نتایج جستجو برای: craniospinal irradiation
تعداد نتایج: 64342 فیلتر نتایج به سال:
INTRODUCTION The improved survival of children with brain tumors has increased concerns about treatment-related sequelae. Growth hormone deficiency is frequently observed after craniospinal irradiation for medulloblastoma. It has been widely reported that growth hormone replacement therapy does not increase the risk of second tumors, but there are reports in the literature of growth hormone, an...
Material and Methods: From 2006-2013 801 patients with early stage NSCLC were treated with CBCT guided SBRT (median 54 Gy in 3 fractions) in 5 institutes for whom treatment plans were available. 565 patients were analyzed after exclusion of synchronous or metachronous tumors (n=80), follow-up<1y (n=63), or death from cancer (93).An average anatomy was constructed based on 109 patients of the 5 ...
BACKGROUND Craniospinal irradiation (CSI) is the standard radiation therapy treatment for medulloblastoma. Conventional CSI photon therapy (Photon-CSI) delivers significant dose to surrounding normal tissue (NT). Research into pediatric CSI with proton therapy (Proton-CSI) has increased, with the aim of exploiting the potential to reduce NT dose and associated post-treatment complications. This...
BACKGROUND Radiogenic second cancer is a common late effect in long term cancer survivors. Currently there are few methods or tools available to visually evaluate the spatial distribution of risks of radiogenic late effects in the human body. We developed a risk visualization method and demonstrated it for radiogenic second cancers in tissues and organs of one patient treated with photon volume...
Idiopathic hypertrophic chronic pachymeningitis (IHCP) is characterised by inflammatory fibrotic thickening of the dura mater. Long term management is controversial. A 28 year old man with craniospinal IHCP and prominent lymphocytic meningitis is reported. Cerebrospinal fluid and histological examination suggested a CD4+ T cell driven process and B cell stimulation. After surgical, tuberculosta...
PURPOSE Associations of radiation therapy (RT) deviations and outcomes in medulloblastoma have not been defined well, particularly in the era of reduced-dose craniospinal irradiation and chemotherapy. The aim of this study is to evaluate the quality of RT on Children's Cancer Group/Pediatric Oncology Group 9961 and analyze associations of RT deviations with outcome. MATERIALS AND METHODS Majo...
PURPOSE To determine the role of amifostine as a protectant against cisplatin-induced ototoxicity in patients with average-risk (AR) medulloblastoma treated with craniospinal radiotherapy and four cycles of cisplatin-based, dose-intense chemotherapy and stem-cell rescue. PATIENTS AND METHODS The primary objective was to determine whether, in patients with AR medulloblastoma (n = 62), amifosti...
BACKGROUND To report on the acute toxicity in children with medulloblastoma undergoing intensity-modulated radiation therapy (IMRT) with daily intrafractionally modulated junctions. METHODS Newly diagnosed patients, aged 3-21, with standard-risk (SR) or high-risk (HR) medulloblastoma were eligible. A dose of 23.4 or 36.0 Gy in daily fractions of 1.8 Gy was prescribed to the craniospinal axis,...
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