...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Clinical Radiology: Journal of the Royal College of Radiologists >Dual-energy CT angiography of pelvic and lower extremity arteries: dual-energy bone subtraction versus manual bone subtraction.
【24h】

Dual-energy CT angiography of pelvic and lower extremity arteries: dual-energy bone subtraction versus manual bone subtraction.

机译：骨盆和下肢动脉的双能CT血管造影：双能骨骼减影与手动骨骼减影。

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

AIM: To analyse the effect of dual-energy bone subtraction (DEBS) on the image quality of peripheral computed tomography (CT) angiograms. MATERIALS AND METHODS: Twenty patients underwent dual-energy CT angiography of the pelvic and lower extremity arteries using commercially available equipment. Two different methods of image processing were employed for each CT angiographic dataset: (1) DEBS, and (2) manual bone subtraction (MBS). Effects on vessel visibility and artificial vessel alterations were compared. RESULTS: Bone removal, and the resultant visibility of vessel segments, were significantly better with DEBS than with MBS (p=0.011). The overall frequency of vessel-related alterations was lower in MBS compared with DEBS (p=0.001). Specifically, in the 249 vessel segments with calcified plaques, MBS generated fewer vessel alterations than DEBS (p<0.001). In the 309 vessel segments without calcified plaques, there was no difference in vessel alteration between the two techniques (p=0.22). CONCLUSION: DEBS facilitates bone removal in peripheral CT angiography, but generates more vessel alterations, particularly in the presence of calcified plaque.
机译：目的：分析双能骨消减术（DEBS）对外周计算机断层扫描（CT）血管造影图像质量的影响。材料与方法：20例患者使用市售设备进行了骨盆和下肢动脉的双能CT血管造影。每个CT血管造影数据集采用两种不同的图像处理方法：（1）DEBS和（2）人工骨消减（MBS）。比较了对血管可见度和人工血管改变的影响。结果：与MBS相比，DEBS显着改善了去骨和血管段的可见性（p = 0.011）。与DEBS相比，MBS中与血管相关的改变的总频率更低（p = 0.001）。具体而言，在249个具有钙化斑块的血管段中，MBS产生的血管改变少于DEBS（p <0.001）。在309个无钙化斑块的血管段中，两种技术之间的血管改变无差异（p = 0.22）。结论：DEBS有助于在外周CT血管造影中去除骨骼，但会产生更多的血管改变，尤其是在钙化斑块存在的情况下。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号