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Robotic stereotactic

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https://www.readbyqxmd.com/read/28599663/salvage-robotic-sbrt-for-local-prostate-cancer-recurrence-after-radiotherapy-preliminary-results-of-the-oscar-lambret-center
#1
Thomas Leroy, Thomas Lacornerie, Emilie Bogart, Philippe Nickers, Eric Lartigau, David Pasquier
BACKGROUND: Currently, there is no standard option for local salvage treatment for local prostate cancer recurrence after radiotherapy. Our objective was to investigate the feasibility and efficiency of Robotic Stereotactic Body Radiation Therapy (SBRT) in this clinical setting. METHODS/MATERIALS: We retrospectively reviewed patients who were treated at our institution with SBRT for local prostate cancer recurrence after External Beam Radiation Therapy (EBRT) or brachytherapy...
June 9, 2017: Radiation Oncology
https://www.readbyqxmd.com/read/28598265/robot-assisted-endoscopic-third-ventriculostomy-institutional-experience-in-9-patients
#2
Reid Hoshide, Mark Calayag, Hal Meltzer, Michael L Levy, David Gonda
OBJECTIVE The endoscopic third ventriculostomy (ETV) is an established and effective treatment for obstructive hydrocephalus. In its most common application, surgeons plan their entry point and the endoscope trajectory for the procedure based on anatomical landmarks, then control the endoscope freehand. Recent studies report an incidence of neural injuries as high as 16.6% of all ETVs performed in North America. The authors have introduced the ROSA system to their ETV procedure to stereotactically optimize endoscope trajectories, to reduce risk of traction on neural structures by the endoscope, and to provide a stable mechanical holder of the endoscope...
June 9, 2017: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/28587014/stereotactic-robotic-radiosurgery-for-1-3-brain-metastases-from-non-small-cell-lung-cancer-a-single-institutional-experience-from-south-india
#3
L G, V Agarwal, K Swamy, S Bhattacharjee, R Rao, B Ajai Kumar, S Ps
No abstract text is available yet for this article.
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28586960/preliminary-results-of-a-phase-1-dose-escalation-trial-for-early-stage-breast-cancer-using-5-fraction-stereotactic-body-radiation-therapy-for-partial-breast-irradiation
#4
Asal Rahimi, Kimberly Thomas, Ann Spangler, Roshni Rao, Marilyn Leitch, Rachel Wooldridge, Aeisha Rivers, Stephen Seiler, Kevin Albuquerque, Stella Stevenson, Sally Goudreau, Dan Garwood, Barbara Haley, David Euhus, John Heinzerling, Chuxiong Ding, Ang Gao, Chul Ahn, Robert Timmerman
PURPOSE: To evaluate the tolerability of a dose-escalated 5-fraction stereotactic body radiation therapy for partial-breast irradiation (S-PBI) in treating early-stage breast cancer after partial mastectomy; the primary objective was to escalate dose utilizing a robotic stereotactic radiation system treating the lumpectomy cavity without exceeding the maximum tolerated dose. METHODS AND MATERIALS: Eligible patients included those with ductal carcinoma in situ or invasive nonlobular epithelial histologies and stage 0, I, or II, with tumor size <3 cm...
May 1, 2017: International Journal of Radiation Oncology, Biology, Physics
https://www.readbyqxmd.com/read/28580377/optimization-of-curvilinear-needle-trajectories-for-transforamenal-hippocampotomy
#5
David B Comber, E Bryn Pitt, Hunter B Gilbert, Matthew W Powelson, Emily Matijevich, Joseph S Neimat, Robert J Webster, Eric J Barth
BACKGROUND: The recent development of MRI-guided laser-induced thermal therapy (LITT) offers a minimally invasive alternative to craniotomies performed for tumor resection or for amygdalohippocampectomy to control seizure disorders. Current LITT therapies rely on linear stereotactic trajectories that mandate twist-drill entry into the skull and potentially long approaches traversing healthy brain. The use of robotically-driven, telescoping, curved needles has the potential to reduce procedure invasiveness by tailoring trajectories to the curved shape of the ablated structure and by enabling access through natural orifices...
