3T磁共振ADC值对宫颈癌盆腔淋巴结的评估

Value of 3T MR ADC in pelvic lymph nodes of cervical cancer

目的探讨磁共振加权成像(diffusion weighted imaging,DWI)的表观弥散系数值(apparent diffusion coefficient,ADC值)对宫颈癌盆腔淋巴结转移的诊断价值。方法回顾性分析有临床病理证实并行DWI检查的病例,比较转移性淋巴结与非转移性淋巴结的ADC值。结果转移性淋巴结平均ADC值(0.765±0.112)×10-3mm2∕s,非转移性淋巴结平均ADC值(1.002±0.182)×10-3mm2/s,结果具有统计学意义(P<0.01)。结论宫颈癌盆腔淋巴结平均ADC值对评价宫颈癌淋巴结转移具有重要意义。

Abstract： Objective To discuss the use of diffusion weighted imaging（DWI） to measure apparent diffusion coefficient （ADC） for cervical cancer pelvic lymph node and evaluate the accuracy of lymph nodes metastases. Methods The ret- rospective analysis of clinical cases of pathologically proven parallel DWI that compare the metastatic lymph node with the ADC values of metastatic lymph nodes. Results The average ADC value of metastatic lymph node is （0. 765± 0. 112 ） ×10 - 3 mm2/s, and the average ADV value of non - metastatic lymph node is （ 1. 002 ± 0. 182 ） × 10 - 3 mm2/s, which is considered statistically significant. Conclusion The average ADC value for cervical cancer pelvic lymph node is found to be statistically significant in measuring whether the lymph node is metastatic or not.