超声造影与增强MSCT对腹部占位性病灶诊断效能对比

Comparison on Diagnostic Efficacy between Ultrasonography and MSCT for Abdominal Space-Occupying Lesions

目的对比分析超声造影检查、增强MSCT对腹部占位性病灶诊断效能。方法选取本院2016年3月至2019年7月收治的68例腹部占位性病变患者作为研究对象,比较超声造影检查、增强MSCT检查诊断腹部占位性病变的准确率。结果68例腹部占位性病变中,超声检查检出60例与病理结果相符,诊断准确率为88.24%;经MSCT检查诊断出64例与病理结果相符,诊断准确率为94.12%。高于超声检查(P<0.05)。肝癌超声图像表现为呈不均质低回声或高回声肿块;MSCT表现,当出现中心坏死,表现为低密度。肝脓肿超声表现为低回声肿块,脓肿壁表现为稍强回声,周围可见环状回声的水肿;MSCT显示脓腔为单发低密度区,可见典型“双环征”。卵巢囊肿超声表现为无回声或低回声肿块,部分内可见分隔,内部无明显钙化;MSCT表现为子宫附件或附近区均匀囊性病变,增强扫描囊肿无强化。胰腺癌超声表现为低回声肿块,边界不清,其中6例可见胰管扩张,呈“截断样”,2例伴有腹水;MSCT表现为实性肿块,可见典型“双管征”。结论超声与MSCT检查均可有效显示腹部占位性病变的影像学特征,MSCT诊断与病理结果相符率更高,但超声具有无辐射,且价格低,适合患者初筛或确诊后随访,临床可结合患者具体情况进行选择。

Objective To compare and analyze the diagnostic efficacy between ultrasonography and MSCT for abdominal space-occupying lesions.Methods 68 patients with abdominal space-occupying lesions treated in our hospital from March 2016 to July 2019 were selected as the research objects,and the accuracy of ultrasonography and MSCT in the diagnosis of abdominal space-occupying lesions was compared.Results Among 68 cases with abdominal space-occupying lesions,55 cases were diagnosed by ultrasound,which was consistent with the pathological results.The diagnostic accuracy was 80.88%;64 cases were diagnosed by MSCT,and the diagnostic accuracy was 94.12%,which was significantly higher than that of ultrasound(P<0.05).In ultrasonography,pseudo-tumor adjacent to the liver was mainly hypoechoic mass and 6 cases were low blood flow pattern.MSCT mainly showed equal density and showed slight enhancement.Ultrasound showed that liver abscesses were mainly hypoechoic masses.The walls of the abscess showed strong echoes,and edema with ring echoes was seen around it.MSCT showed that the abscess cavity was a single low-density area,showing a typical"double ring sign".There was no obvious calcification inside the ovarian cyst.MSCT showed uniform cystic lesions in or near the adnexa of the uteris,and enhanced scans showed no enhancement of the cysts.Ultrasound showed pancreatic duct dilatation was seen in 6 cases with pancreatic cancer,showing"truncated shape".and 2 cases were accompanied by ascites.MSCT showed a solid mass with a typical"double duct sign".Conclusion Both ultrasound and MSCT can effectively show the imaging characteristics of abdominal space occupying lesions,but MSCT has high diagnostic accuracy,and they can be selected in clinic according to the patient's own situation.