Search Results
Results 451 - 500 of 1145
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Kumar R - - 2008
Chiari malformations are a pathological continuum of hindbrain maldevelopment and Chiari I malformation (CMI) represents caudal decent of cerebellar tonsils. The surgery aims to relieve tonsillar compression with restoration of the normal cerebrospinal (CSF) flow dynamics. We report the salient features of our surgical experience with CMI; over a decade ...
Kelly Michael E - - 2008
OBJECT: Posterior fossa arteriovenous malformations (AVMs) are relatively uncommon and often difficult to treat. The authors present their experience with multimodality treatment of 76 posterior fossa AVMs, with an emphasis on Spetzler-Martin Grades III-V AVMs. METHODS: Seventy-six patients with posterior fossa AVMs treated with radiosurgery, surgery, and endovascular techniques were ...
Amouzegar-Hashemi F - - 2008
Despite high-level evidence in the literature, the use of single-fraction radiotherapy (rt) for management of painful bone metastases is not widely practiced in the world, as highlighted in several practice-pattern surveys. Fractionation of palliative rt for bone metastases has not been addressed in Iran, where the most common clinical practice ...
Choe Jae-Gyun - - 2008
Outcome of gamma knife radiosurgery (GKS) in the consecutive 100 cases with cerebral arteriovenous malformations (AVMs) was analyzed. Data from initial 100 patients treated with GKS in the authors' institute were reviewed retrospectively. Spetzler-Martin grade at diagnosis were I in 18 patients, II in 27, III in 36, IV in ...
Shibamoto Yuta - - 2008
PURPOSE: To determine the incidence of brain atrophy and dementia after whole-brain radiotherapy (WBRT) in patients with brain metastases not undergoing surgery. METHODS AND MATERIALS: Eligible patients underwent WBRT to 40 Gy in 20 fractions with or without a 10-Gy boost. Brain magnetic resonance imaging or computed tomography and Mini-Mental ...
Pratali Raphael - - 2009
Osteoid osteoma is the third most common type of bone tumour. Radiofrequency ablation and other percutaneous procedures are the treatment of choice. However, in some sites these methods are difficult or dangerous. Our objective of this study was to evaluate whether open resection and intraoperative nidus detection with a hand-held ...
Chen Joseph C T - - 2008
OBJECTIVE: Trigeminal neuralgia treatment results are thought to be highly dependent upon selection criteria. We retrospectively analyzed a series of patients to determine the likelihood of treatment success for patients treated with radiosurgery. METHODS: A retrospective analysis of 82 patients treated with linear accelerator radiosurgery was undertaken with a median ...
Cho Sung Ki - - 2008
OBJECTIVE: To assess retrospectively the treatment results of ethanol embolization of peripheral arteriovenous malformations (AVMs) with a dominant outflow vein (DOV). MATERIALS AND METHODS: Nineteen patients who had peripheral AVMs with a DOV were enrolled in this study (mean age, 29.7 years; range, 15-42 years). Fifty-one ethanol embolizations (mean, 2.7; ...
Flint Alexander C - - 2008
Decompressive hemicraniectomy is commonly performed in patients with traumatic brain injury (TBI) with diffuse brain swelling or refractory raised intracranial pressure. Expansion of hemorrhagic contusions in TBI patients is common, but its frequency following decompressive hemicraniectomy has not been well established. The aim of this retrospective study was to determine ...
Uchiyama Daiji - - 2008
PURPOSE: The aim of this study was to evaluate the indications, efficacy, and safety of arterial catheterization and embolization for the management of emergent or anticipated massive obstetrical hemorrhage and its effects on menses and fertility. MATERIALS AND METHODS: Eighteen patients underwent arterial catheterization and embolization for intractable obstetrical hemorrhage ...
Gellner V - - 2008
OBJECTIVE: To date, the efficacy and safety of repeat radiosurgery (RS) for trigeminal neuralgia (TN) is based mainly on short term results. METHODS: Between 1994 and 2006, 93 patients were treated by RS for TN at the Department of Neurosurgery, Graz, Austria. 22 patients underwent repeat gamma knife radiosurgery (GKRS) ...
Pan David Hung-Chi - - 2008
OBJECT: Studies on the efficacy of arteriovenous malformation (AVM) radiosurgery have largely been conducted in the adult population. Clinically, the results may not always be applicable to pediatric patients. Moreover, studies involving the pediatric population have largely comprised small- (< 3 cm3) and medium-sized (3-10 cm3) AVMs. For large (> ...
