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目的:了解前哨淋巴结亚甲蓝显影对胃癌淋巴结转移的诊断价值。方法:术中向肿瘤边缘的正常胃壁浆膜下肌层、粘膜下层注射亚甲蓝,观察淋巴结显影的情况;切取各站淋巴结行病理检查。结果:术中进行淋巴结标识72例,成功检测出前哨淋巴结68例。术中病理检查,33例有淋巴转移。结论:前哨淋巴结术中能准确预测胃癌淋巴结转移状况。在手术治疗淋巴结转移阴性的胃癌患者中,前哨淋巴结术中标识有望免除常规淋巴清扫。
Objective: To understand the value of sentinel lymph node methylene blue imaging in the diagnosis of lymph node metastasis of gastric cancer. Methods: The intramuscular injection of methylene blue into the submerginal muscular layer and submucosa of the normal gastric wall at the edge of the tumor was performed to observe the development of lymph nodes. The pathological examination of the lymph nodes was performed. Results: During the operation, 72 cases were labeled with lymph nodes, and 68 cases of sentinel lymph node were successfully detected. Intraoperative pathological examination, 33 cases of lymph node metastasis. CONCLUSIONS: Sentinel lymph node surgery can accurately predict the status of lymph node metastasis in gastric cancer. In the surgical treatment of patients with negative lymph node metastasis of gastric cancer, sentinel lymph node surgery is expected to avoid the conventional lymph node dissection.