February 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28579341/percutaneous-ultrasound-guided-fiducial-marker-placement-for-liver-cancer-robotic-stereotactic-radio-surgery-treatment-a-comparative-analysis-of-three-types-of-markers-and-needles
#6
Maria Marsico, Tommaso Gabbani, Sarah Lunardi, Andrea Galli, Maria Rosa Biagini, Vito Annese
BACKGROUND AND STUDY AIMS: Percutaneous placement of fiducial markers is required to perform stereotactic body radiation therapy (SBRT) for liver neoplastic lesions. This prospective trial was designed to evaluate the feasibility and safety of percutaneous ultrasound-guided placement of three different types of markers in patients with liver cancer referred for SBRT. PATIENTS AND METHODS: Fifty patients underwent percutaneous ultrasound-guided implantation of a fiducial marker in the liver...
June 1, 2017: Arab Journal of Gastroenterology: the Official Publication of the Pan-Arab Association of Gastroenterology
https://www.readbyqxmd.com/read/28567503/planning-benchmark-study-for-sbrt-of-early-stage-nsclc-results-of-the-degro-working-group-stereotactic-radiotherapy
#7
Christos Moustakis, Oliver Blanck, Fatemeh Ebrahimi Tazehmahalleh, Mark Ka Heng Chan, Iris Ernst, Thomas Krieger, Marciana-Nona Duma, Markus Oechsner, Ute Ganswindt, Christian Heinz, Horst Alheit, Hilbert Blank, Ursula Nestle, Rolf Wiehle, Christine Kornhuber, Christian Ostheimer, Cordula Petersen, Gerhard Pollul, Wolfgang Baus, Georg Altenstein, Eric Beckers, Katrin Jurianz, Florian Sterzing, Matthias Kretschmer, Heinrich Seegenschmiedt, Torsten Maass, Stefan Droege, Ulrich Wolf, Juergen Schoeffler, Uwe Haverkamp, Hans Theodor Eich, Matthias Guckenberger
PURPOSE: The aim was to evaluate stereotactic body radiation therapy (SBRT) treatment planning variability for early stage nonsmall cell lung cancer (NSCLC) with respect to the published guidelines of the Stereotactic Radiotherapy Working Group of the German Society for Radiation Oncology (DEGRO). MATERIALS AND METHODS: Planning computed tomography (CT) scan and the structure sets (planning target volume, PTV; organs at risk, OARs) of 3 patients with early stage NSCLC were sent to 22 radiotherapy departments with SBRT experience: each department was asked to prepare a treatment plan according to the DEGRO guidelines...
May 31, 2017: Strahlentherapie und Onkologie: Organ der Deutschen Röntgengesellschaft ... [et Al]
https://www.readbyqxmd.com/read/28544809/robotic-radiosurgery-of-head-and-neck-paragangliomas-a-single-institution-experience
#8
İlker Tosun, Banu Atalar, Bilgehan Şahin, Görkem Güngör, Gökhan Aydin, Bülent Yapici, Enis Özyar
AIM: CyberKnife(®) is a robotic stereotactic radiotherapy system. The aim of this study is to evaluate the effectiveness and the safety of CyberKnife(®) on treating head and neck paragangliomas and to report our results. METHODS: Between March 2009 and June 2014, 12 patients with head and neck paragangliomas have been referred to our clinic: in three cases had jugular paragangliomas, five cases had carotid body paragangliomas and three cases had tympanic paragangliomas...
May 24, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/28535920/cyberknife%C3%A2-m6%C3%A2-peripheral-dose-evaluation-for-brain-treatments
#9
N Delaby, J Bellec, J Bouvier, F Jouyaux, M Perdrieux, J Castelli, I Lecouillard, J P Manens, C Lafond
PURPOSE: This study evaluates the peripheral dose (PD) delivered to healthy tissues for brain stereotactic radiotherapy treatments (SRT) performed with a CyberKnife M6™ Robotic Radiosurgery System and proposes a model to estimate PD before treatment. METHOD: PD was measured with thermoluminescent dosimeters. Measurements were performed to evaluate the influence of distance, collimator type (fixed or Iris™) and aperture size on PD for typical brain treatment plans simulated on an anthropomorphic phantom...