Haris Mohammad - - 2008
PURPOSE: The aim of this study was to ascertain whether diffusion tensor imaging (DTI) metrics fractional anisotropy (FA), mean diffusivity (MD), linear case (CL), planar case (CP), spherical case (CS)-can characterize a threshold dose and temporal evolution of changes in normal-appearing white matter (NAWM) of adults with low-grade gliomas (LGGs) ...
Izawa Masahiro - - 2009
BACKGROUND: Volume reduction of large AVMs attained with endovascular embolization can be potentially helpful for their subsequent radiosurgical management. The objective of the present retrospective analysis was comparative evaluation of the long-term outcome after GKR for intracranial AVM performed with and without initial embolization of the nidus. METHODS: The long-term ...
Zoumalan Richard - - 2008
To determine the rate of hematoma formation in drainless deep-plane rhytidectomy and compare it with the rate using the same technique with the use of fibrin glue. This is a retrospective review of 605 patients (78 male and 527 female) who, over a 6-year period, underwent deep-plane face-lift surgery (n ...
Esteves Sérgio Carlos Barros - - 2008
OBJECTIVE: To evaluate results achieved with radiosurgery and complications of the procedure when treating arteriovenous malformations with linear accelerator. METHODS: This retrospective study was conducted between October 1993 and December 1996. Sixty-one patients with arteriovenous malformations were treated with radiosurgery utilizing a 6MV energy linear accelerator. Ages of the 32 ...
Buis D R - - 2008
OBJECTIVE: The authors describe their experience in treating 22 children with a single brain arteriovenous malformation (bAVM) using a dedicated LINAC stereotactic radiosurgery unit. METHODS: The findings of 22 consecutive patients < or = 18 years of age who underwent radiosurgery for a single bAVM and with at least 24 ...
Tzourio C - - 2008
OBJECTIVE: The apolipoprotein E (APOE) polymorphism is an established risk factor for intracerebral hemorrhage (ICH) that is related to cerebral amyloid angiopathy in the white population. Among Asian populations, although ICH represents up to one third of all strokes and has high rates of mortality and morbidity, the role of ...
Asgari S - - 2008
OBJECTIVE: We retrospectively analyzed a series of patients who deteriorated after resection of an intracranial meningioma due to extensive brain edema (EBE) with regard to etiology of the neurological worsening and outcome. METHODS: Out of a series of 376 consecutive patients who underwent resection of an intracranial meningioma, 13 (3.5%) ...
Guthikonda Bharat - - 2008
EDUCATIONAL OBJECTIVE: At the conclusion of this presentation, the participants should be able to understand the contemporary assessment and management algorithm used in the evaluation and care of patients with trigeminal schwannomas. OBJECTIVES: 1) Describe the contemporary neuroradiographic studies for the assessment of trigeminal schwannoma; 2) review the complex skull ...
Wedderburn Catherine J CJ Division of Clinical Neurosciences, University of Edinburgh, Western General Hospital, Edinburgh, - - 2008
The decision about whether to treat an unruptured brain arteriovenous malformation (AVM) depends on a comparison of the estimated lifetime risk of intracranial haemorrhage with the risks of interventional treatment. We aimed to test whether outcome differs between adults who had interventional AVM treatment and those who did not. All ...
Cho Der-Yang - - 2008
BACKGROUND: The decision to administer conservative or surgical treatment for putaminal and thalamic ICH is still a controversial issue. This study was undertaken to examine the decision-making criteria for these 2 treatments. METHODS: In a retrospective study, case records of 400 patients with spontaneous putaminal and thalamic hemorrhage who underwent ...
Haris M - - 2008
AIM: To assess the most useful dynamic contrast-enhanced (DCE) magnetic resonance imaging (MRI) index in the evaluation of the therapeutic response in brain tuberculoma (BT) patients. SUBJECTS AND METHODS: Twenty-three patients with 25 BT lesions were serially evaluated using DCE MRI. All lesions were classified into two groups: group I ...
Hänggi D - - 2008
BACKGROUND: A large number of reports have analysed epidemiology, pathogenesis, symptomatology, diagnostics and options for medical and surgical treatment of intracerebral haemorrhage. Nevertheless, management still remains controversial. The purpose of the present review is to summarise the clinical data and derive a current updated management concept as a result. METHODS: ...
Mirsad Hodzic
Introduction: Till the end of the 1980s, frame-based stereotaxy was the standard method for accurately localizing small brain lesions by introducing catheters into the lesion or for determining the tumor volume in space. The objective of this study was to analyze the caracteristics of frame-based stereotactic localization of brain lesion ...
