Surgical repositioning of misplaced subthalamic electrodes in Parkinson's disease: location of effective and ineffective leads.

abstract：:Stereotactic radiosurgery under local anesthesia with the Leksell Gamma Knife can effectively treat some patients with recurrent tic douloureux after unsuccessful medical/surgical procedures. Seven of 12 patients have shown complete relief or improvement of their trigeminal neuralgia. No complications have been observ...

journal_title：Stereotactic and functional neurosurgery

authors： Rand RW,Jacques DB,Melbye RW,Copcutt BG,Levenick MN,Fisher MR

更新日期：1993-01-01 00:00:00

abstract：:This is a report on a patient with intractable 'primary' generalized seizures and typical spike-wave EEG patterns, in whom an unexpected temporal lobe astrocytoma was detected by MRI studies. Clinical and electrophysiological studies were performed before and after surgical excision of the tumor and apical temporal lo...

journal_title：Stereotactic and functional neurosurgery

authors： Velasco M,Velasco F,Boleaga B,Ondarza R,Velasco AL

更新日期：1995-01-01 00:00:00

abstract：BACKGROUND:Microvascular decompression (MVD) has been the right choice for glossopharyngeal neuralgia (GPN) patients. However, whether glossopharyngeal/vagal nerve root rhizotomy should be combined with MVD is still controversial. OBJECTIVE:To evaluate whether glossopharyngeal/vagal nerve root rhizotomy during MVD is ...

journal_title：Stereotactic and functional neurosurgery

authors： Zheng X,Wei XY,Zhu J,Yuan Y,Ying TT,Li ST

更新日期：2020-01-01 00:00:00

abstract：:The Gamma Knife is currently the only radiosurgical device which has been used in functional neurosurgery. This mode of utilization is possible because the instrument can make lesions in normal brains with a volume as small as 50 mm3. The experience of functional radiosurgery accumulated at the Karolinska Institute ov...

journal_title：Stereotactic and functional neurosurgery

authors： Lindquist C,Kihlström L,Hellstrand E

更新日期：1991-01-01 00:00:00

abstract：OBJECTIVES:Experimental data and case reports of patients with intractable epilepsy treated with deep brain stimulation (DBS) of the subthalamic nucleus (STN) suggest a considerable anticonvulsant effect. However, no satisfactory mechanisms of action have yet been elucidated. We investigated the putative therapeutic me...

journal_title：Stereotactic and functional neurosurgery

authors： Shon YM,Lee KJ,Kim HJ,Chung YA,Ahn KJ,Kim YI,Yang DW,Kim BS

更新日期：2005-01-01 00:00:00

abstract：BACKGROUND:Few multiple case studies of the effects of deep brain stimulation for camptocormia associated with Parkinson's disease have been reported. Although deep brain stimulation was in some cases not effective against camptocormia, it is unclear in which types of patients it was effective in treating camptocormia....

journal_title：Stereotactic and functional neurosurgery

authors： Asahi T,Taguchi Y,Hayashi N,Hamada H,Dougu N,Takashima S,Tanaka K,Endo S

更新日期：2011-01-01 00:00:00

abstract：:We reviewed the initial experience with 331 consecutive patients treated during the first 2 years of operation of the University of Pittsburgh Gamma Unit. Among 178 patients with vascular malformations, 161 had angiographically demonstrable arteriovenous malformations, and 17 had angiographically occult malformations....

journal_title：Stereotactic and functional neurosurgery

authors： Coffey RJ,Lunsford LD,Bissonette D,Flickinger JC

更新日期：1990-01-01 00:00:00

abstract：:Dorsal root entry zone (DREZ) lesions are effective in treating specific pain syndromes, most notably post-brachial plexus avulsion. There is limited experience, however, with lesions in the conus medullaris. We review the case of a patient having pelvic pain and urinary retention who failed to improve despite multipl...

journal_title：Stereotactic and functional neurosurgery

authors： Gorecki JP,Burt T,Wee A

更新日期：1992-01-01 00:00:00

abstract：:The underlying electrophysiologic abnormality in patients with chronic pain syndrome is demonstrated in 2 patients whose pain and associated symptoms were incapacitating. Mechanical perturbation evoked discharges most easily at the mesodiencephalic junction. Discharging tissue at that level appears to be oriented in b...

