نتایج جستجو برای: crt radiotherapy
تعداد نتایج: 68636 فیلتر نتایج به سال:
Radiotherapy is one of the treatment options for locally advanced prostate cancer; however, with standard radiation doses, it is not always very effective. One of the strategies to improve the efficiency of radiotherapy is increasing the dose. In this study, to increase tumor local control rates, a new radiotherapy method, known as dose painting (DP), was investigated. To compare 3-dimensional ...
PURPOSE The purpose of this study was to compare the surface dose of 7-field IMRT (7 F-IMRT), tangential beam IMRT (TB-IMRT), and tangential beam 3D-CRT (3D-CRT) of breast cancer patients receiving adjuvant radiotherapy by means of in vivo GafChromic film dosimetry. MATERIAL AND METHODS Breast cancer patients receiving adjuvant radiotherapy of the whole breast or the chest wall were eligible ...
BACKGROUND The survival of patients with hypopharyngeal cancer is low amongst head and neck cancer cases. The incidence rates of hypopharyngeal cancers in our population are amongst the highest in the world and there are limited data available on the literature on varied responses to first course of treatment with radiotherapy (RT) and concurrent chemo-radiotherapy (CRT) in our population. MA...
PURPOSE We wanted to evaluate the role of postoperative chemoradiotherapy (CRT) for patients with locally advanced squamous cell carcinoma of the head and neck (SCCHN). MATERIALS AND METHODS From March 1993 to July 2008, 101 patients with advanced SCCHN and who had undergone macroscopically complete resection were enrolled. Survival and the cumulative incidence of local or regional relapse, m...
The purpose of this study was to evaluate the skin-sparing effects of 3-dimensional conformal radiotherapy (3D-CRT) and intensity-modulated radiotherapy (IMRT) in patients with early left-sided breast cancer. Twenty left breast cancer patients treated with whole breast radiotherapy following breast-conserving surgery were enrolled in this study, and the 3D-CRT and IMRT plans were generated for ...
Purpose: To disclose effectiveness of substitution of conformal radiotherapy (CRT) with intensity-modulated radiotherapy (IMRT) in combined with 125I permanent seed brachytherapy(BT) in reducing a rectal dose-volume parameter recently proven to be correlated with late rectal bleeding after the combined radiotherapy. Materials/Methods: A CT image set obtained a month after BT was used for CRT an...
This study prospectively evaluated quality of life (QOL) in localized prostate cancer patients undergoing radiotherapy, and it examined the relationships between QOL, depression, fatigue, and sleep disturbance. Instruments that were used are Functional Assessment of Cancer Therapy for Prostate (FACT-P), Beck Depression Inventory (BDI), Piper Fatigue Scale (PFS), and Epworth Sleepiness Scale (ES...
IMPORTANCE Comparative effectiveness research of prostate cancer therapies is needed because of the development and rapid clinical adoption of newer and costlier treatments without proven clinical benefit. Radiotherapy is indicated after prostatectomy in select patients who have adverse pathologic features and in those with recurrent disease. OBJECTIVES To examine the patterns of use of inten...
This study aimed to evaluate changes in the biodiversity of the oral microflora of patients with head and neck cancer treated with postoperative intensity-modulated radiotherapy (IMRT) or conventional radiotherapy (CRT). Pooled dental plaque samples were collected during the radiation treatment from patients receiving IMRT (n = 13) and CRT (n = 12). Denaturing gradient gel electrophoresis (DGGE...
BACKGROUND For patients with resectable rectal cancer chemoradiation (CRT) or short-course preoperative radiotherapy (SCPRT) reduces locoregional failure, without extending disease-free survival (DFS) or overall survival (OS). Compliance to postoperative adjuvant chemotherapy is poor. Neoadjuvant chemotherapy (NACT) offers an alternative strategy. METHODS A systematic computerised database se...
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