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249
ORIGINAL ARTICLE Do patients ’ information needs decrease over the course of radiotherapy?
, 2010
"... Purpose We aimed to investigate if cancer patients’ information needs decrease during radiotherapy and if so, which patient, consultation and radiation oncologist char-acteristics are associated with a decrease in information needs over time. Methods In this longitudinal study, patients (n=104) comp ..."
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Purpose We aimed to investigate if cancer patients’ information needs decrease during radiotherapy and if so, which patient, consultation and radiation oncologist char-acteristics are associated with a decrease in information needs over time. Methods In this longitudinal study, patients (n=104
RESEARCH Radiotherapy dose–respon o
"... r3 do 5 eld tine, and prednisone (R-CHOP). Rituximab improves both event-free and overall survival in patients with spective analysis from MD Anderson suggested that con-solidation RT also improves outcomes in patients of all Dorth et al. Radiation Oncology 2012, 7:100 ..."
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r3 do 5 eld tine, and prednisone (R-CHOP). Rituximab improves both event-free and overall survival in patients with spective analysis from MD Anderson suggested that con-solidation RT also improves outcomes in patients of all Dorth et al. Radiation Oncology 2012, 7:100
Minimum-Support Solutions for Radiotherapy Planning
"... This paper is concerned with nding solutions to the Radiotherapy Planning Problem (RTPP) that involve the fewest number of gantry angles possible. Such solutions are called minimum{support solutions. To address this issue we will modify a linear programming model from [8] by introducing a term into ..."
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. Because this problem is NP-hard, we do not attempt to nd an exact solution{instead we will employ a successive linearization algorithm based on [9] to nd a stationary point of this problem. We begin in Section 2 by describing the radiotherapy planning problem and presenting a detailed explanation of a
TRS 398 DOSIMETRY PROTOCOL FOR RADIOTHERAPY
"... In recent years, international codes of practice based on absorbed dose to water standards have been published for the clinical reference dosimetry of external beams1. It has become widely accepted that dosimetry of radiotherapeutic beams should be based on these standards. These codes of practice a ..."
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to obtain dose to water that do not take account of chamber-to-chamber variation. Other good reasons for implementing the new codes are that they are conceptually simpler, include improved physical data and improve the consistency for various ionisation chamber types as well as between different beam types
Operative and Survival Outcomes with Selective Neo-adjuvant Radiotherapy and
"... Aims: Low rectal cancer treated with abdomino-perineal resection (APR) compared with an-terior resection has been shown to have higher rates of local recurrence (LR). It is thought that changes in surgical technique can improve outcomes and increasingly radical operations for tu-mours not amenable t ..."
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analysed, with a minimum follow up of 60 months. Results: 68 patients underwent APR, mean age was 65 years. Pre-operative radiotherapy was given in 29 (43%) patients. There was 2.9 % in-hospital mortality (n=2). 20.6 % (n=14) had a circumferential resection margin (CRM)?1mm. There were 4 intra
DOI 10.1007/s12177-009-9021-y Radiotherapy in the treatment of Graves ophthalmopathy—to do it or not?
, 2009
"... Abstract To the objective of this study is to evaluate the role and toxicity of radiotherapy in the treatment of Graves ophthalmopathy. In the years 2000–2003, 121 patients with malignant exophthalmos were treated with radiotherapy of the retrobulbar area to the total dose of 20 Gy in ten fractions ..."
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Abstract To the objective of this study is to evaluate the role and toxicity of radiotherapy in the treatment of Graves ophthalmopathy. In the years 2000–2003, 121 patients with malignant exophthalmos were treated with radiotherapy of the retrobulbar area to the total dose of 20 Gy in ten fractions
Remapping and Summation for Head and Neck Adaptive Radiotherapy Applications
, 2013
"... Um tratamento de radioterapia tem como objectivo aplicar a dose máxima ao volume tumoral, provocando a sua morte celular, e preservar ao máximo os órgãos de risco (tecidos adjacentes saudáveis). Existem diferentes técnicas de entrega da radiação, como por exemplo, a radioterapia conformal e ..."
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a radioterapia de intensidade modulada. A radioterapia conformal permite o ajuste dos múltiplos feixes de radiação a ̀ forma do alvo tumoral. Con-siderando múltiplos feixes a ̀ volta de um isocentro e que cada feixe tem uma fluência uniforme, então o volume da sua intersecção sera ́ uma
Tools Do Not Predict Pathologic Compete Response in Patients with Esophageal Squamous Cell Cancer Treated with Definitive Chemo-radiotherapy ’ in this
"... New methodology, tools, and protocolized analysis are needed to advance individualized treatment paradigms in esophageal cancer Outcome prediction tools have the potential to provide clinicians and patients with practical decision aids in the diagnosis of cancer. Esophageal cancer often involves a m ..."
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New methodology, tools, and protocolized analysis are needed to advance individualized treatment paradigms in esophageal cancer Outcome prediction tools have the potential to provide clinicians and patients with practical decision aids in the diagnosis of cancer. Esophageal cancer often involves a multimodal approach. Ultimately, improvements in the reliability to predict pathologic stage based on clinical datasets are likely to be dependent on the feasibility to normalize and apply the currently available data while bringing to the clinical arena novel genetic and molecular assays. For now, pathologic complete response (pCR) is an often-used surrogate of response to combined modality therapy and a predictor of disease outcome. To that end, we commend the authors of ‘Clinical
Sequencing surgery, radiotherapy and chemotherapy: insights from a mathematical analysis
- Breast Cancer Research and Treatment
, 2002
"... Summary We present results from a mathematical analysis that is aimed at finding the best way to sequence the three traditional cancer treatments: surgery (S), chemotherapy (C), and radiotherapy (R). The mathematical model tracks the temporal evolution of the primary tumor and its associated metast ..."
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or if the metastatic population is sufficiently large relative to the primary tumor. We also show that a novel schedule, SRCR, which splits the radiotherapy regimen into two disjoint portions, is optimal among all schedules, provided that the patient's dormant metastatic tumors do not become vascularized within
Results 1 - 10
of
249