journal_title：Stereotactic and functional neurosurgery

authors： Andy OJ

更新日期：1989-01-01 00:00:00

abstract：:At the 1989 meeting of the World Society for Stereotactic and Functional Neurosurgery in Maebashi, the authors presented the concept and design of a stereotactic neurosurgical robot. The first prototype has now been completed and has entered clinical testing. The characteristics are as follows. The robot is positioned...

journal_title：Stereotactic and functional neurosurgery

authors： Fankhauser H,Glauser D,Flury P,Piguet Y,Epitaux M,Favre J,Meuli RA

更新日期：1994-01-01 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：: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：OBJECTIVE:Since a simple, rapid and accurate stereotactic system allowing CT monitoring would offer the neurosurgeon several advantages, the feasibility and application accuracy of frameless laser-guided freehand point stereotaxis for neurosurgical interventions was studied. METHODS:A Cartesian coordinate grid mounted...

journal_title：Stereotactic and functional neurosurgery

authors： Hussman KL,Chaloupka JC,Berger SB,Chon KS,Broderick M

更新日期：1998-01-01 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：:The true accuracy of MRI scanners utilized for target acquisition in functional stereotaxis remains undefined. We have performed pallidotomies at the Loma Linda University Medical Center using both MRI and MRI concomitant with positive contrast ventriculography. A retrospective study of 33 cases revealed significant d...

journal_title：Stereotactic and functional neurosurgery

authors： Mandybur G,Morenski J,Kuniyoshi S,Iacono RP

更新日期：1995-01-01 00:00:00

abstract：:The possible influence of painful stimulation and morphine analgesia on hypothalamic met-enkephalin levels, and the possible correlation between this biochemical parameter and animal behaviour was studied. The results indicate that both painful stimulation and morphine treatment induce an increase in hypothalamic mete...

journal_title：Stereotactic and functional neurosurgery

authors： Seijo F,Hernández LC,Del Valle M,Ayala J,Iglesias L,Fuente T,López JM

更新日期：1993-01-01 00:00:00

abstract：INTRODUCTION:Trigeminal neuralgia (TN) secondary to tumors is encountered in up to 6% of patients with facial pain syndromes and is considered to be associated with tumors affecting the trigeminal nerve pathways. The most frequent are meningiomas and vestibular schwannomas (VS). Stereotactic radiosurgery (SRS) has emer...

journal_title：Stereotactic and functional neurosurgery

authors： Peciu-Florianu I,Régis J,Levivier M,Dedeciusova M,Reyns N,Tuleasca C

更新日期：2020-09-09 00:00:00

abstract：OBJECTIVE:We have developed an overlaid three-dimensional image (Volumegraph)-guided navigation system that allows navigation during operative procedures. The three-dimensional image is superimposed on the patient's head and body via a semi-transparent mirror. The Volumegraph can display three-dimensional images in the...

journal_title：Stereotactic and functional neurosurgery

authors： Iseki H,Masutani Y,Iwahara M,Tanikawa T,Muragaki Y,Taira T,Dohi T,Takakura K

更新日期：1997-01-01 00:00:00

abstract：:To elucidate the radiobiological effect of Gamma Knife radiosurgery on brain tumors, we performed a histological study on nine cases. In two, the material was obtained at autopsy and in seven following surgery. In the central region of the radiation field, destructive changes occurred both in tumor cells and in vessel...

journal_title：Stereotactic and functional neurosurgery

authors： Hirato M,Hirato J,Zama A,Inoue H,Ohye C,Shibazaki T,Andou Y

更新日期：1996-01-01 00:00:00

abstract：:A prospective study on the effects of bilateral anterior capsulotomy in patients with refractory obsessive-compulsive disorder (OCD) is presented. A total of 18 procedures were performed in 15 patients. The mean duration of the OCDs was 18.1 +/- 5.6 years (range 11-26 years). The mean total Yale-Brown Scale (Y-BOCS) s...

journal_title：Stereotactic and functional neurosurgery

authors： Oliver B,Gascón J,Aparicio A,Ayats E,Rodriguez R,Maestro De León JL,García-Bach M,Soler PA

