胃窗超声造影与常规超声检查在胃癌术前T分期中的应用比较

 目的　探讨胃窗超声造影在胃癌术前T分期诊断中的应用价值。方法　回顾性分析经手术病理确诊的62例胃癌患者资料，术前分别行胃窗超声造影及常规超声检查，将两种检查方法的结果与术后病理对照。结果　胃窗超声造影和常规超声对胃癌病灶的检出率分别为100.0 %（62／62）与64.5 %（40／62），两者差异有统计学意义（χ2＝24.369，P＜0.05）。胃窗超声造影和常规超声对T1期、T4期分期准确率分别为85.7 %（6／7）、0及92.3 %（36／39）、59.0 %（23／39），差异均有统计学意义（均P＜0.05）；对T2、T3期的分期准确率分别为75.0 %（3／4）、0及83.3 %（5／6）、33.3 %（2／6），差异均无统计学意义（P＝0.143，P＝0.242）。结论　胃窗超声造影对胃癌检出率明显高于常规超声，且在胃癌的术前T分期诊断中具有较高的准确率，有助于指导临床合理施治，是值得推广的无创、便捷的胃部疾病普查手段。

Comparison of oral ultrasonic contrast agent and conventional ultrasound in preoperative T staging of gastric cancer

Objective　To explore the value of oral ultrasonic contrast agent on preoperative T staging of gastric cancer. Methods　62 patients diagnosed with gastric neoplasms by operation and pathology were analyzed retrospectively. Patients were treated by oral ultrasonic contrast agent and conventional ultrasonography before surgery, two methods were compared with postoperative pathology. Results　Oral ultrasonic contrast agent and conventional ultrasound detection rates of gastric neoplasms were 100.0 % (62/62) and 64.5 % (40/62), The difference was significant between the two examination methods (χ2 = 24.369, P＜0.05). The oral ultrasonic contrast agent and conventional ultrasound with T1, T4 staging accuracy rates were 85.7 % (6/7), 0, 92.3 %(36/39), 59.0 %(23/39), there were significant differences (both P＜0.05). T2, T3 staging accuracy rate were 75.0 % (3/4), 0, 83.3 % (5/6), 33.3 % (2/6), the differences were not significant (P = 0.143, P = 0.242). Conclusion　Oral ultrasonic contrast agent in preoperative T staging diagnosis has higher accuracy rate in gastric neoplasms,it could guide clinical rational therapy.It is worth promoting non-invasive, convenient means of stomach diseases census.