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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 investigate the value of B-ultrasound in the diagnosis of liver metastases of nasopharyngeal carcinoma to further improve the diagnostic accuracy. Methods The color Doppler flow characteristics of 110 cases of nasopharyngeal carcinoma with liver metastases and 67 cases of metastases were analyzed. Results Of 110 cases of liver metastases, 94 cases were multiple lesions, accounting for 85%. Right lobe occurred more than the left lobe, metastatic size 0 6 ~ 8 5cm range. 10 1 cases were round or round, accounting for 91.8%, 19 cases were lobulated or irregular shape, accounting for 82%. 86 cases showed low and moderate echoes, accounting for 78.2%, 17 cases were hyperechoic, 7 cases were anechoic, respectively, 15 5%, 64%. More than 1cm lesions showed peripheral sound halo (59%) and internal liquefaction necrosis (236%). CDFI examination only 18 cases internal lesion detected arterial blood flow spectrum, accounting for 278%. CONCLUSIONS: The ultrasound manifestation of liver metastases of nasopharyngeal carcinoma is diverse, but it has certain characteristics. Combined with clinical history and short-term follow-up, the vast majority can make a definite diagnosis.