نتایج جستجو برای: whole breast radiotherapy wbrt

تعداد نتایج: 577181  

Journal: :Neuro-oncology advances 2023

Abstract Approximately 50% of all brain metastasis cases originate from primary lung tumors. Whole-brain radiation therapy (WBRT) is a common treatment for patients with multiple metastases, but rarely survive longer than one year after diagnosis. Recent studies demonstrate improved outcomes combinatorial radiotherapy and immunotherapy, the optimal timing immunotherapy administration unclear. E...

Journal: :Radiotherapy and oncology : journal of the European Society for Therapeutic Radiology and Oncology 2013
George Rodrigues Jaap Zindler Andrew Warner Glenn Bauman Suresh Senan Frank Lagerwaard

PURPOSE To compare lesional stereotactic radiosurgery to whole brain (WBRT) radiotherapy with simultaneous in-field boost for brain metastases in terms of overall survival. METHODS A retrospective review was performed on two institutional databases of 500 patients diagnosed with brain metastatic disease who received either stereotactic radiosurgery (SRS, n = 381) or whole brain with simultane...

2013
Xin Chen Jing ZhiMao Hong YuZhuo Guang Peng Xin Wu Yi Feng Feng Wang

A16-year-old male was admitted in hospital because of frontal and temporal melanoma. There were congenital giant nevi on his back and head. Positron emission computed tomography revealed no extra-cranial primary lesion. He underwent surgery, whole-brain radiotherapy (WBRT), and chemotherapy; but he could not be saved and died 6 months after establishing diagnosis.

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...

2015
Swee-Ling Wong Ruheena Mendes Siow Ming Lee

Non-small cell lung cancer (NSCLC) constitutes approximately 85% of all lung cancers, with the majority of patients having advanced disease at presentation. Between 10-20% present with brain metastases (BM) and up to 40% of patients will develop BM. The overall median survival is reported to average three to four months if treated with whole brain radiotherapy (WBRT) alone. Management of BM pat...

2013
Carsten Nieder Oddvar Spanne Ellinor Haukland Astrid Dalhaug

Aims. To evaluate whether reduced waiting time influences survival of patients treated with whole-brain radiotherapy (WBRT) for brain metastases. Materials and Methods. Retrospective intention-to-treat study including 110 patients treated with primary WBRT (typically 10 fractions of 3 Gy; no other treatment between diagnosis and WBRT). Uni- and multivariate tests were performed. Results. Median...

Journal: :International journal of radiation oncology, biology, physics 2009
Jennifer Wong Amanda Hird Liying Zhang May Tsao Emily Sinclair Elizabeth Barnes Cyril Danjoux Edward Chow

PURPOSE To examine prospectively patient self-rated symptoms and quality of life (QOL) indicators in patients with brain metastases following whole brain radiotherapy (WBRT). METHODS AND MATERIALS Consecutive patients with brain metastases referred for WBRT were approached for this study. Patients were asked to rate their symptoms and QOL using the Spitzer Quality of Life Index questionnaire....

Journal: :journal of biomedical physics and engineering 0
m dorri giv 1radiology and radiotherapy department, faculty of paramedical, shahid beheshti university of medical sciences, tehran, m h bahreini toosi medical physics research center, faculty of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) s m r aghamiri 1radiology and radiotherapy department, faculty of paramedical, shahid beheshti university of medical sciences, tehran,سازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) f akbari medical physics research center, faculty of medicine, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی شهید بهشتی (shahid beheshti university of medical sciences) s taeb msc of radiation biology and orotection, shiraz university of medical science, shiraz, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

background: much research has widely been conducted into thyroid hormones levels following radiotherapy for breast cancer. consequently, in this study, we evaluated to relate the rate of thyroid hormones levels with the dose distribution among breast cancer patients. material and methods: thirty patients were treated with 4-field breast cancer radiotherapy. the dose volume histograms, the volum...

2011
Heunglae Cho Cheoljin Kim

PURPOSE This study was performed to evaluate the change in the lumpectomy cavity volumes before and after whole breast radiation therapy (WBRT) and to identify factors associated with the change of volume. MATERIALS AND METHODS From September 2009 to April 2010, the computed tomography (CT) simulation data from 70 patients obtained before and after WBRT was evaluated. The lumpectomy cavity vo...

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