“类血管瘤样强化”:肝转移癌化疗后的特殊CT表现

Hemangioma-like enhancement:A special CT sign of chemotherapytreated liver metastases

目的:探讨化疗后肝转移瘤在CT扫描中出现类似血管瘤样强化的意义。方法:回顾7例(共10个)CT扫描中出现类似血管瘤样强化的化疗后肝转移瘤,并分析病灶的大小、密度和强化特征。结果:本组10个病灶中最小0.7cm,最大3.5cm,10个病灶平扫为低密度,其中7个边界清楚,3个边界不清;增强后病灶为边缘不均匀强化(6个)或无明显强化(4个),门脉期或延迟后均见对比剂均匀充填。结论:肝转移瘤化疗后CT扫描可出现“类血管瘤样强化”,应引起足够重视。

Objective：To evaluated the nature of hemangloma-like enhancement of chemotherapy-treated liver metastases on CT images.Methods：7 patients 10 liver metastases with hemangioma-like enhancement on CT image were reviewed,and the size, density and enhancement pattern of the lesion were analysed. Results：The smallest diameter was 0.7cm and the largest was 3.Scm;these 10 masses manifested low density on plain CT scan and 7 masses were well-defined, three were ill-defined; on immediate postenhancement images, 6 demonstrated peripheral nonuniform enhancement, and 4 masses demonstrated no enhancement; on delayed imaging shows complete filling of the entire mass. Omdusion： Liver metastases treated by chemotherapy may appear hemangioma-like enhancemem, which should be paid much attention to.