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肺部常见孤立肿块强化特征探讨 被引量:1

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摘要 目的利用多层螺旋CT快速成像、薄层扫描等优点,探讨肺部常见肿瘤(周围型肺癌、炎性结节、结核结节)强化特征,进一步掌握早期周围型肺癌的诊断和鉴别诊断。方法收集43例肺孤立性结节患者,行多层螺旋CT动态增强扫描(以3 mL/s的流率注入,碘普罗胺300对比剂100 mL)。记录孤立性肺结节增强前的CT值、强化值,查找手术病理切片及临床追踪。结果周围型肺癌与炎性结节强化值明显高于结核结节,但炎性结节强化峰值提前于肺癌,炎症结节的峰值位于注药后35 s附近,而周围型肺癌的峰值位于1 min~ 3 min.结核结节无明显强化。结论多层螺旋CT增强扫描依肿瘤血管峰值时间有助于鉴别周围型肺癌、炎性结节、结核结节,对早期周围型肺癌的诊断可以提供更多的参考信息。
作者 刘华
出处 《基层医学论坛》 2011年第4期157-158,共2页 The Medical Forum
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