壶腹癌的超声诊断以及鉴别诊断探讨

目的探讨超声诊断壶腹癌的准确性以及其与胰头癌、胆管下段癌的鉴别。方法对2007-02—2009-01收治的壶腹周围癌患者采用回顾性分析的方法进行统计学分析。结果54例病例超声诊断平均准确率为87．04％。三组肿瘤最大直径的比例进行组间比较（x2=13．41，P〈0．05）肿瘤直径差异有统计学意义；胰头癌组、壶腹癌组差异有统计学意义（P〈0．01）。肝外胆管扩张程度，壶腹癌组和胆总管下段癌组分别与胰头癌组差异有统计学意3Z（P〈0．05），胰管扩张程度三组差异无统计学意义（P〉0．05）。结论超声诊断是壶腹癌最重要的诊断手段，对鉴别胰头癌和胆管下段癌有辅助作用。

Exploration on the diagnosis and differentiation of carcinoma in ampulla of vater with ultrasound

Objective To probe the aeeuraey of ultrasound diagnosis of carcinoma in ampulla of rater （CAV） ,and the differentiation between carcinoma of head of pancreas （CHP） and eareinoma of bile duet（CBD）. Methods Retrospective review of 54 patients sufering from periampullary carcinoma from 2007 to 2009 was per- formed. Results The u/trasonography results of 54 patients of periampuUary carcinoma accorded with operation path- ologieal results with accuracy of 87.04% on average. The differences in longest diamieters of eaeinomas between CAV , CHP and CBD were remarkable（P 〈0. 05） ,signifieant difference between CAV and CHP（P 〈0. 01 ）. Prominent differences between CAV , CBD and CHP existed in the ratio of dilation of the exrahepatiebihe duet（ P 〈 0. 05 ）. The ratio of dilation of duetus panereatieus were not markedly different respectively. Conclusion The ultrasound is the chief diagnostic method of carcinoma in ampulla of rater and is helpful to differential diagnosis between CAV, CHP and CBD.