Distinguishing recurrent tumor and radiation necrosis with positron emission tomography versus stereotactic biopsy.

abstract：BACKGROUND:Adjustment of the motor circuitry has been described in the treatment of Parkinson disease (PD). OBJECTIVES:To evaluate the modulation of the motor circuitry of PD patients by subthalamic deep brain stimulation (STN DBS) using 18F-fluorodeoxyglucose (FDG) and positron emission tomography (PET). METHODS:Res...

journal_title：Stereotactic and functional neurosurgery

authors： Cao C,Zhang H,Li D,Zhan S,Zhang J,Zhang X,Zuo C,Sun B

更新日期：2017-01-01 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：:During percutaneous microcompression of the gasserian ganglion for the relief of trigeminal neuralgia, a computerized technique for monitoring the pressure inside Meckel's cave was employed in 22 patients. A dedicated transducer connected to a computer records the balloon inflation pressure. Its variations are discern...

journal_title：Stereotactic and functional neurosurgery

authors： Zanusso M,Curri D,Landi A,Colombo F,Volpin L,Cervellini P

更新日期：1991-01-01 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：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：BACKGROUND:Rasmussen encephalitis (RE) is a rare progressive encephalitis that results in intractable seizures, cognitive decline and hemiparesis. Surgery seems to be the only effective way to control seizures in RE patients. OBJECTIVE:To describe the clinical, electrophysiological, neuroradiological and histological ...

journal_title：Stereotactic and functional neurosurgery

authors： Guan Y,Zhou J,Luan G,Liu X

更新日期：2014-01-01 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：BACKGROUND:Applications in clinical medicine can benefit from fusion of spectroscopy data with anatomical imagery. For example, new 3-dimensional (3D) spectroscopy techniques allow for improved correlation of metabolite profiles with specific regions of interest in anatomical tumor images, which can be useful in charac...

journal_title：Stereotactic and functional neurosurgery

authors： Kanberoglu B,Moore NZ,Frakes D,Karam LJ,Debbins JP,Preul MC

更新日期：2014-01-01 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：: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：: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：BACKGROUND:Directional leads are increasingly used in deep brain stimulation. They allow shaping the electrical field in the axial plane. These new possibilities increase the complexity of programming. Thus, optimized programming approaches are needed to assist clinical testing and to obtain full clinical benefit. OBJ...

journal_title：Stereotactic and functional neurosurgery

authors： Kramme J,Dembek TA,Treuer H,Dafsari HS,Barbe MT,Wirths J,Visser-Vandewalle V

更新日期：2020-10-20 00:00:00

abstract：:Endoscopic pituitary surgery is a minimally invasive method which allows simple transnasal transphenoidal surgical access without retractors, and has been used by our team in 536 patients from 1993 to 1999. In 326 of these patients, computer-aided image-guided techniques (CAN) were used in conjunction with endoscopy. ...

journal_title：Stereotactic and functional neurosurgery

authors： Pillay PK,Leo CW,Sethi DS

更新日期：2000-01-01 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：PURPOSE:To evaluate dose conformity and mean target dose in light of previous comparative studies and state-of-the-art radiosurgery delivery modalities. MATERIALS AND METHODS:Seven patients with acoustic neuromas deemed clinically suitable for linear accelerator or Gamma Knife radiosurgery were planned such that the m...

journal_title：Stereotactic and functional neurosurgery

authors： Perks JR,El-Hamri K,Blackburn TP,Plowman PN

更新日期：2005-01-01 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:To maintain the efficacy of deep brain stimulation (DBS) on dystonic symptoms, slight incremental increase in voltage may be necessary over years after a steady state has been reached following the initial programming of optimal settings. So far however, no data are available regarding the adjustment of volt...

journal_title：Stereotactic and functional neurosurgery

authors： Blahak C,Capelle HH,Bäzner H,Kinfe T,Hennerici MG,Krauss JK

更新日期：2010-01-01 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：: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：:Posttraumatic stress disorder (PTSD) is a prevalent and highly disabling psychiatric disorder that is notoriously difficult to treat. At some point in their lifetimes, 5-8% of men, 10-14% of women, and up to a quarter of combat veterans carry this diagnosis. Despite pharmacological and behavioral therapies, up to 30% ...

journal_title：Stereotactic and functional neurosurgery

authors： Taghva A,Oluigbo C,Corrigan J,Rezai AR

更新日期：2013-01-01 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：:In nearly all deep brain stimulation (DBS) applications, the same quadripolar electrode design is used for different anatomical targets even if shape and volume differences exist between nuclei. Taking into account the electrode location within the internal globus pallidus (GPi) and the size of the GPi, 2 electrodes w...

journal_title：Stereotactic and functional neurosurgery

authors： Vasques X,Cif L,Mennessier G,Coubes P

更新日期：2010-01-01 00:00:00

abstract：:The longevity of batteries in internal pulse generators (IPGs) used clinically for deep brain stimulation is not known. We conducted a study to assess the life span of these batteries. From 1993 to 2000, 163 single-channel batteries were surgically implanted in our institution. The electrical settings utilized in pati...

journal_title：Stereotactic and functional neurosurgery

authors： Bin-Mahfoodh M,Hamani C,Sime E,Lozano AM

更新日期：2003-01-01 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：:Six cases of acoustic neurinomas with macrocystic components are presented. In three cases the cystic portion was within the tumor, while in the other three, the cyst was peritumoral, in the form of a cul-de-sac within the arachnoid, in other words it was not a true tumor cyst. The six tumors are from a series of 74 a...

journal_title：Stereotactic and functional neurosurgery

authors： Pendl G,Ganz JC,Kitz K,Eustacchio S

更新日期：1996-01-01 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：: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：BACKGROUND/AIMS:During the placement of electrodes for deep brain stimulation (DBS), patients are commonly in a seated position, awake, and spontaneously breathing. Air may be entrained through bone or dural veins causing venous air emboli (VAE) and this phenomenon can result in significant hemodynamic changes. Althoug...

journal_title：Stereotactic and functional neurosurgery

authors： Hooper AK,Okun MS,Foote KD,Haq IU,Fernandez HH,Hegland D,Robicsek SA

更新日期：2009-01-01 00:00:00

abstract：:Paresthesia-producing (PP), but not periventricular grey (PVG) deep brain stimulation (DBS) proved effective in steady neuropathic pain in 25 patients receiving both, regardless of the PP site stimulated, but PVG-DBS suppressed allodynia or hyperpathia in 3 cases of stroke-induced pain. In patients with stroke-induced...

journal_title：Stereotactic and functional neurosurgery

authors： Tasker RR,Vilela Filho O

更新日期：1995-01-01 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