. The clinical syndrome is described and potential technical nuances to...

journal_title：Stereotactic and functional neurosurgery

authors： Israel Z,Spivak A

更新日期：2008-01-01 00:00:00

abstract：BACKGROUND:In nonresectable glioblastoma (GBM), stereotactic biopsies are performed to retrieve tissue for diagnostic purposes. The analysis of O6-methylguanine-DNA methyltransferase (MGMT) promoter methylation adds prognostic and predictive information. OBJECTIVES:The aim of the study was to detect confounding factor...

journal_title：Stereotactic and functional neurosurgery

authors： Weise LM,Harter PN,Eibach S,Braczynski AK,Dunst M,Rieger J,Bähr O,Hattingen E,Steinbach JP,Plate KH,Seifert V,Mittelbronn M

更新日期：2014-01-01 00:00:00

abstract：:Background: Trigeminal neuralgia (TN) is mostly caused by vascular compression of the nerve's root entry zone due to an ectatic artery. Rarer causes include compression from tumors, vascular malformations or multiple sclerosis plaques. Developmental venous anomalies (DVAs) are benign, aberrantly appearing venous struc...

journal_title：Stereotactic and functional neurosurgery

authors： Harrison G,Lunsford LD,Monaco Iii EA

更新日期：2015-01-01 00:00:00

abstract：:The authors assess the accuracy of targeting nucleus ventralis intermedius (Vim) with fast spin echo inversion recovery (FSE/IR) magnetic resonance imaging (MRI) in 18 successful deep brain stimulator (DBS) implants for medically refractory tremor. FSE/IR-MRI-derived coordinates are compared to the final coordinates e...

journal_title：Stereotactic and functional neurosurgery

authors： Alterman RL,Reiter GT,Shils J,Skolnick B,Arle JE,Lesutis M,Simuni T,Colcher A,Stern M,Hurtig H

更新日期：1999-01-01 00:00:00

abstract：BACKGROUND:Pedunculopontine nucleus (PPN) deep brain stimulation (DBS) has recently been suggested for treatment of medication-unresponsive gait and axial symptoms in Parkinson's disease. Patients with the rare primary progressive freezing gait disorder (PPFG) have similar disabling symptoms and few therapeutic options...

journal_title：Stereotactic and functional neurosurgery

authors： Ostrem JL,Christine CW,Glass GA,Schrock LE,Starr PA

更新日期：2010-01-01 00:00:00

abstract：:A 10-year follow-up study of neuroelectric implant integrity has been completed for 27 subjects who were treated for movement disorders associated with cerebral palsy. Data used for analysis included X-ray material, clinical data, and results from electrophysiological testing. Of the 21 subjects with subcutaneous rece...

journal_title：Stereotactic and functional neurosurgery

authors： Harris GF,Hemmy DC,Coad JE,Mothkur SR,Weber RC

更新日期：1989-01-01 00:00:00

abstract：:In this study, we investigated the efficacy of brachytherapy in the treatment of 138 patients with intracranial neoplasms of the CNS. Of the total number of patients, 50 presented with glioblastoma multiforme, 45 presented with low-grade glioma, 19 presented with anaplastic astrocytoma, 23 presented with metastases an...

journal_title：Stereotactic and functional neurosurgery

authors： Teixeira MJ,Lepski G,Correia C,Aguiar PH

更新日期：2003-01-01 00:00:00

abstract：:Dorsal root entry zone (DREZ) lesioning is still used as a choice of treatment for some painful conditions as well as spasticity in selected patients. The most commonly used techniques to perform DREZotomy are the microsurgical one and DREZ radiofrequency (RF) coagulation. The technical difficulties using punctures to...

journal_title：Stereotactic and functional neurosurgery

authors： Monaco BA,Lopes AJM,Teixeira MJ

更新日期：2019-01-01 00:00:00

abstract：:We have analyzed a series of 225 patients with intracranial metastases (343 lesions), treated in our department by Gamma Knife radiosurgery over a 30-month period. We have used a modified Pittsburgh protocol and performed 242 procedures on 164 single/78 multiple lesions. Primary tumors were mostly carcinomas of the lu...

journal_title：Stereotactic and functional neurosurgery

authors： Gerosa M,Nicolato A,Severi F,Ferraresi P,Masotto B,Barone G,Foroni R,Piovan E,Pasoli A,Bricolo A

更新日期：1996-01-01 00:00:00

abstract：:Clinical experience with the use of pergolide is presented in 55 patients with Parkinson's disease. Fifty to 900 micrograms/day (mean 242.73, SD 217.51) of pergolide and 0.64-17.05 micrograms/kg/day (mean 4.58, SD 4.25) pergolide was given together with L-carbidopa to 29 males and 26 females for a period of up to 2 ye...

journal_title：Stereotactic and functional neurosurgery

authors： Amano K,Takakura K

更新日期：1997-01-01 00:00:00

abstract：:Craniotomy using stereotactic techniques has the potential to improve the extent of tumor resection and to reduce wound and neurologic morbidity. Most reports of stereotaxy-assisted craniotomy (SC) for tumor resection have focused on techniques using sophisticated computer hardware and volumetric software. Results of ...

