نتایج جستجو برای: brachytherapy tg 43 formalism

تعداد نتایج: 156742  

2015
Luciana Tourinho Campos Carlos Eduardo Veloso de Almeida Qinghui Zhang

INTRODUCTION The use of high-dose-rate brachytherapy is currently a widespread practice worldwide. The most common isotope source is 192Ir, but 60Co is also becoming available for HDR. One of main advantages of 60Co compared to 192Ir is the economic and practical benefit because of its longer half-live, which is 5.27 years. Recently, Eckert & Ziegler BEBIG, Germany, introduced a new afterloadin...

2011
Pooneh Saidi Mahdi Sadeghi S. Hamed Hosseini Claudio Tenreiro

This work presents experimental dosimetry results for a new 103Pd brachytherapy seed, in accordance with the AAPM TG-43U1 recommendation that all new low-energy interstitial brachytherapy seeds should undergo one Monte Carlo (MC) and at least one experimental dosimetry characterization. Measurements were performed using TLD-GR200A circular chip dosimeters using standard methods employing thermo...

2012
Qiquan Sun Xianghua Huang Song Jiang Caihong Zeng Zhihong Liu

BACKGROUND Since the term chronic allograft nephropathy (CAN) was removed from the Banff scheme in 2005, transplant glomerulopathy (TG) has been regarded as a clinicopathological entity that is one of the major causes of graft loss. To assess the distinction between CAN and TG, we performed a comprehensive evaluation comparing TG with traditional CAN. METHODS We compared the clinicopathologic...

Journal: :Human molecular genetics 2015
Adam K Walker Kalyan Tripathy Clark R Restrepo Guanghui Ge Yan Xu Linda K Kwong John Q Trojanowski Virginia M-Y Lee

Frontotemporal dementia (FTD) causes progressive personality, behavior and/or language disturbances and represents the second most common form of dementia under the age of 65. Over half of all FTD cases are classified pathologically as frontotemporal lobar degeneration (FTLD) with TAR DNA-binding protein of 43 kDa (TDP-43) pathology (FTLD-TDP). In FTLD-TDP brains, TDP-43 is phosphorylated, C-te...

Journal: :Brachytherapy 2005
Jerrold Sharkey Alan Cantor Zucel Solc William Huff Stanley D Chovnick Raymond J Behar Ramon Perez Juan Otheguy Richard Rabinowitz

PURPOSE In an effort to shed light on the continuing debate over the best treatment options for patients with localized prostate cancer, we present a retrospective review of patients from a single group community urology practice. METHODS AND MATERIALS Data from 1707 patients were reviewed. These patients, with T1 or T2 adenocarcinoma of the prostate, were treated from 1992 to 2004 with eithe...

2008
Shahid B. Awan Sharifeh A. Dini Manzoor Hussain David Soleimani‐Meigooni Ali S. Meigooni

In 2001, the use of cylindrical coordinates was demonstrated to be more suitable than was the use of polar coordinates for accurate computer calculations during treatment planning for 192Ir intravascular brachytherapy sources. In the present work, we investigated the applicability of cylindrical coordinate-based TG-43U1 parameters for dosimetric evaluation and dose calculations for RadioCoil 10...

Journal: :Neurosurgery 1995
D C Shrieve E Alexander P Y Wen H A Fine H M Kooy P M Black J S Loeffler

The purpose of this study was to compare the efficacy of stereotactic radiosurgery (SRS) and brachytherapy in the treatment of recurrent glioblastoma multiforme (GBM). The patients had either progressive GBM or pathologically proven GBM at recurrence after previous treatment for a lower grade astrocytoma. Thirty-two patients were treated with interstitial brachytherapy, and 86 received treatmen...

2017
Ahmadreza Taheri Hojjat Molaei Mehdi Aghili Naser Rahmanpanah Atefeh Mirmohseni

BACKGROUND Keloids as unusual scars are injury remnants characterized by bizarre cosmetics and painful itching. This study assessed outcomes of surgical excision and brachytherapy in intractable keloids. METHODS Six patients with 10 keloid lesions were followed up. Surgical excision was done with 1-2 mm margin, and then radiotherapy was undertaken in 3 divided fractions on days 0, 1 and 2 aft...

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