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目的分析胃肠间质瘤的彩色多普勒超声影像学特点。方法对我院2008年7月至2015年1月期间收治且经手术病理证实的胃肠间质瘤(51例)与胃肠癌(59例)患者的超声图像进行对比分析。结果胃间质瘤好发于胃底和胃体部(17例),肠间质瘤好发于小肠(24例)。胃癌好发于胃窦部(18例),肠癌好发于结、直肠(结肠癌20例,直肠癌12例)。与胃肠癌比较,胃肠间质瘤多以肿瘤不包绕肠腔为主、边界清晰、形态多较规整、内部回声多不均匀及周边淋巴结无转移(P<0.05),肿瘤大小和血流丰富程度比较差异无统计学意义(P>0.05),而单独将肠间质瘤的血流丰富程度与肠癌进行比较的结果发现二者的差异有统计学意义(P<0.05)。结论从本研究的初步研究结果来看,超声作为一种简便、快捷的检查方法,对于胃肠间质瘤与胃肠癌的鉴别具有一定的诊断价值。
Objective To analyze the features of color Doppler ultrasound imaging of gastrointestinal stromal tumors. Methods The ultrasound images of gastrointestinal stromal tumors (51 cases) and gastrointestinal cancers (59 cases) admitted to our hospital from July 2008 to January 2015 were analyzed. The results of gastric stromal tumors occur in the fundus and gastric body (17 cases), intestinal stromal tumors occur in the small intestine (24 cases). Gastric cancer occurs in the antrum (18 cases), colorectal cancer occurs in the junction, rectum (colon cancer in 20 cases, rectal cancer in 12 cases). Compared with gastrointestinal cancer, gastrointestinal stromal tumors mostly did not surround the intestine, with clear boundaries, more regular shape, more internal echo and no lymph node metastasis (P <0.05), tumor size and blood There was no significant difference in the abundance of flow (P> 0.05). However, the difference between the two groups was statistically significant (P <0.05). Conclusion From the preliminary findings of this study, ultrasound as a simple and quick method for the diagnosis of gastrointestinal stromal tumors and gastrointestinal cancer has some diagnostic value.