May 2017: Physica Medica: PM
https://www.readbyqxmd.com/read/28514930/hypofractionated-stereotactic-body-radiotherapy-for-localized-prostate-cancer-first-nordic-clinical-experience
#10
Kristiina Koskela, Jan-Erik Palmgren, Janne Heikkilä, Heli Virsunen, Liisa Sailas, Päivi Auvinen, Jan Seppälä, Vesa Kataja
BACKGROUND: The use of hypofractionated stereotactic body radiotherapy (SBRT) as primary treatment modality in clinically localized prostate cancer (PCa) is emerging, because the low α/β-ratio favors the use of high dose per fraction in PCa. There is a need for more data about SBRT, especially in high-risk PCa patients. The purpose of this retrospective study was to evaluate the safety and the short-term efficacy of robotic SBRT in a clinical patient cohort with localized PCa including also high-risk patients (D'Amico risk stratification)...
July 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28490981/robotic-radiosurgery-for-the-treatment-of-liver-metastases
#11
Rafael García, Iciar Santa-Olalla, Jose Luis Lopez Guerra, Silvia Sanchez, Ignacio Azinovic
AIM: This study evaluates the toxicity and outcome in patients treated with robotic radiosurgery for liver metastases. BACKGROUND: Modern technologies allow the delivery of high doses to the liver metastases while lowering the dose to the neighboring organs at risk. Whether this dosimetric advantage translates into clinical benefit is not well known yet. METHODS AND MATERIALS: A total of 9 patients with 17 liver metastases have been treated with robotic stereotactic body radiotherapy SBRT from March 2011 to December 2014...
March 2017: Reports of Practical Oncology and Radiotherapy
https://www.readbyqxmd.com/read/28484885/the-comparative-accuracy-of-the-rosa-stereotactic-robot-across-a-wide-range-of-clinical-applications-and-registration-techniques
#12
Nicholas J Brandmeir, Sandip Savaliya, Pratik Rohatgi, Michael Sather
Robot-assisted stereotactic neurosurgery is an emerging technology with a growing range of applications. The ROSA system is a robotic stereotactic system that has been shown to be accurate in laboratory studies and large case series. The goal of this study was to examine the accuracy of the ROSA across different registration methods as well as different clinical applications. Sixteen patients with one hundred and seventeen stereotactic trajectories were examined. Accuracy was compared by measuring the distance between the trajectory target and the actual termination of the device as determined by imaging...
May 8, 2017: Journal of Robotic Surgery
https://www.readbyqxmd.com/read/28475758/a-technical-report-of-robot-assisted-stereotactic-percutaneous-rhizotomy
#13
Nicholas J Brandmeir, Michael D Sather
No abstract text is available yet for this article.
May 5, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
https://www.readbyqxmd.com/read/28463617/robot-assisted-procedures-in-pediatric-neurosurgery
#14
Alessandro De Benedictis, Andrea Trezza, Andrea Carai, Elisabetta Genovese, Emidio Procaccini, Raffaella Messina, Franco Randi, Silvia Cossu, Giacomo Esposito, Paolo Palma, Paolina Amante, Michele Rizzi, Carlo Efisio Marras
OBJECTIVE During the last 3 decades, robotic technology has rapidly spread across several surgical fields due to the continuous evolution of its versatility, stability, dexterity, and haptic properties. Neurosurgery pioneered the development of robotics, with the aim of improving the quality of several procedures requiring a high degree of accuracy and safety. Moreover, robot-guided approaches are of special interest in pediatric patients, who often have altered anatomy and challenging relationships between the diseased and eloquent structures...
May 2017: Neurosurgical Focus
https://www.readbyqxmd.com/read/28462852/stereotactic-robotic-body-radiotherapy-for-patients-with-unresectable-hepatic-oligorecurrence
#15
Patrick Berkovic, Akos Gulyban, Paul Viet Nguyen, David Dechambre, Philippe Martinive, Nicolas Jansen, Ferenc Lakosi, Levente Janvary, Philippe A Coucke
BACKGROUND: The purpose of this study was to analyze local control (LC), liver progression-free survival (PFS), and distant PFS (DFS), overall survival (OS), and toxicity in a cohort of patients treated with stereotactic body radiotherapy (SBRT) with fiducial tracking for oligorecurrent liver lesions; and to evaluate the potential influence of lesion size, systemic treatment, physical and biologically effective dose (BED), treatment calculation algorithms and other parameters on the obtained results...
