Interstitial irradiation for CNS lesions.

abstract：:Following deep brain stimulation (DBS) surgery, a variety of potential mechanical or functional complications ranging from perioperative events to hardware malfunction may occur. We present 2 patients who developed a unique complication of cyst formation at the tip of the DBS electrode in the absence of infection. One...

journal_title：Stereotactic and functional neurosurgery

authors： Ramirez-Zamora A,Levine D,Sommer DB,Dalfino J,Novak P,Pilitsis JG

更新日期：2013-01-01 00:00:00

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：:The beneficial effects of ventral intermediate nucleus (VIM) stimulation were evaluated in 20 patients with tremor refractory to medical therapy. Thalamic stimulation is a non-ablative procedure which has the advantage of a reversible, non-destructive lesion. Eleven patients [7 with Parkinson's disease (PD) and 4 with...

journal_title：Stereotactic and functional neurosurgery

authors： Kumar K,Kelly M,Toth C

更新日期：1999-01-01 00:00:00

abstract：:Interstitial hyperthermia of malignant brain tumors has been produced by a heated ferromagnetic implant with a low Curie point. Induction heating of the implant, which is stereotactically implanted in a tumor, is obtained by eddy currents in a high-frequency magnetic field. Safe, repeated and long-term treatment of 35...

journal_title：Stereotactic and functional neurosurgery

authors： Kobayashi T,Kida Y

更新日期：1992-01-01 00:00:00

abstract：BACKGROUND/AIMS:In subthalamic nucleus (STN) deep brain stimulation (DBS) lead implantation, it is still controversial whether it is more appropriate to employ indirect or direct methods in magnetic resonance imaging (MRI)-based tentative targeting and to select single- or multiple-track recording in electrophysiologic...

journal_title：Stereotactic and functional neurosurgery

authors： Koike Y,Shima F,Nakamizo A,Miyagi Y

更新日期：2008-01-01 00:00:00

abstract：:Twenty-five gliomas of the cerebral hemisphere in children were examined. Most hemispheric gliomas in children have relatively clear margins and less infiltrative potential. Radiosurgery has a role in the treatment of these tumors in addition to reducing the risk of radiation injuries developing later. Fifteen patient...

journal_title：Stereotactic and functional neurosurgery

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

更新日期：1996-01-01 00:00:00

abstract：:Radiosurgery with the Gamma Knife was performed in 12 patients with parkinsonism. In 9 patients small lesions were created in the head of the caudate nucleus bilaterally. Two patients underwent radiosurgical thalamotomy, and 1 patient was treated with caudatotomy and thalamotomy. After a follow-up period of 1-12 month...

journal_title：Stereotactic and functional neurosurgery

authors： Friehs GM,Ojakangas CL,Pachatz P,Schröttner O,Ott E,Pendl G

更新日期：1995-01-01 00:00:00

abstract：:Six patients with brain tumors within or near the primary motor cortex underwent preoperative functional magnetic resonance imaging (fMRI) and intraoperative cortical mapping, and the accuracy of those techniques for localization of the primary motor cortex and motor function beside the tumor were determined by compar...

journal_title：Stereotactic and functional neurosurgery

authors： Shinoura N,Yamada R,Kodama T,Suzuki Y,Takahashi M,Yagi K

更新日期：2005-01-01 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：BACKGROUND:Stereotactic procedures are image guided, often using magnetic resonance (MR) images limited by image distortion, which may influence targets for stereotactic procedures. OBJECTIVES:The aim of this work was to assess methods of identifying target coordinates for stereotactic procedures with MR in multiple p...

journal_title：Stereotactic and functional neurosurgery

authors： Kim M,Jung NY,Park CK,Chang WS,Jung HH,Chang JW

更新日期：2018-01-01 00:00:00

abstract：:There is no clear consensus regarding the optimal location for placing deep brain stimulation (DBS) electrodes within the subthalamic nucleus (STN) target region in Parkinson's disease. In cases of poor symptom control or adverse effects following lead placement, leads presumed to be inadequately positioned may be cor...

journal_title：Stereotactic and functional neurosurgery

authors： Richardson RM,Ostrem JL,Starr PA

更新日期：2009-01-01 00:00:00

abstract：:Computerized brain atlas is a new application area in the practical use of stereotactic neurosurgery. Our approach provides a solution for the straightforward definition of a coordinate system (CA-CP), localization of the selected target point, trepanation points and trajectory transformation of the stereotactic elect...

