نتایج جستجو برای: wbrt
تعداد نتایج: 475 فیلتر نتایج به سال:
PURPOSE Erlotinib has shown activity in patients with brain metastases from non-small-cell lung cancer. The present dose-escalation Phase I trial evaluated the toxicity of whole brain radiotherapy (WBRT) with concurrent and maintenance erlotinib in this patient group. METHODS AND MATERIALS Erlotinib (Cohort 1, 100 mg/d; Cohort 2, 150 mg/d) was started 1 week before, and continued during, WBRT...
PURPOSE Parotid gland can be considered as a risk organ in whole brain radiotherapy (WBRT). The purpose of this study is to evaluate the parotid gland sparing effect of computed tomography (CT)-based WBRT compared to 2-dimensional plan with conventional field margin. MATERIALS AND METHODS From January 2008 to April 2011, 53 patients underwent WBRT using CT-based simulation. Bilateral two-fiel...
The standard treatment for primary CNS lymphoma (PCNSL) involves high-dose methotrexate-based chemotherapy (HD-MTX) alone or in combination with whole brain radiotherapy (WBRT). The combined modality regimen carries a substantial risk for cognitive impairment, and HD-MTX alone has been used more often recently in part to reduce neurotoxicity. In this study, we assessed cognitive functioning and...
BACKGROUND Brain metastases occur in 30-50% of Non-small cell lung cancer (NSCLC) patients and confer a worse prognosis and quality of life. These patients are usually treated with Whole-brain radiotherapy (WBRT) followed by systemic therapy. Few studies have evaluated the role of chemoradiotherapy to the primary tumor after WBRT as definitive treatment in the management of these patients. ME...
1960 www.thelancet.com Vol 388 October 22, 2016 Radiation oncologists are often challenged because of the paucity of randomised trials supporting their clinical practice. In terms of brain metastases treatment, it should be emphasised that there have been fi ve randomised trials assessing whole brain radiotherapy (WBRT): four studies assessing stereotactic radio therapy with or without WBRT for...
BACKGROUND Deep inspiration breath hold (DIBH) reduces heart and left anterior descending artery (LAD) dose during left-sided breast radiation therapy (RT); however there is limited information about which patients derive the most benefit from DIBH. The primary objective of this study was to determine which patients benefit the most from DIBH by comparing percent reduction in mean cardiac dose ...
BACKGROUND Brain metastases are common in patients with melanoma, and optimal management is not well defined. As melanoma has traditionally been thought of as "radioresistant," the role of whole brain radiation therapy (WBRT) in particular is unclear. We conducted this retrospective study to identify prognostic factors for patients treated with stereotactic radiosurgery (SRS) for melanoma brain...
Background To evaluate the role of surgery and postoperative radiotherapy in the management of brain metastases (BM): a retrospective analysis for overall survival (OS), local and brain control (LC and BC) of a series of 329 patients with recursive partitioning analysis (RPA) I or II with 1 or 2 BM in a single institution. Methods Patients were treated either with combined surgical resection ...
The brain is one of the most frequent locations of metastasis in malignant melanoma. We aimed to identify prognostic factors for overall survival (OS) and local tumor control (LC) in patients with malignant melanoma metastasized to the brain treated by multimodal therapy. All patients diagnosed with malignant melanoma brain metastases between 1992 and 2011 at a single center were registered (n=...
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