超声双重造影与超声内镜对胃癌术前T分期的比较研究  

Comparison of double contrast-enhanced ultrasonography and endoscopic ultrasonography in the preoperative Tstaging of gastric carcinoma

作　　者：王亮[1] 黄品同[1] 黄福光[1] 何慧疗[1] 谭艳娟[1] 郑志强[2] 王宗敏[3] 

机构地区：[1]浙江温州医学院附属第二医院超声科,325027 [2]浙江温州医学院附属第二医院胃肠外科,325027 [3]浙江温州医学院附属第二医院病理科,325027

出　　处：《中华超声影像学杂志》2011年第11期957-961,共5页Chinese Journal of Ultrasonography

基　　金：温州市科技局对外合作项目（H20060039）

摘　　要：目的评价超声双重造影、超声内镜两种检查方法在胃癌术前T分期中的价值。方法对136例胃癌患者，术前行超声双重造影及超声内镜检查，两种检查方法的术前分期均与术后病理分期进行对比。结果超声双重造影对胃癌术前T分期的准确率为80．1％，其中T1、T2、T3、T4准确率分别为65．5％、79．5％、86．5％、87．5％；超声内镜T分期准确率达81．6％，其中T1、T2、T3、T4准确率分别为82．8％、76．9%、82．7％、87．5％；除T1期外，其余各期及T分期总的准确率两者间差异无统计学意义（P〉0．05）。结论超声内镜和超声双重造影对胃癌术前T分期总的准确率相当，但在T1期中超声内镜明显优于超声双重造影。两种检查在胃癌术前T分期中各有优缺点，联合两种检查可相互弥补，增加胃癌术前T分期的正确率，对手术治疗方案的制定有指导意义。Objective To evaluate the accuracy of double contrast-enhanced ultrasonography（DCUS） and endoscopic ultrasonography （EUS） in the preoperative T staging of gastric cancer. Methods A total of 136 consecutive patients with histologically confirmed gastric carcinoma were enrolled into this study. DCUS and EUS were performed in all patients to estimate depth of invasionin （T stage） before surgery. All patients underwent surgery. The findings of the histopathologic examination of resected specimens were considered as gold standard and were retrospectively compared with the results of DCUS and EUS. Results The accuracy of DCUS and EUS in determining the T stage of gastric cancer were 80.1 % （ T165.5 %, T2 79.5% ,T386.5% ,T487.5%） and 81.6% （ T182.8%/00 ,T276.9% ,T382.7% ,T487.5%） respectively. There was no significant difference between two methods （ P 〉0.05） except T1 staging. Conclusions There is no significant difference between DCUS and EUS in overall T-staging of gastric cancers, but there is a significant difference between two methods in T1 staging. Either of these two methods has its advantages and disadvantages. If two methods are carried out simultaneously to make up for each other,the accuracy of preoperative T-staging of gastric cancers can be improved and this improvement can influence treatment algorithms.

关 键 词：腔内超声检查 超声检查 微气泡 胃肿瘤 肿瘤分期 

分 类 号：R445.1[医药卫生—影像医学与核医学]