Purpose:Physical dose distribution in radiotherapy treatment plans may not represent a useful clinical tool due to the v......

Backgrounds: Owing to unique radiological physics properties associated with the Bragg peak,proton and heavy ion therapi......

Objective:The aim of this study was to compare the dosimetric distribution of brain stem and PTVs in both intensity modu......

Background:A conversion from computed tomography(CT)values obtained using single-energy CT to relative electron density(......

Purpose:To explore the effects of changes in the gross tumor volume(GTV)on dose distribution in organs at risk(OARs)and ......

Purpose:If rectal balloon were not used in rectum cancer treatment,there is a lack of reproducibility of rectum shape on......

目的:分析组织成分及密度对n 125I粒子植入剂量分布影响，为临床放射性粒子植入剂量计算和评估提供参考。n 方法:应用egs_b......

目的 验证国产微型柱状＾１９２Ｉｒ放射源剂量分布特性，比较其与点源剂量分布特性的偏差。方法 用电离室法与胶片法实测国产＾１９２Ｉｒ放射源空间剂量角......

宫颈癌是全球妇女中仅次于乳腺癌的第二个最常见的恶性肿瘤。据估计20世纪80年代在全世界每年新发宫颈癌为46.5万(占妇女新发癌症......