نتایج جستجو برای: radiosurgery

تعداد نتایج: 6073  

2008
Harish Thakrar

form. Local brain control was not defined in the abstract. In summary, three randomized trials detected an improvement in local brain control in patients treated with WBRT and radiosurgery boost compared with WBRT alone. Local brain control at one year ranged from 82–92% in the radiosurgery boost arm vs. 0–71% in the WBRT alone arm. The study by Kondziolka et al. also noted superior intracrania...

Journal: :AJNR. American journal of neuroradiology 1995
J A Mathis J D Barr J A Horton C A Jungreis L D Lunsford D S Kondziolka D Vincent S Pentheny

PURPOSE To evaluate the efficacy of combined particulate embolization and single-stage stereotactic radiosurgery in the treatment of large arteriovenous malformations (AVMs) of the brain. METHODS Twenty-four patients with large brain AVMs (diameter > 3.0 cm; volume > 14 cm3), who had previously undergone particulate embolization and stereotactic radiosurgery, were retrospectively evaluated 2 ...

Journal: :Neurosurgery 2007
Roman Liscák Vilibald Vladyka Gabriela Simonová Dusan Urgosík Josef Novotný Ladislava Janousková Josef Vymazal

OBJECTIVE Although relevant information exists regarding the chance of obliterating arteriovenous malformations (AVMs) using radiosurgery, the overall chance of cure after gamma knife radiosurgery is usually only extrapolated from a portion of all monitored patients. This chance and the risks involved in radiosurgery, including repeat treatment when necessary in a defined population of treated ...

2002
Jason Sheehan

Received, December 27, 2001. Accepted, May 31, 2002. OBJECTIVE: Hemangiopericytomas are highly aggressive meningeal tumors with tendencies for recurrence and metastasis. The purpose of this retrospective, singleinstitution review was to evaluate the efficacy and role of stereotactic radiosurgery in the management of recurrent hemangiopericytomas. METHODS: We reviewed data for patients who under...

Journal: :Turkish neurosurgery 2016
Dong Hyun Chun Moo Seong Kim Sung Tae Kim Sung Hwa Paeng Hae Woong Jeong Won Hee Lee

AIM Giant arteriovenous malformations (i.e., those greater than 6 cm maximum diameter or volume > 33 cc) are difficult to treat and often carry higher treatment morbidity and mortality rates. In our study, we reviewed the angiographic results and clinical outcomes for 11 patients with giant arteriovenous malformations who were treated between 1994 and 2012. MATERIAL AND METHODS The patients s...

ژورنال: پژوهش در پزشکی 2012
آذر, مازیار, بیطرف, محمدعلی, زالی, علیرضا, سلمانیان, ثریا, عظیمی, پریسا, شهزادی, سهراب , صادقی, سهراب , عالی خانی , مزدک ,

Abstract Background: This study was done to define the role of Graded Prognostic Assessment (GPA) score for predicting overall survival in patients diagnosed with brain metastases undergoing Gamma-knife radiosurgery. Materials and methods: Patients diagnosed with brain metastases who were candidates for Gamma-knife radiosurgery entered this cross sectional study between 2003 and 2011. Clin...

Journal: :Pediatric Blood & Cancer 2021

Radiosurgery and brachytherapy are potentially useful treatment techniques that sparingly applied in pediatric oncology. They often used the setting of reirradiation for recurrent or metastatic tumors. Reirradiation children with tumors is complicated by tolerance critical organs potential risks overall long-term dose-dependent complications. We review current literature available support use r...

2015
Samuel Ryu Hannah Yoon Alexander Stessin Fred Gutman Arthur Rosiello Raphael Davis

With the progress of image-guided localization, body immobilization system, and computerized delivery of intensity-modulated radiation delivery, it became possible to perform spine radiosurgery. The next question is how to translate the high technology treatment to the clinical application. Clinical trials have been performed to demonstrate the feasibility of spine radiosurgery and efficacy of ...

2015
Cengiz Gemici Gokhan Yaprak

Stereotactic radiosurgery is frequently used, either alone or together with whole-brain radiation therapy to treat brain metastases from solid tumors. Certain experts and radiation oncology groups have proposed replacing whole-brain radiation therapy with stereotactic radiosurgery alone for the management of brain metastases. Although randomized trials have favored adding whole-brain radiation ...

2012
Seil Sohn Chun Kee Chung

OBJECTIVE The incidence and prevalence of spinal metastases are increasing, and although the role of radiation therapy in the treatment of metastatic tumors of the spine has been well established, the same cannot be said about the role of stereotactic radiosurgery. Herein, the authors present a systematic review regarding the value of spinal stereotactic radiosurgery in the management of spinal...

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