نتایج جستجو برای: intensity modulated radiation therapy
تعداد نتایج: 1060087 فیلتر نتایج به سال:
PURPOSE Technological advances in radiation therapy (RT) delivery have the potential to reduce errors via increased automation and built-in quality assurance (QA) safeguards, yet may also introduce new types of errors. Intensity-modulated RT (IMRT) is an increasingly used technology that is more technically complex than three-dimensional (3D)-conformal RT and conventional RT. We determined the ...
BMI: Body Mass Index; RT: Radiation Therapy; EBRT: External Beam Radiation Therapy; BT: Brachytherapy; IGRT: Image Guided Radiation Therapy; BCR: Biochemical Recurrence; OS: Overall Survival; ADT: Androgen Deprivation Therapy; IMRT: Intensity Modulated Radiation Therapy; PCS: Physical Component Scale; EPIC: Expanded Prostate Cancer Index Composite Scoring System; SF-12: Short Form Health Survey...
Cancer is one of the principal causes of mortality in the modern world. There are different treatment methods available for cancer such as surgery, chemotherapy, radiotherapy, and hormone therapy. About 40% of all cancer patients receive radiotherapy during their illness for treatment or for local control or symptomatic palliation. In clinical radiation oncology, the final aim is to attain unco...
introduction: intensity modulated radiation therapy (imrt) is one of the cancer treatment methods. it is important to selectively aim at the target in this way, which can be performed using a multileaf collimator (mlc). materials and methods: in order to specifically irradiate the target volume in radiotherapy to reduce the patient absorbed dose, the use of multileaf collimator has been investi...
Dosimetric comparisons between RapidArc (RA) and conventional Intensity-Modulated Radiation Therapy (IMRT) techniques for nasopharyngeal carcinoma (NPC) were performed to address differences in dose coverage of the target, sparing of organs-at-risk (OARs), delivery of monitor units (MUs) and time, to assess whether the RA technique was more beneficial for treatment of NPC. Eight NPC patients (S...
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