نتایج جستجو برای: stereotactic

تعداد نتایج: 11615  

Journal: :Cancer control : journal of the Moffitt Cancer Center 2007
Michael A Finn Frank D Vrionis Meic H Schmidt

BACKGROUND Metastatic tumor in the spinal column is common, causing symptomatic spinal cord compression in approximately 25,000 patients annually. Although surgical treatment of spinal metastases has become safer, less invasive, and more efficacious in recent years, there remains a subset of patients for whom other treatment modalities are needed. Stereotactic radiosurgery, which has long been ...

2013
J. Dawn Waters David D. Gonda Hasini Reddy Ekkehard M. Kasper Peter C. Warnke Clark C. Chen

BACKGROUND Stereotactic brain biopsies are widely used for establishing the diagnosis of intracranial lesions. Here we examine whether stereotactic biopsy of smaller brain lesions, defined for this study as being less than 1 cubic centimeter (1 cc) in volume, are associated with lowered diagnostic yield. METHODS We conducted a retrospective analysis of 267 consecutive patients who underwent s...

Journal: :Radiation Oncology (London, England) 2009
Coen W Hurkmans Johan P Cuijpers Frank J Lagerwaard Joachim Widder Uulke A van der Heide Danny Schuring Suresh Senan

BACKGROUND A phase III multi-centre randomised trial (ROSEL) has been initiated to establish the role of stereotactic radiotherapy in patients with operable stage IA lung cancer. Due to rapid changes in radiotherapy technology and evolving techniques for image-guided delivery, guidelines had to be developed in order to ensure uniformity in implementation of stereotactic radiotherapy in this mul...

2008
Miroslav Kalina Roman Liščk Eva Adámková Tomáš Procházka Iva Marečková Vilidald Vladyka

Objectives. Minimally invasive procedures for treating temporal lobe epilepsy have been investigated recently, namely stereotactic and gamma knife amygdalohippocampectomy (AHE). However, the results are not fully satisfactory. Our aim was to evaluate efficacy and side-effects of stereotactic AHE mimicking the neurosurgical procedure in terms of extent of the lesion. Methods. 16 consecutive pati...

Journal: :Journal of neurosurgery 2004
Michael T Selch Alessandro Pedroso Steve P Lee Timothy D Solberg Nzhde Agazaryan Cynthia Cabatan-Awang Antonio A F DeSalles

OBJECT The authors sought to assess the safety and efficacy of stereotactic radiotherapy when using a linear accelerator equipped with a micromultileaf collimator for the treatment of patients with acoustic neuromas. METHODS Fifty patients harboring acoustic neuromas were treated with stereotactic radiotherapy between September 1997 and June 2003. Two patients were lost to follow-up review. P...

2014
Putipun Puataweepong Mantana Dhanachai Somjai Dangprasert Ladawan Narkwong Chomporn Sitathanee Thiti Sawangsilpa Taweesak Janwityanujit Pornpan Yongvithisatid

Stereotactic radiosurgery (SRS) and fractionated stereotactic radiotherapy (SRT) have been recognized as an alternative to surgery for small to medium sized vestibular schwannoma (VS). This study analysed and compared the outcomes of VS treated with the first Thailand installation of a dedicated Linac-based stereotactic radiation machine using single-fraction radiosurgery (SRS), hypofraction st...

Journal: :Journal of neurosurgery 2015
Michel Lefranc Cyrille Capel Anne-Sophie Pruvot-Occean Anthony Fichten Christine Desenclos Patrick Toussaint Daniel Le Gars Johann Peltier

OBJECT Stereotactic biopsy procedures are an everyday part of neurosurgery. The procedure provides an accurate histological diagnosis with the least possible morbidity. Robotic stereotactic biopsy needs to be an accurate, safe, frameless, and rapid technique. This article reports the clinical results of a series of 100 frameless robotic biopsies using a Medtech ROSA device. METHODS The author...

2015
Keisuke TOYODA Eiichirou URASAKI Tetsuya UMENO Waka SAKAI Akiko NAGAISHI Shunya NAKANE Takayasu FUKUDOME Yuzo YAMAKAWA

Deep brain stimulation (DBS) is performed by burr hole surgery. In microelectrode recording by multi-channel parallel probe, because all microelectrodes do not always fit in the burr hole, additional drilling to enlarge the hole is occasionally required, which is time consuming and more invasive. We report a stereotactic burr hole technique to avoid additional drilling, and the efficacy of this...

Journal: :Turkish neurosurgery 2017
Songul Meltem Can Osman Nuri Turkmenoglu Canan Tanik Ender Uysal Baris Ozoner Saime Ayca Kaldirimoglu Ahmet Murat Musluman Adem Yilmaz Halit Cavusoglu Cicek Bayindir Yunus Aydin

AIM Computed tomography (CT)-guided stereotactic brain biopsy has been performed in our clinic since March 1998. In this prospective study, we examined the patient data undergoing stereotactic biopsy and the results of biopsies in 500 consecutive patients. MATERIAL AND METHODS Between the dates of March 1998 and January 2015, CT-guided stereotactic biopsies were performed by using the Leksell...

Journal: :Journal of neurology, neurosurgery, and psychiatry 1967
J F Alksne A G Fingerhut R W Rand

The development of a method for the stereotactic thrombosis of intracranial aneurysms should significantly reduce the morbidity and mortality associated with this disease. By removing the necessity for visual exposure of the aneurysm, stereotactic surgery overcomes the problems of brain retraction and manipulation of blood vessels which constitute the major limiting factors in current surgical ...

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