journal_title：Stereotactic and functional neurosurgery

authors： Barnett GH,McKenzie RL,Ramos L,Palmer J

更新日期：1993-01-01 00:00:00

abstract：:Resection of epileptogenic lesions and pathological studies were performed in all 35 patients with temporal lobe epilepsy, 20 male and 15 female. Their ages ranged from 6 to 48 years with an average of 22 years. Various examinations including CT scan were carried out without any positive finding. EEG showed spike form...

journal_title：Stereotactic and functional neurosurgery

authors： Liu Z,Tian Z,Kang G,Cheng L,Li S,Chen X,Fin H,Zui S

更新日期：1992-01-01 00:00:00

abstract：:At the KUL University of Leuven a workstation for the planning of neurosurgical stereotactic procedures has been developed. Its benefits are illustrated in three exemplary cases. The CT and/or MR images, acquired under stereotactic conditions, are transmitted via a PACS network (picture archiving and communication sys...

journal_title：Stereotactic and functional neurosurgery

authors： Nuttin B,Knauth M,Gybels J,Verbeeck R,Vandermeulen D,Michiels J,Suetens P,Marchal G

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND:The results from thalamic deep brain stimulation (DBS) for atypical tremor syndromes including tremor from multiple sclerosis (MS) and stroke are often disappointing. Three recent case reports have suggested that simultaneous stimulation of multiple thalamic targets can result in sustained improvement in suc...

journal_title：Stereotactic and functional neurosurgery

authors： Lim DA,Khandhar SM,Heath S,Ostrem JL,Ringel N,Starr P

更新日期：2007-01-01 00:00:00

abstract：BACKGROUND:The incidences of metastatic brain tumors from malignant melanomas have increased and survival has been prolonged by novel molecular targeted agents and immunotherapy. However, malignant melanomas are uncommon in Asian populations. OBJECTIVES:We retrospectively analyzed treatment efficacy and identified pro...

journal_title：Stereotactic and functional neurosurgery

authors： Matsunaga S,Shuto T,Yamamoto M,Yomo S,Kondoh T,Kobayashi T,Sato M,Okamoto H,Serizawa T,Nagano O,Kenai H,Obara T,Iwai Y,Yasuda S,Hasegawa T,Kubo K,Shidoh S,Mori K,Hayashi M,Inoue A,Onoue S,Gondo M

更新日期：2018-01-01 00:00:00

abstract：:Experimental studies indicate that deafferentation results in reorganization of the somatosensory map at various levels of the CNS, such that the representation of a body part adjacent to a region that is denervated expands into the deafferented area. Recent data suggest that in the human this occurs at the cortical l...

journal_title：Stereotactic and functional neurosurgery

authors： Kiss ZH,Dostrovsky JO,Tasker RR

更新日期：1994-01-01 00:00:00

abstract：BACKGROUND:Gamma knife surgery (GKS) is used at subnecrotic doses for temporal lobe epilepsy (TLE) treatment. Rat models of TLE have been used to probe the mechanisms underlying GKS. Previous GKS studies on rats have used the Leksell GammaPlan (LGP) treatment planning system to determine the irradiation time to achieve...

journal_title：Stereotactic and functional neurosurgery

authors： Marcelin B,Kjäll P,Johansson J,Lundin A,Nordström H,Eriksson M,Bernard C,Régis J

更新日期：2010-01-01 00:00:00

abstract：:Out of 57 patients operated for intractable epilepsy of the central region, 8 harbored an indolent glioma (7 dysembryoplastic neuroepithelial tumors, 1 ganglioglioma). Mapping of the sensorimotor area with depth electrodes implanted for stereoelectroencephalographic exploration demonstrated no or abnormal motor respon...

journal_title：Stereotactic and functional neurosurgery

authors： Devaux B,Chassoux F,Landré E,Turak B,Daumas-Duport C,Chagot D,Gagnepain JP,Chodkiewicz JP

更新日期：1997-01-01 00:00:00

abstract：BACKGROUND/AIMS:Stereotactic postoperative imaging is essential for verification of the position of electrodes implanted for deep brain stimulation (DBS). MRI offers superior visualisation of the DBS targets relative to CT, but previous adverse incidents have heightened concerns about risks of postoperative MRI. Preope...

journal_title：Stereotactic and functional neurosurgery

authors： O'Gorman RL,Jarosz JM,Samuel M,Clough C,Selway RP,Ashkan K

更新日期：2009-01-01 00:00:00

abstract：:The diagnostic yield of stereotactic biopsies depends upon safely sampling the most representative regions of masses. Potentially, localization information presently available from CT and MR scans might be improved by considering regional levels of cerebral metabolism by PET. In 10 selected stereotactic biopsies of in...

