نتایج جستجو برای: lung imrt

تعداد نتایج: 312673  

Background: Intensity Modulated Radiotherapy (IMRT) can improve radiotherapy (RT) results by improving healthy tissue sparing. Additionally, IMRT provides more consistent dose deliveries and suppresses secondary tumor formation. RT is a principal treatment in breast cancer (BC). Aim: To evaluate the outcome of the Radiotherapy Plans (RTP) that use IMRT technique to left breast and other organs,...

A. Franko, B. Demir, C. Köksal, E.O. Göksel, M. Okutan, N. Dağoğlu, Ş. Karaman, Y. Emre Akpınar,

Background: Radiation Pneumonia (RP) is one of the most extensive side effects in Stereotactic Body Radiotherapy (SBRT) of lung cancer. SBRT are performed by means of Intensity Modulated Radiotherapy (IMRT), Intensity Modulated Arc Therapy (IMAT), CyberKnife (CK) or Helical Tomotherapy (HT) treatment methods. In this study, we performed a plan study to determine the plan parameter such as the M...

Elham Saeedzadeh, Golbarg Esmaili Saeideh Sadeghi Seied rabi Mahdavi Soraya Salmanian

Introduction:   The aim of this study is to investigate the effect of respiratory motion during radiation therapy in patient with lung cancer and comparison of dosimetric parameters between Intensity modulation radiation therapy and three-dimensional conformal radiotherapy in lung cancer.   Materials and Methods:   Two CT scan was performred for each pati...

Ahmad Shanei, Alireza Amoheidari Amir Jafari Iraj Abedi,

Introduction: Whole breast radiotherapy after breast-conserving surgery decrease the risk of local recurrence. this study investigates the dosimetric aspects of intensity modulated radiotherapy (IMRT) compared to conventional tangential wedge-based beams techniques (CTT) of the whole breast in early stages breast cancer patients.   Materials and Methods: Co...

2018
Yi Li Ji Wang Li Tan Beina Hui Xiaowei Ma Yanli Yan Chaofan Xue Xiaoting Shi Emmanuel Kwateng Drokow Juan Ren

The aim of the present study was to compare intensity-modulated radiation therapy (IMRT) and volumetric modulated arc therapy (VMAT) in irradiation of lung cancer. Plans of 14 patients were compared. The results demonstrated that in peripheral lung cancer, V5 (%) of the lung in partial-arc (PA)-VMAT was decreased compared with IMRT, single-arc (SA)-, and double partial-arc (2PA)-VMAT. V30 (%) o...

2012
Viacheslav Soyfer Yaron Meir Benjamin W Corn Dan Schifter Eliahu Gez Haim Tempelhoff Natan Shtraus

Little attention has been paid to the fact that intensity modulated radiation therapy (IMRT) techniques do not easily enable treatment with opposed beams. Three treatment plans (3 D conformal, IMRT, and combined (anterior-posterior-posterio-anterior (AP-PA) + IMRT) of 7 patients with centrally-located lung cancer were compared for exposure of lung, spinal cord and esophagus. Combined IMRT and A...

2017
Chae-Seon Hong Sang Gyu Ju Yong Chan Ahn Gyu Sang Yoo Jae Myoung Noh Dongryul Oh Kwangzoo Chung Hongryull Pyo Kwanghyun Jo

PURPOSE Radiation pneumonitis (RP) has been a challenging obstacle in treating stage III lung cancer patients. Beam angle optimization (BAO) technique for Tomotherapy was developed to reduce the normal lung dose for stage III non-small cell lung cancer (NSCLC). Comparative analyses on plan quality by 3 different Intensity-modulated radiation therapy (IMRT) methods with BAO were done. MATERIAL...

C. Koksal, E.M. Fayda, H. Bilge, K. Ozkaya, M. Okutan, N.D. Kesen, S. Kucucuk, U. Akbas, U. Kalafat,

Background: The aim of this study was to compare the differences of the dosimetric parameters between three-dimensional conformal radiotherapy (3D-CRT) and simultaneous-integrated boost intensity-modulated radiotherapy (SIB-IMRT) techniques in the prone and supine positions for breast irradiation. Materials and Methods: Ten patients underwent a computed tomography simulation in both the prone a...

Journal: :Journal of Medical and Scientific Research 2022

Though adjuvant radiotherapy has an established role in the treatment of carcinoma breast, there is concern regarding irradiation to heart and lung, more on left sided disease. Intensity Modulated Radiation Therapy (IMRT) modulates intensity radiation beams with better accuracy, sparing surrounding normal organs. But it increases integral dose healthy tissues compared 3-Dimensional Conformal (3...

Journal: :Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2005
Anurag Chandra Thomas M Guerrero H Helen Liu Susan L Tucker Zhongxing Liao Xiaochun Wang Hasan Murshed Mark D Bonnen Amit K Garg Craig W Stevens Joe Y Chang Melinda D Jeter Radhe Mohan James D Cox Ritsuko Komaki

BACKGROUND AND PURPOSE To evaluate the feasibility whether intensity-modulated radiotherapy (IMRT) can be used to reduce doses to normal lung than three-dimensional conformal radiotherapy (3 DCRT) in treating distal esophageal malignancies. PATIENTS AND METHODS Ten patient cases with cancer of the distal esophagus were selected for a retrospective treatment-planning study. IMRT plans using fo...

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