نتایج جستجو برای: 3 d conformal radiotherapy

تعداد نتایج: 2281537  

2015
Saif Ali

Prostate cancer is the one of the most commonly diagnosed cancer among men throughout the world. In the recent days, prostate cancer can be managed by several options such as surgery, chemotherapy, radiotherapy, etc. Radiotherapy is considered as one of the popular options to treat prostate cancer due to excellent survival rate and fewer side effects. The field of radiotherapy is evolving since...

2014
Claire Lemanski Juliette Thariat Federico L. Ampil Satya Bose Jacqueline Vock Rick Davis Alexander Chi Suresh Dutta William Woods Anand Desai Juan Godinez Ulf Karlsson Melissa Mills Nam Phong Nguyen Vincent Vinh-Hung

Patients with left-sided breast cancer are at risk of cardiac toxicity because of cardiac irradiation during radiotherapy with the conventional 3-dimensional conformal radiotherapy technique. In addition, many patients may receive chemotherapy prior to radiation, which may damage the myocardium and may increase the potential for late cardiac complications. New radiotherapy techniques such as in...

2015
Suresh Dutta Nam Phong Nguyen Jacqueline Vock Christine Kerr Juan Godinez Satya Bose Siyoung Jang Alexander Chi Fabio Almeida William Woods Anand Desai Rick David Ulf Lennart Karlsson Gabor Altdorfer

Conventional radiotherapy for cervical cancer relies on clinical examination, 3-dimensional conformal radiotherapy (3D-CRT), and 2-dimensional intracavitary brachytherapy. Excellent local control and survival have been obtained for small early stage cervical cancer with definitive radiotherapy. For bulky and locally advanced disease, the addition of chemotherapy has improved the prognosis but t...

Journal: :International journal of radiation oncology, biology, physics 2007
Zsuzsanna Kahán Melinda Csenki Zoltán Varga Elemér Szil Adrienn Cserháti Attila Balogh Zsófia Gyulai Yvette Mándi Krisztina Boda László Thurzó

PURPOSE To study the risks of early and late radiogenic lung damage in breast cancer patients after conformal radiotherapy. METHODS AND MATERIALS Radiogenic lung sequelae were assessed prospectively in 119 patients by means of clinical signs, radiologic abnormalities, and the mean density change (MDC) of the irradiated lung on CT. RESULTS Significant positive associations were detected betw...

Ahmad Bitarafan rajabi Khadijeh Bamneshin, Parham Geramifar Seied Rabi Mahdavi,

Introduction: Modern radiotherapy (RT) techniques allow a highly precise deposition of the radiation dose in tumor. So, high conformal tumor doses can be reached while sparing critical organs at risk. Materials and Methods: This study was conducted in three phases. In the first phase; Fourteen patients with primary or recurrent prostate cancer receive Gallium-...

Journal: :Iraqi journal of science 2022

Modern radiotherapy facilities like 3-Dimensional conformal radio therapy (3DCRT), Intensity Modulated Radiotherapy (IMRT), were recently suggested in Co-60 machine with Multi-leaf Collimator (MLC). In this study, two reference chambers NE-2571#1205 and NE2581#537 used for absolute dose measurement Equinox accelerator. A comparison of by different IAEA protocols TRS-277 TRS-398 has been studied...

Journal: :Genetics and molecular research : GMR 2015
P Wei Z H Zhang L Li X L Du C P Shan X G Sheng

This retrospective study aimed to observe the cura-tive effect and adverse reactions of three-dimensional conformal radiotherapy combined with topotecan chemotherapy in patients with platinum-resistant recurrent epithelial ovarian carcinoma. The chemoradiotherapy group (N = 22) received 15 mv X-rays with 1.8 to 2.0 Gy/f/d radiation, 5 times per week. The total dose was 45 to 65 Gy; the median d...

Introduction: Radiotherapy is a common treatment modality for patients with head and neck malignancies. As the nose lies within the field of radiotherapy of the head and neck, the olfactory fibers and olfactory receptors may be affected by radiation. The aim of this study was to evaluate changes in olfactory threshold in patients with head and neck malignancies who have received radiation to th...

2010

ID: 13564 Title: A novel conformal arc technique for postoperative whole pelvic radiotherapy of endometrial cancer Introduction: Conventional whole pelvic radiotherapy (WPRT) with three-dimensional conformal radiotherapy (3D-CRT) exposes most of the contents of the true pelvis to the prescribed dose. Intensity-modulated radiation therapy (IMRT) provides more conformal dose distribution and bett...

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