Wang Y F - - 2008
The aim of this clinical study was to determine the optimal time-window for surgical treatment of spontaneous intracerebral hemorrhage (ICH). From January 1998 to September 2000, 17 hospitals in Shanghai participated in a prospective randomized controlled trial. Among a consecutive series of 500 patients with spontaneous ICH, 234 underwent medical ...
Christian Elmar - - 2008
Radiotherapy (RT) is an important treatment option for emergencies in oncology. A multicenter patterns of care study (PCS) was conducted in all RT institutions in Germany, Austria and Switzerland. In 2003 a standardized structured questionnaire was sent to all RT institutions. Number and type of staff involved, number of patients, ...
Williamson Richard - - 2008
BACKGROUND: Although uncommon, adverse radiation effects (ARE) are a potentially serious side effect of brain stereotactic radiosurgery (SRS). Corticosteroids are used to treat suspected ARE but side effects may be significant after long-term usage. Oral pentoxifylline (Ptx) and vitamin E therapy (VitE) are reported to benefit ARE seen in other ...
von Hoff Katja - - 2008
BACKGROUND: To investigate the neuropsychological outcome of children treated with surgery and posterior fossa irradiation for localized infratentorial ependymoma. METHODS: 23 patients (age 0.3 - 14 years at diagnosis) who were treated with local posterior fossa irradiation (54 Gy) underwent one (4 patients) or sequential (19 patients) neuropsychologic evaluation. The ...
Wang Ernest - - 2008
BACKGROUND: While the management of primary intracerebral hemorrhage (ICH) remains controversial, there remains a subset of patients that undergo clot evacuation. This study aims to characterize brain physiology and biochemistry after surgery for this condition. METHODS: Thirty-six consecutive patients requiring ventilation for primary ICH had intracranial pressure (ICP), tissue oxygenation ...
Lim Jae Kwan - - 2008
BACKGROUND: We focused on the cause of hematoma expansion after admission because the volume of hematoma after S-ICH plays a crucial role in the cause of mortality and morbidity. METHODS: In a retrospective review, 51 patients with hematoma expansion of S-ICH were identified among 880 cases of S-ICH treated between ...
De Salles A A F - - 2008
INTRODUCTION: Radiosurgery evolved from brain to spine. Mechanical and computer advances in linear accelerator (LINAC) radiosurgery apply precise single/fractional stereotactic radiation to multiple pathologies. METHODS: During a 10-year span the senior author used proton-beam radiosurgery in over 300 lesions, followed by gamma-knife, adapted and dedicated LINACS, including cyber-knife, in another ...
Baghi Ahmad-Reza - - 2008
TO COMPARE SPHERICAL ABERRATION AND CONTRAST SENSITIVITY WITH TWO DIFFERENT TYPES OF ASPHERIC POSTERIOR CHAMBER INTRAOCULAR LENSES (PCIOLS): Tecnis Z9000 versus Akreos AO. Thirty-four eyes of 34 patients undergoing phacoemulsification for senile cataracts were randomly assigned to implantation of Tecnis Z9000 or Akreos AO PCIOLs. Outcome measures included best-corrected visual ...
Chandhanayingyong Chandhanarat - - 2008
Sacral schwannoma is a rare retrorectal tumor in adults. Postoperative sacral neurological deficit is difficult to avoid. Currently, there is no established consensus regarding best treatment options. We present the management and outcomes of sacral schwannoma in 4 patients treated with intralesional curettage and postoperative radiation. There were 3 women ...
Heller Justin B - - 2008
Controversy abounds as to how craniosynostosis affects intracranial volume and whether more extensive procedures achieve superior results. Intracranial volume and cephalic index were evaluated among nonsyndromic sagittal synostosis patients undergoing cranioplasty. Twenty-four children with isolated nonsyndromic sagittal synostosis underwent a total calvarial reconstruction. Volume and cephalic index measurements were taken ...
Omeis Ibrahim - - 2008
OBJECTIVE: To analyze the long-term clinical outcomes and complication rates associated with percutaneous balloon compression (PBC) of the trigeminal ganglion in patients with recurrent trigeminal neuralgia (TN) who were treated surgically with procedures other than PBC. METHODS: In this retrospective study, the authors reviewed the results of 29 patients who ...
Shoaib Amer - - 2008
The mini C arm is a mobile fluoroscopic device for use on extremities. It has been reported that this type of device has several advantages over a conventional C arm, the most important of which is a decreased level of radiation scatter to the surgeon. This was a case control ...
Sokolowski Mark J - - 2008
STUDY DESIGN: Prospective clinical series. OBJECTIVE: To determine the incidence, volume, and extent of postoperative epidural hematoma resulting in thecal sac compression, and to identify risk factors correlated with measured hematoma volumes. SUMMARY OF BACKGROUND DATA: Risk factors for postoperative hematoma development have been retrospectively determined in small populations of ...