March 21, 2017: Clinical Colorectal Cancer
https://www.readbyqxmd.com/read/28438431/phantom-to-clinic-development-of-hypofractionated-stereotactic-body-radiotherapy-for-early-stage-glottic-laryngeal-cancer
#16
Chuxiong Ding, Stephen G Chun, Baran D Sumer, Lucien A Nedzi, Ramzi E Abdulrahman, John S Yordy, Pam Lee, Brian Hrycushko, Timothy D Solberg, Chul Ahn, Robert D Timmerman, David L Schwartz
The purpose of this study was to commission and clinically test a robotic stereotactic delivery system (CyberKnife, Sunnyvale, CA) to treat early-stage glottic laryngeal cancer. We enrolled 15 patients with cTis-T2N0M0 carcinoma of the glottic larynx onto an institutional review board (IRB)-approved clinical trial. Stereotactic body radiotherapy (SBRT) plans prescribed 45 Gy/10 fractions to the involved hemilarynx. SBRT dosimetry was compared with (1) standard carotid-sparing laryngeal intensity-modulated radiation therapy (IMRT) and (2) selective hemilaryngeal IMRT...
July 2017: Medical Dosimetry: Official Journal of the American Association of Medical Dosimetrists
https://www.readbyqxmd.com/read/28350952/future-advances-in-spine-surgery-the-aospine-north-america-perspective
#17
Michael G Fehlings, Christopher S Ahuja, Thomas Mroz, Wellington Hsu, James Harrop
This focus issue highlights state-of-the-art techniques, equipment, and practices in the modern era of spine surgery while providing a glimpse into the next generation of patient care. A broad range of topics are presented to cover the full spectrum of the field. Degenerative diseases are discussed in a series of 3 articles on (1) pathophysiology, management, and surgical approaches to degenerative cervical myelopathy; (2) novel approaches to degenerative thoracolumbar disease (eg, interspinous process spacers, minimally invasive/endoscopic approaches); and (3) animal models and emerging therapeutics in degenerative disk disease...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28350950/spine-oncology-metastatic-spine-tumors
#18
David Choi, Mark Bilsky, Michael Fehlings, Charles Fisher, Ziya Gokaslan
Surgery for spinal metastases remains the mainstay treatment for pain, instability, and neurological deterioration due to tumor infiltration of the spine. However, several new therapies are emerging which may improve outcomes further, and in some cases even replace the need for surgery. We now have a better understanding of which factors influence survival and quality of life after surgery, and this underpins the development and application of new treatments, and assessment of outcome.Depending on genetic subtyping of tumors, novel immunotherapies and chemotherapies may be very effective in prolonging quality of life...
March 1, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28348940/minimally-invasive-robotic-laser-corpus-callosotomy-a-proof-of-concept
#19
Harminder Singh, Walid I Essayed, Sayantan Deb, Caitlin Hoffman, Theodore H Schwartz
INTRODUCTION: We describe the feasibility of using minimally invasive robotic laser interstitial thermotherapy (LITT) for achieving an anterior two-thirds as well as a complete corpus callosotomy. METHODS: Ten probe trajectories were plotted on normal magentic resonance imaging (MRI) scans using the Brainlab Stereotactic Planning Software (Brainlab, Munich, Germany). The NeuroBlate® System (Monteris Medical, MN, USA) was used to conform the thermal burn to the corpus callosum along the trajectory of the probe...
February 10, 2017: Curēus
https://www.readbyqxmd.com/read/28324876/re-irradiation-of-locoregional-nsclc-recurrence-using-robotic-stereotactic-body-radiotherapy
#20
Cemile Ceylan, Andaç Hamacı, Hande Ayata, Kezban Berberoglu, Ayhan Kılıç, Metin Güden, Kayıhan Engin
BACKGROUND: We evaluated the efficacy, toxicity, and dose responses of re-irradiation with stereotactic body radiotherapy (SBRT) in patients with recurrent non- small cell lung cancer (NSCLC) after previous irradiation. PATIENTS AND METHODS: 28 patients were included. Previous median radiation doses were 54 and 66 Gy. The median interval time between previous radiotherapy and SBRT was 14 months. The median follow-up time after SBRT was 9 months (range 3-93 months)...
2017: Oncology Research and Treatment
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