胃癌淋巴结转移的CT分组定位诊断法

The Value of CT Examination in Detecting Metastatic Lymph Nodes in Patients with Gastric Cancer.

目的:评价CT对胃癌淋巴结转移的诊断价值以及临床应用价值。方法:采用分组定位诊断方法,通过识别CT上作为标志的血管、脏器以确定各组淋巴结所在位置,将CT观察结果与手术所见和病理检查结果相比较,得出CT对各组淋巴结诊断的准确性、特异性、敏感性。结果:CT检查胃癌转移淋巴结准确率较高的为第3、7、9、1、16组等,敏感性较高的为第3、1、7、9、16组等,特异性较高的为第3、7、9、12、1、16组等。结论:分组定位诊断法全面评价了CT对胃癌各组淋巴结转移的诊断性能,将此方法的特点与临床病理、淋巴结转移规律相结合,对提高术前分期准确性、选择合理的治疗方法具有一定价值。

Objective: To evaluate the clinical value of CT examination in detecting metastatic lymph nodes in patients with gastric cancer. Methods: One hundred and thirty-six patients with gastric cancer were examined by CT in searching peri-gastric metastatic lymph nodes, then, the metastatic lymph nodes found on CT film was compared with those found during and post-operative pathological examination. The accuracy, specifity and sensitivity of CT examination in detecting peristo-mach metastatic lymph nodes were analyzed. Results: The accuracy rate of CT examination was higher in finding No 3, 7, 9, 1 and 16 metastatic lymph nodes, the sensitivity rate was higher in No 3, 1,7 and 9, along with higher specifity rate in No 3, 7, 9, 1 and 16. Conclusions: CT examination is valuable in detecting metastatic lymph nodes in patients with gastric cancer and might be helpful in design of operation.