journal_title：Stereotactic and functional neurosurgery

authors： Sramka M,Ruzicky E,Novotny M

更新日期：1997-01-01 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

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：INTRODUCTION:The intersection of Bejjani's line with the well-delineated medial subthalamic nucleus (STN) border on MRI has recently been proposed as an individualized reference in subthalamic deep brain stimulation (DBS) surgery for Parkinson's disease (PD). We, therefore, aimed to investigate the applicability across...

journal_title：Stereotactic and functional neurosurgery

authors： Bolier E,Bot M,van den Munckhof P,Pal G,Sani S,Verhagen Metman L

更新日期：2020-11-18 00:00:00

abstract：:The correct explanation of the term 'stereotaxy' is linguistically not self-evident because the Greek term stereon means not spatial but 'hard' or 'solid'. The aim of our study was to clarify the term stereotaxy historically and linguistically. We carried out our study by reviewing the neurosurgical and ancient Greek ...

journal_title：Stereotactic and functional neurosurgery

authors： Grunert P Sr,Keiner D,Oertel J

更新日期：2015-01-01 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：OBJECT:To determine the feasibility of utilizing a Gamma Knife stereotactic boost for patients at high risk of local recurrence from minor salivary gland tumors invading the base of skull. METHODS:Eight patients with minor salivary gland tumors invading the base of skull were treated with primary neutron radiotherapy ...

journal_title：Stereotactic and functional neurosurgery

authors： Douglas JG,Silbergeld DL,Laramore GE

更新日期：2004-01-01 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：: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：: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：: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：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：BACKGROUND:A patient controller (PC) is an optional device for patients with deep brain stimulation (DBS) to have limited control of their stimulator system. OBJECTIVES:We investigated the impact of a PC on DBS safety, most notably the handling/prevention of unexpected DBS failure in patients with Parkinson's disease ...

journal_title：Stereotactic and functional neurosurgery

authors： Allert N,Mehnert C,Lehrke R,Maarouf M,Sturm V

更新日期：2011-01-01 00:00:00

abstract：BACKGROUND:Deep brain stimulation (DBS) and the proper target for chronic cluster headache (CCH) are still subjects of controversy. OBJECTIVES:We present our long-term results of analysis of the target and its structural connectivity. METHODS:Fifteen patients with drug-resistant CCH underwent DBS in coordinates 4 mm ...

journal_title：Stereotactic and functional neurosurgery

authors： Seijo-Fernandez F,Saiz A,Santamarta E,Nader L,Alvarez-Vega MA,Lozano B,Seijo E,Barcia JA

更新日期：2018-01-01 00:00:00

abstract：BACKGROUND:In well-designed multicenter studies, the protocol of continuing motor cortex stimulation (MCS) temporarily for 3-6 weeks was employed with rehabilitation therapy, and these studies showed some recovery of motor weakness in post-stroke patients. OBJECTIVES:We aimed to clarify the effects of long-term MCS an...

journal_title：Stereotactic and functional neurosurgery

authors： Yamamoto T,Katayama Y,Watanabe M,Sumi K,Obuchi T,Kobayashi K,Oshima H,Fukaya C

更新日期：2011-01-01 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：: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：:In selected patients with recurrent malignant glioma, interstitial brachytherapy has been advocated as an effective method for tumor control and prolonged survival. We are presenting our results with brachytherapy in patients with recurrent glioma, and comparing this technique with cytoreductive surgery. Twenty patien...

journal_title：Stereotactic and functional neurosurgery

authors： Ryken TC,Hitchon PW,VanGilder JC,Wen BC,Jani S

更新日期：1994-01-01 00:00:00

abstract：:Reinstallation of the Sheffield Gamma Knife Unit was completed in early November, 1991, following the replacement of the cobalt sources. Two methods were used to evaluate the isodose configuration within the replenished unit. The first method used a scanning microdensitometer to interrogate films exposed within a sphe...

journal_title：Stereotactic and functional neurosurgery

authors： Walton L,Griffiths LM,Hampshire A

更新日期：1993-01-01 00:00:00