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肝局灶性结节性增生的CT增强扫描影像分析 被引量:3

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摘要 目的探讨肝局灶性结节性增生(FNH)的螺旋CT表现和价值。方法回顾性分析24例(30个病灶)经病理证实为肝局灶性结节性增生的平扫及三期增强CT表现。结果 CT平扫30个病灶中,16个病灶呈均匀性低密度,10个病灶呈不均匀低密度,4个病灶呈等密度;其中11例病灶中部有星芒状更低的密度区。动态增强扫描,动脉期除中央瘢痕外16个病灶有明显均匀强化,10个病灶中等不均匀强化,4个病灶轻度强化,8个病灶还可见病灶中心或周边增粗扭曲的动脉影。静脉期和延迟期,病灶密度下降。结论 FNH平扫为低密度,增强扫描以"快进慢出"为其特点。螺旋CT增强扫描显示中央瘢痕征是诊断本病重要依据。
出处 《当代医学》 2012年第2期82-83,共2页 Contemporary Medicine
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