Carhuapoma J Ricardo - - 2008
Recent reports suggest that when thrombolytic agents are administered within the clot, lysis rate accelerates at the expense of increased risk of worsening edema. To test this hypothesis, we report on the volumetric analysis of (1) the intraparenchymal hematoma and, (2) perihematomal edema in a cohort of ICH patients treated ...
Frenzel Tim - - 2008
Tetracyclines may be useful in preventing pathological vascular remodeling, thus decreasing the risk of spontaneous hemorrhage from brain vascular malformations. Arteriovenous malformation (AVM) and intracranial aneurysm patients undergoing noninvasive management were treated with minocycline or doxycycline (200 mg/day) up to 2 years in a prospective open-label safety pilot trial. The ...
Radaelli Franca - - 2007
Imatinib mesylate (IM) is used in the targeted therapy of chronic myelogenous leukemia and gastrointestinal stromal tumors. It is well tolerated and leads to no higher incidence of hemorrhagic events than other therapies. Of 87 patients we treated with IM for a minimum of 3 months, 10 patients (11%) developed ...
Pusztaszeri Marc - - 2007
Radiosurgery is an effective treatment for trigeminal neuralgia (TN) with minimal complications. Most experience is based on gamma knife radiosurgery (GKRS) and to a lesser extent on linear accelerators. We report our initial experience in 17 patients with TN treated by an adapted linear accelerator using the BrainLab system. The ...
Kiran Narayanam Anantha Sai - - 2007
OBJECT: This retrospective study was designed to study the outcome in children with intracranial arteriovenous malformations (AVMs) treated with Gamma Knife surgery (GKS). METHODS: One hundred and forty-two children were treated with GKS at the authors' institution between April 1997 and March 2006; of these, 103 patients with a mean ...
Zhou Liang-Fu - - 2007
BACKGROUND: Dumbbell-shaped trigeminal neurinomas are rare benign tumors with a controversy regarding their treatment and surgical approaches. We conducted an investigation on elucidating a strategy for the treatment of DSTNs. METHODS: One hundred thirty-seven patients with trigeminal neurinomas, accounting for 0.6% of all intracranial tumors and 3.8% of intracranial neurinomas, ...
Sherif Camillo - - 2008
INTRODUCTION: The optimal treatment of spinal dural arteriovenous fistulae (SDAVF) remains controversial and long-term follow-up data, especially data from multidisciplinary treatment, are rarely available. Thus, long-term outcomes following a multidisciplinary approach to the treatment of SDAVF were investigated. METHODS: The investigation included 26 patients with SDAVF treated at the authors' ...
Kim Chae-Yong - - 2007
BACKGROUND: Little is known about long-term results of gamma knife (GK) stereotactic radiosurgery (SRS) as a primary or a secondary postoperative therapy for central neurocytomas (CNs). The authors retrospectively reviewed long-term outcomes of 13 patients with CN treated with GK SRS. METHODS: Thirteen patients were treated with GK SRS as ...
Cognard C - - 2008
BACKGROUND AND PURPOSE: DAVFs (dural arteriovenous fistulas) represent one of the most dangerous types of intracranial AV shunts. Most of them are cured by arterial or venous embolization, but surgery/radiosurgery can be required in case of failure. Our goal was to reconsider the endovascular treatment strategy according to the new ...
Nogueira R G - - 2008
BACKGROUND AND PURPOSE: Onyx was recently approved for the treatment of pial arteriovenous malformations, but its use to treat dural arteriovenous fistulas (DAVFs) is not yet well established. We now report on the treatment of intracranial DAVFs using this nonadhesive liquid embolic agent. MATERIALS AND METHODS: We performed a retrospective ...
Jayaraman M V - - 2008
BACKGROUND AND PURPOSE: Embolization of arteriovenous malformations (AVMs) is commonly used to achieve nidal volume reduction before microsurgical resection or stereotactic radiosurgery. The purpose of this study was to examine the overall neurologic complication rate in patients undergoing AVM embolization and analyze the factors that may determine increased risk. MATERIALS ...
Corkill Rufus A - - 2007
OBJECT: The aim of this study was to analyze the endovascular treatment results of using the Onyx liquid embolic system for spinal intramedullary arteriovenous malformations (AVMs). METHODS: The clinical and radiological records of 17 patients with symptomatic spinal intramedullary AVMs treated exclusively by embolization with Onyx between 1999 and 2003 ...
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