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目的评价磁共振加权成像(DWI)序列对乳腺癌腋窝良恶性淋巴结鉴别的价值。方法收集2010年1月至2011年12月在我院放射科进行乳腺弥散加权成像,有明确手术病理结果的乳腺癌患者72例341个腋窝淋巴结作为研究对象进行回顾性分析。结果 DWI可以准确判断乳腺癌腋窝淋巴结转移,72例病人腋窝可见肿大淋巴结,152个转移淋巴结和189个良性淋巴结的ADC值,前者为(1.03±0.13),后者为(1.47±0.12),两者比较有统计学意义(P<0.05)。结论 DWI和ADC值测量是一种安全、无创、准确、快速的鉴别乳腺癌患者腋窝转移性淋巴结和良性反应增生性淋巴结的手段。
Objective To evaluate the value of magnetic resonance weighted imaging (DWI) in differentiating benign and malignant lymph nodes from axillary lymph nodes in breast cancer. Methods A retrospective analysis was performed on 72 cases of axillary lymph nodes from 72 patients with breast cancer with definite pathological findings from January 2010 to December 2011 in our hospital. Results DWI can accurately determine the axillary lymph node metastasis in breast cancer. The ADC values of lymph node, 152 metastatic lymph nodes and 189 benign lymph nodes in axillary lymph nodes were found in 72 patients (DW), the former was (1.03 ± 0.13) and the latter was (1.47 ± 0.12) The two were statistically significant (P <0.05). Conclusion DWI and ADC measurements are a safe, noninvasive, accurate and rapid means to identify axillary metastatic lymph nodes and benign reactive hyperplastic lymph nodes in patients with breast cancer.