更新日期：2003-01-01 00:00:00

abstract：BACKGROUND:A therapeutic radiosurgery procedure usually follows a separate diagnostic stereotactic procedure after days or weeks. OBJECTIVES:To define the clinical reliability, safety, and cost implications of same-day diagnostic stereotactic biopsy and therapeutic radiosurgery. METHODS:During an 8-year interval, 26 ...

journal_title：Stereotactic and functional neurosurgery

authors： Park KJ,Niranjan A,Kondziolka D,Kano H,Castillo P,Matchett JC,Flickinger JC,Lunsford LD

更新日期：2011-01-01 00:00:00

abstract：:In this article, we use a case to illustrate and discuss some practically important learning points about programming subthalamic nucleus deep brain stimulation for Parkinson's disease patients and highlight clinically relevant issues resulting from anatomical and device-related anomalies. These include the phenomenon...

journal_title：Stereotactic and functional neurosurgery

authors： Dayal V,Akram H,Zrinzo L,Limousin P,Foltynie T

更新日期：2020-01-01 00:00:00

abstract：OBJECTIVE:To perform a preliminary study on the effects and safety of bilateral cingulotomy and anterior capsulotomy in patients with aggressive behavior. PATIENTS AND METHODS:Twenty-three psychiatric patients showing aggressive behavior refractory to conventional treatment were initially evaluated. The subjects were ...

journal_title：Stereotactic and functional neurosurgery

authors： Jiménez F,Soto JE,Velasco F,Andrade P,Bustamante JJ,Gómez P,Ramírez Y,Carrillo-Ruiz JD

更新日期：2012-01-01 00:00:00

abstract：:Stereotactic guidance is useful for planning an accurate trajectory to the third ventricle. A guiding block with a ball joint was developed for frame-based endoscopy and adaptors for arm-based and armless navigation systems. Between 1992 and 1996, 52 patients were operated on endoscopically in the third ventricle unde...

journal_title：Stereotactic and functional neurosurgery

authors： Grunert P,Hopf N,Perneczky A

更新日期：1997-01-01 00:00:00

abstract：:Great advances in imaging technology allows the surgeon to visualize the entire brain surface during surgery. However, the cerebral convolutions are extremely complex, so that it is often difficult to define the central area precisely. Using the curvilinear reconstruction technique (Gyroview) and MRI, we have analyzed...

journal_title：Stereotactic and functional neurosurgery

authors： Lee U,Bastos AC,Alonso-Vanegas MA,Morris R,Olivier A

更新日期：1998-01-01 00:00:00

abstract：BACKGROUND:Writer's cramp is a specific movement disorder with hand muscle cramps in writing, being classified into focal and action-specific dystonia. Stereotactic surgery, such as thalamotomy and deep brain stimulation (DBS), has been reported for writer's cramp; however, the number of reported cases is still scarce ...

journal_title：Stereotactic and functional neurosurgery

authors： Asahi T,Koh M,Kashiwazaki D,Kuroda S

更新日期：2014-01-01 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：:In his keynote address, the author reviews early work in the surgical management of the epilepsies and presents a state-of-the-art review of current basic science and clinical indications for and results from corpus callosotomy for the treatment of seizure disorders. ...

journal_title：Stereotactic and functional neurosurgery

authors： Marino R

更新日期：1994-01-01 00:00:00

abstract：:Stereotactic interventions at thalamic/subthalamic levels for parkinsonian tremor give the chance to investigate the influence of the supraspinal proprioceptive loops on the tonic component of motor tasks. Studies demonstrate not only a normalization of the late stretch reflex component and a decrease of the pre-refle...

journal_title：Stereotactic and functional neurosurgery

authors： Struppler A

更新日期：1993-01-01 00:00:00

abstract：BACKGROUND:Deep brain stimulation (DBS) implantation under general anesthesia (GA) is of great importance for patients with disabling off-medication symptoms or medical comorbidities. However, the relative advantages/disadvantages of routine local anesthesia (LA) surgery versus GA regarding clinical outcomes are contro...

journal_title：Stereotactic and functional neurosurgery

authors： Liu Z,He S,Li L

更新日期：2019-01-01 00:00:00