نتایج جستجو برای: radiation therapy lung tissue

تعداد نتایج: 1904926  

Mehdi Salehi Barough, Mohammad Rahgoshay Sahar Beyranvand

Introduction: Breast cancer is one of the most common known cancers in women all around the world. It is the most common cause of death in women after lung cancer. Radiotherapy is a method for therapy of cancer in which certain dose of high energy radiations is used to destruct cancer cells. Radiotherapy is designed so that radiation of eartain does to the target area in body i...

Background: The dosimetric parameters required in lung cancer radiation therapy are taken from a homogeneous water phantom; however, during treatment, the expected results are being affected because of its inhomogeneity. Therefore, it becomes necessary to quantify these deviations.Objective: The present study has been undertaken to find out inter- and intra- lung density variations and its dosi...

Journal: :Clinical cancer research : an official journal of the American Association for Cancer Research 2014
Oliver Delgado Kimberly G Batten James A Richardson Xian-Jin Xie Adi F Gazdar Aadil A Kaisani Luc Girard Carmen Behrens Milind Suraokar Gail Fasciani Woodring E Wright Michael D Story Ignacio I Wistuba John D Minna Jerry W Shay

PURPOSE Carcinogenesis is an adaptive process between nascent tumor cells and their microenvironment, including the modification of inflammatory responses from antitumorigenic to protumorigenic. Radiation exposure can stimulate inflammatory responses that inhibit or promote carcinogenesis. The purpose of this study is to determine the impact of radiation exposure on lung cancer progression in v...

2013
Nwabundo Nwankwo Aram Barbaryan Alaa M. Ali Nasir Hussain Raya Saba Suartcha Prueksaritanond Aibek E. Mirrakhimov Teresita Zdunek Nora Bucher

Radiation therapy has a solid role in the management of breast adenocarcinoma. It significantly reduces the rates of disease recurrence. Nevertheless, radiation therapy is not without side effects and patients who have undergone breast irradiation are at increased risk for lung disease, sarcomas, acute leukemia and esophageal cancer. We present a case of radiation-induced breast osteosarcoma 29...

Journal: :journal of medical signals and sensors 0
dr keyvan jabbari nazli azarmahd dr shadi babazadeh dr alireza amouheidari

radiotherapy plays an essential role in the management of breast cancer. three-dimensional conformal radiation therapy (3d-crt) is applied based on 3d image information of anatomy of patients. in three-dimensional conformal radiation therapy (3d-crt) for breast cancer one of the common techniques is tangential technique. in this project, various parameters of tangential and supraclavicular fiel...

Journal: :Asian Pacific journal of cancer prevention : APJCP 2012
Juan Wang Heng-Wei Xu Bao-Sheng Li Jian Zhang Jian Cheng

BACKGROUND Radiation therapy plays an important role in lung carcinoma treatment. However, the incidence of symptomatic radiation-induced lung injury is high. This study aimed to evaluate radioprotective effects of flavonoids extracted from Astragalus complanatus and mechanisms of action against radiation damage. METHODS Alteration in antioxidant status and levles of several cytokines were in...

Journal: :iranian journal of radiation research 0
f. bir pamukkale university, faculty of medicine, department of pathology, denizli, turkey b. baltalarlı pamukkale university, faculty of medicine, department of radiation oncology, denizli, turkey g. abban pamukkale university, faculty of medicine, department of histology, denizli, turkey n. demirkan pamukkale university, faculty of medicine, department of pathology, denizli, turkey

background: vitamin d, especially its most active metabolite 1,25-dihydroxyvitamin d₃(vit d) is essential in regulating a wide variety of biologic processes, such as regulating mesangial cell activation. the objective of this study was to assess the histopathological changes of effectiveness of vit d as a protective agent against radiation induced lung injury. materials and methods: eighteen wi...

2007
A Santhanam

Lung tumors move during breathing depending on patient's breathing conditions, thereby compromising the accurate deposition of radiation doses. It is thus important to calculate the delivered dose to various aspects of the moving tumor and the surrounding normal tissues due to change in tumor shape and location with breathing. In this abstract, we present a computer-based simulation framework t...

Journal: :Seminars in Interventional Radiology 2013

Journal: :Internal medicine 2002
Tomie Muraoka Shuji Bandoh Jiro Fujita Atsushi Horiike Tomoya Ishii Yasunori Tojo Akihito Kubo Toshihiko Ishida

Radiation therapy is commonly used for the treatment of lung cancer. However, radiation pneumonitis frequently occurs as a complication of the radiation therapy. Although corticosteroids are widely used for the treatment of radiation pneumonitis, they are not always effective. In this report, we used cyclosporin A in the treatment of a patient suffering from steroid-refractory radiation pneumon...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید