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目的:探讨外周带前列腺癌鉴别诊断中磁共振灌注加权成像(PWI)定量参数的价值。方法:回顾性分析2014年1月至2015年10月在濮阳市安阳地区医院行前列腺磁共振(MRI)扫描的前列腺疾病患者50例,分析PWI定量参数在前列腺癌及良性鉴别上的价值。结果:前列腺癌组、良性病变组转运常数(K~(tras))、血液回流常数(K_(ep))比较,差异具有统计学意义(P<0.05);血管外细胞外间隙体积百分数(Ve)比较,差异无统计学意义(P>0.05)。结论:在前列腺外周带前列腺癌鉴别诊断中,PWI定量参数K~(tras)、K_(ep)具有重要的诊断价值,可作为鉴别的重要参数指标。
Objective: To investigate the value of quantitative parameters of perfusion weighted imaging (PWI) in the differential diagnosis of peripheral prostate cancer. Methods: From January 2014 to October 2015, 50 patients with prostatic diseases who underwent MRI scan in Anyang district of Puyang from January 2014 to October 2015 were retrospectively analyzed. The value of quantitative parameters of PWI in benign prostatic carcinoma was analyzed. Results: There were significant differences in K (tras) and K (ep) in prostate cancer group and benign lesion group (P <0.05). The extravascular extracellular space volume fraction (Ve ), The difference was not statistically significant (P> 0.05). CONCLUSION: PWI quantitative parameters K-tras and K ep (ep) have important diagnostic value in the differential diagnosis of prostatic cancer and prostate cancer, which can be used as an important parameter for differential diagnosis.