...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Radiology >Nodular hepatocellular carcinomas: detection with arterial-, portal-, and delayed-phase images at spiral CT.
【24h】

Nodular hepatocellular carcinomas: detection with arterial-, portal-, and delayed-phase images at spiral CT.

机译：结节性肝细胞癌：在螺旋CT上以动脉，门脉和延迟期图像进行检测。

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

PURPOSE: To evaluate the effectiveness of three-phase spiral computed tomography (CT) for the evaluation of nodular hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Images obtained at three-phase spiral CT in 45 patients with 81 nodular HCCs were reviewed. Images were obtained with 10-mm collimation and 10 mm/sec table speed during intravenous administration of 2 mL/kg 68% nonionic contrast material at a rate of 3 mL/sec. Hepatic arterial-phase (AP), portal-phase (PP), and delayed-phase (DP) images were obtained 25-30 seconds, 60-70 seconds, and 300 seconds, respectively, after injection of the contrast material. Lesion detectability and conspicuity were compared among these three protocols by two readers. RESULTS: The AP images depicted a statistically significantly larger number of lesions (n = 67), although the differences in the number of lesions depicted between the PP and DP images were not statistically significant. Twenty-one lesions were detected only with the AP images, three with the PP images, and seven with the DP images. The most clearly visualized lesions were most commonly depicted on the AP images (n = 47) rather than the PP images (n = 11) or the DP images (n = 23). CONCLUSION: Lesion detection and conspicuity were best with the AP images. However, some lesions were detected only with the DP and PP images, so that maximum lesion visualization is achieved by using all three phases.
机译：目的：评估三相螺旋CT（CT）在评估结节性肝细胞癌（HCC）中的有效性。材料与方法：回顾性分析了45例81结节性肝癌患者的三相螺旋CT图像。在以3 mL / sec的速率静脉内施用2 mL / kg 68％非离子型对比剂期间，以10 mm准直和10 mm / sec的台式速度获得图像。注射造影剂后分别获得25-30秒，60-70秒和300秒的肝动脉期（AP），门脉期（PP）和延迟期（DP）图像。两位读者比较了这三种方案中的病变可检测性和显眼性。结果：尽管PP和DP图像之间所描绘的病变数量差异无统计学意义，但AP图像所描绘的病变数量具有统计学意义（n = 67）。仅使用AP图像检测到21个病变，使用PP图像检测到三个病变，而使用DP图像检测到七个病变。最清晰可视化的病变最常见于AP图像（n = 47）上，而不是PP图像（n = 11）或DP图像（n = 23）上。结论：AP图像对病变的发现和明显性最好。但是，仅通过DP和PP图像可以检测到一些病变，因此通过使用所有三个阶段都可以实现最大的病变可视化。

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