鼻咽癌肝转移瘤的B超图像探讨

Study on Hepatic Metastasis from Nasopharyngeal Carcinoma with B-ultrasound Imaging

目的 探讨B超诊断鼻咽癌肝转移瘤的价值 ,进一步提高诊断准确率。方法 分析 110例鼻咽癌肝转移瘤的二维超声图像及 67例转移瘤的彩色多普勒血流特征。结果 110例肝转移瘤中 94例为多发病变 ,占 85 0 %。右叶发生多于左叶 ,转移瘤大小0 6～ 8 5cm不等。 10 1例为圆形或类圆形 ,占 91 8% ,19例为分叶状或不规则形 ,占 8 2 %。 86例呈低及中等回声 ,占 78 2 % ,17例呈高回声 ,7例呈无回声 ,分别占 15 5 % ,6 4%。 1cm以上的病灶可见周边声晕 ( 5 0 9% )及内部液化坏死 ( 2 3 6% )。CDFI检查仅 18例病灶内部检出动脉血流频谱 ,占 2 7 8%。结论 鼻咽癌肝转移瘤的超声表现形态多样 ,但具有一定特点 ,结合临床病史及短期随访 ,绝大多数可作出明确诊断。

Objective To distinguish diagnostic value of B-ultrasound in hepatic metastasis from nasopharygeal carcinoma (NPC) and improve further the diagnostic accuracy.Methods Analysed the sonographic characteristics of 110 cases and CDFI features of 67 cases with hepatic matastasis of NPC.Results 94(85.0%) cases are multiple masses.The matastatic masses located in the right lobe of the liver more than in the left and the size varied from 0.6 cm to 8.5 cm.101(91.8%) cases were circular or similar circular shape.19(8.2%) cases had no-regular shape.86 (78.2%) cases had lower or equal echoes,17(15.5%) cases had higher echoes and 7(6.4%) no-echoes.Circular ring (50.9%) and cystic echoes (23.6%) appeared in those masses>1 cm.Only in 18(27.8%) cases artery blood was found by CDFI.Conclusions The sonographics of hepatic metastases from NPC varied,but had some features.Most could be diagnosed definitely combined with clinical histories and follow-up in short-term.