نتایج جستجو برای: neutron brachytherapy

تعداد نتایج: 54049  

آموزگار هاشمی, فرناز, حداد, پیمان, زاهدی, فاطمه, فرهان, فرشید, مهرداد, نیلی, کلاغچی, بیتا,

Background: Treatment of cervical carcinoma is routinely performed with Low Dose Rate (LDR) brachytherapy, but Brachytherapy in our department is done with Medium Dose Rate (MDR) due to the technical characteristics of the machine available here. Thus we decided to evaluate the results of this treatment in our department in a prospective study. Methods: Between March 2006 and July 2008, 140 pa...

2004
Janusz Skowronek Grzegorz Zwierzchowski Tomasz Piotrowski

Pulsed Dose Rate (PDR) treatment is a new brachytherapy modality that combines physical advantages of high-dose-rate (HDR) technology (isodose optimization and radiation safety) with radiobiological advantages of low-dose-rate (LDR) brachytherapy. Pulsed brachytherapy uses a stronger radiation source than that employed in LDR brachytherapy and provides a series of short 10 to 30 minutes long ex...

Journal: :American journal of translational research 2017
Feihong Chen Dan Wang

Development of the novel targeted therapies for glioblastoma multiforme is very important. Brachytherapy has been proven to provide a good alternative to surgical removal of the prostate, breast and cervix with reduced risk of certain long-term side effects. Thus, 125I brachytherapy was used to effect on the growth and invasion of glioma cells in vitro and in vivo. The inhibitory effect of 125I...

2015
M. J. Warren A. Eddy

This discussion paper will explore the impact of using Magnetic Resonance Imaging (MRI) in the treatment of cervical cancer with brachytherapy. It is written from the perspective of current departmental practice in the UK and aims to highlight the issues associated with using MRI as a tool for image guided brachytherapy planning. To support the discussion, a literature review was undertaken foc...

2014
Goran Marosevic Dzenita Ljuca Hasan Osmic Semir Fazlic Oliver Arsovski Dusan Mileusnic

BACKGROUND The aim of the study was to examine on the CT basis the inter-application displacement of the positions D0.1cc, D1cc and D2cc of the brachytherapy dose applied to the bladder and rectum of the patients with inoperable cervical cancer. PATIENTS AND METHODS This prospective study included 30 patients with cervical cancer who were treated by concomitant chemo-radiotherapy. HDR intraca...

2015
Fouad Aoun Ksenija Limani Alexandre Peltier Quentin Marcelis Marc Zanaty Alexandre Chamoun Marc Vanden Bossche Thierry Roumeguère Roland van Velthoven

Purpose. To evaluate postoperative morbidity and long term oncologic and functional outcomes of high intensity focused ultrasound (HIFU) compared to brachytherapy for the treatment of localized prostate cancer. Material and Methods. Patients treated by brachytherapy were matched 1 : 1 with patients who underwent HIFU. Differences in postoperative complications across the two groups were assesse...

Journal: :JAMA 2006
David R Holmes Paul Teirstein Lowell Satler Michael Sketch James O'Malley Jeffery J Popma Richard E Kuntz Peter J Fitzgerald Hong Wang Eileen Caramanica Sidney A Cohen

CONTEXT Although vascular brachytherapy is the only approved therapy for restenosis following bare-metal stent implantation, drug-eluting stents are now being used. Data on the relative merits of each are limited. OBJECTIVE To determine the safety and efficacy of the sirolimus-eluting stent compared with vascular brachytherapy for the treatment of patients with restenosis within a bare-metal ...

ژورنال: سنجش و ایمنی پرتو 2020

Recently, a new Neutron Radiography (NR) beam line has been designed, constricted, installed and tested based on the use of E-beam tube of Tehran Research Reactor (TRR). Initial tests have been shown that the system can be used for different samples and purposes such as nuclear plates and rods fuels.  For this end the system need a suitable irradiation room which should be installed at the NR b...

ژورنال: سنجش و ایمنی پرتو 2014

During the last few years, real time gamma and neutron dosimeters have been developed and semiconductor diodes are frequently used in these dosimeters. Semiconductor diodes are used to charged particle detection. For sensitizing the detector to neutrons, a converter layer is contacted on the front surfaces of them. Incident neutrons interact with the converter and produce charged particles that...

Journal: :World Journal Of Advanced Research and Reviews 2021

Context: The therapeutic transition from mutilating surgery to external radiotherapy followed by brachytherapy is increasingly effective in the treatment of rhabdomyosarcoma. Case presentation: 13-year-old child with no medical and surgical history, received for complete urine retention. Imaging examinations revealed a prostatic mass 6 cm. anatomopathological examination reveals an embryonic Th...

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