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目的探讨影响亚甲蓝法乳腺癌前哨淋巴结活检术成功率的相关临床因素。方法 98例分期为T1～2的乳腺癌患者采用亚甲蓝法行前哨淋巴结活检术后分析评估临床因素与活检成功率的关系。结果 98例患者中,84例成功检出前哨淋巴结210枚,检出率85.7%,在被评估的临床因素中,年龄、肿块位置、患者BMI、操作者熟练程度与检出率相关。肿块大小、术前确诊方法与检出率无关。结论亚甲蓝法乳腺癌前哨淋巴结活检成功率与患者年龄、肿块位置、患者BMI、操作者熟练程度相关。
Objective To investigate the clinical factors that affect the success rate of sentinel lymph node biopsy in breast cancer with methylene blue. Methods Ninety-eight breast cancer patients with stage T1～2 were treated with methylene blue method to perform postoperative sentinel lymph node biopsy to evaluate the relationship between clinical factors and the success rate of biopsy. Results Of the 98 patients, 84 were successfully detected in sentinel lymph nodes with a detection rate of 85.7%. Among the clinical factors evaluated, age, location of the tumor, patient’s BMI, and operator’s proficiency were related to the detection rate. The size of the mass, the method of preoperative diagnosis, and the detection rate were unrelated. Conclusion The success rate of sentinel lymph node biopsy in breast cancer with methylene blue is related to the age, location of the tumor, BMI of the patient, and proficiency of the operator.