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多层螺旋CT多期薄层扫描技术在诊断早期胰腺癌中的临床应用及价值分析 被引量:11

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摘要 目的评价研究多层螺旋CT(MSCT)多期薄层扫描技术在早期胰腺癌中诊断价值及其临床意义。方法回顾性分析42例行MSCT多期薄层扫描并经过手术和病理证实的早期胰腺癌患者的病例资料,经MSCT多期薄层扫描比较正常胰腺组织和肿瘤在平扫和多期扫描中的增强变化,依照CT影像征象诊断胰腺癌并行手术前评估,并与手术结果相比较。结果早期胰腺癌的直接征象是胰腺内弱强化肿块,间接征象是胰、胆管扩张,胰体尾部萎缩及胰腺轮廓改变,肿瘤胰腺对比,胰腺期和门静脉期分别为(47.08±20.39)Hu和(28.77±16.23)Hu(R=2.533,P〈0.01),42例中诊断为可切除性肿瘤敏感度为89.6%,特异度为90.3%,对可切除病灶诊断符合率为92.8%。结论MSCT多期薄层扫描应作为首选方案,可获得清晰的胰腺自身、胰周血管和胰胆管等结构的解剖图像,还可检测出肿瘤血流动力学改变,显著提高了胰腺微小肿块的检出率,有助于对肿瘤术前精确分期和手术可切除性的判断,是发现早期胰腺癌的最佳扫描方法。
作者 李彬
出处 《中国医药》 2010年第5期428-430,共3页 China Medicine
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参考文献16

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