journal_title：Stereotactic and functional neurosurgery

authors： Maciunas RJ,Kessler RM,Maurer C,Mandava V,Watt G,Smith G

更新日期：1992-01-01 00:00:00

abstract：:Microrecordings were performed during pallidotomy and thalamotomy for Parkinson's disease (PD). Neuronal activity in globus pallidus (GP) was in general agreement with previous studies of human and primate models of PD. Neuronal activity, where frequency of tremor appeared to oscillate independently from peripheral in...

journal_title：Stereotactic and functional neurosurgery

authors： Hayase N,Miyashita N,Endo K,Narabayashi H

更新日期：1998-01-01 00:00:00

abstract：:The management of cerebral arteriovenous malformations (AVMs) continues to present a challenge to neurosurgeons. The natural history of this condition, as well as the morbidity and mortality of therapeutic interventions, remains incompletely elucidated. Predictive factors and grading scales in AVM management allow ris...

journal_title：Stereotactic and functional neurosurgery

authors： Starke RM,Komotar RJ,Hwang BY,Fischer LE,Otten ML,Merkow MB,Garrett MC,Isaacson SR,Connolly ES Jr

更新日期：2008-01-01 00:00:00

abstract：:From January 1992 to November 1996, 17 patients with the diagnosis of intracranial meningioma underwent radiosurgical treatment. Of these, 7 patients were treated using a Linac-based system (group 1), and 10 using the Leksell Gamma Knife unit (group 2). The follow-up ranged between 12 and 48 (median 33) months for gro...

journal_title：Stereotactic and functional neurosurgery

authors： Zamorano L,Saenz A,Matter A,Buciuc R,Gaspar L,Fontanesi J,Garzon A,Diaz F

更新日期：1997-01-01 00:00:00

abstract：:A Leksell Gamma Unit was commissioned and a Lars Leksell Center for Radiosurgery was established at the University of Virginia Health Sciences Center in March 1989. At that time a formal quality assurance program designed for the Leksell Gamma Unit was put into effect. This paper will review the components of suggeste...

journal_title：Stereotactic and functional neurosurgery

authors： Berk HW,Agarwal SK

更新日期：1991-01-01 00:00:00

abstract：OBJECTIVES:We prospectively investigated the efficacy of corticosteroid medication in salvaging acute hearing deterioration after radiosurgery for vestibular schwannoma (VS) and analyzed prognostic factors for hearing preservation. METHODS:Forty-one patients with serviceable hearing treated with gamma knife radiosurge...

journal_title：Stereotactic and functional neurosurgery

authors： Kim JW,Kim DG,Paek SH,Chung HT,Kim YH,Han JH,Park CK,Jung HW

更新日期：2011-01-01 00:00:00

abstract：OBJECTIVE:The goal of the present study was to evaluate the effects of bilateral deep brain stimulation (DBS) of the subthalamic nucleus (STN) on olfaction in patients with Parkinson's disease (PD). METHODS:15 patients suffering from sporadic PD-related dysosmia were implanted with bilateral electrodes aimed at the ST...

journal_title：Stereotactic and functional neurosurgery

authors： Guo X,Gao G,Wang X,Li L,Li W,Liang Q,Zhang H

更新日期：2008-01-01 00:00:00

abstract：PURPOSE:To evaluate the imaging and pathological correlates of successful or risk-related stereotactic radiosurgery (SR). Methods and Materials. The ten-year Gamma Knife experience in 2,344 patients at the University of Pittsburgh was reviewed. In addition, the results or radiosurgery primate, rat, and mouse models wer...

journal_title：Stereotactic and functional neurosurgery

authors： Lunsford LD,Kondziolka D,Maitz A,Flickinger JC

更新日期：1998-10-01 00:00:00

abstract：:Autologous transplantation of the superior cervical ganglion (SCG) into the caudate nuclei of 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-induced parkinsonian monkey was studied in regard to animal behavior and catecholamine (CA) metabolites in cerebrospinal fluid. Monkeys which had undergone autotransplantation of t...

journal_title：Stereotactic and functional neurosurgery

authors： Nakai M,Itakura T,Komai N

更新日期：1990-01-01 00:00:00

abstract：:The rostral areas of the brainstem have been extensively studied in higher mammals and to a lesser extent in humans in the last two decades, looking for anatomical, electrophysiological and neurochemical evidence of involvement in the initiation and control of voluntary movement. This has come with the realisation tha...

journal_title：Stereotactic and functional neurosurgery

authors： Nandi D,Stein JF,Aziz TZ

更新日期：2002-01-01 00:00:00

abstract：:The possibility of obtaining a selective effect on different trigeminal branches by glycerol rhizotomy was studied in the treatment of trigeminal neuralgia. Transcutaneous electrical stimulation was used to quantify sensory impairment. An attempt was made to direct the neurotoxic effect by maintaining the patient's he...

journal_title：Stereotactic and functional neurosurgery

authors： Bergenheim AT,Hariz MI,Laitinen LV

更新日期：1991-01-01 00:00:00