磁共振灌注加权成像对脑胶质瘤及脑单发转移瘤的诊断价值分析

Analysis The Diagnostic Value of MR Perfusion Weighted Imaging for the Diagnosis of Gliomas and Brain Single Metastasis

目的研究磁共振(MR)灌注加权成像(PWI)对脑胶质瘤(GBM)以及脑单发转移瘤的诊断价值分析。方法回顾性分析于2016年8月至2017年8月在我院进行检查的35例GBM患者以及15例单发转移瘤患者,35例GBM患者中含16例低级别患者,19例高级别患者的MR PWI的资料,且将16例低级别患者记为A组,19例高级别的患者记为B组,15例单发转移瘤的患者记为C组。测量肿瘤的实质区域以及肿瘤周围水肿区相对的脑血容量(RCBV)的值,并且进行统计学的分析。结果在肿瘤的实质区域,低级别的GBM的RCBV明显低于高级别的GBM,在肿瘤周围的水肿区,低级别GBM的RCBV明显低于高级别的GBM,差异有统计学意义(P<0.05),在肿瘤的实质区域,单发转移瘤的RCBV明显低于高级别的GBM,在肿瘤周围的水肿区,单发转移瘤的RCBV明显低于高级别的GBM,差异有统计学意义(P<0.05)。结论PWI为一种无创评价的手段,可提高GBM手术前的分级准确性,且在单发转移瘤的鉴别诊断方有一定的临床价值。

Objective To study the diagnostic value of MR perfusion weighted imaging(PWI)in glioma(GBM)and single metastatic tumor of brain.Methods A retrospective analysis in August 2016 to August 2017 in our hospital for inspection of 35 patients with GBM and 15 patients with single metastatic tumor,including 16 cases of low level in 35 patients with GBM patients,19 cases of MR PWI in patients with high level of information,and 16 patients with low levels of group A,19 cases of senior patients in group B,15 cases of single metastatic tumor patients in group C.The values of cerebral blood volume(RCBV)in the parenchyma and edema area around the tumor were measured and statistically analyzed.Results In the essence of the tumor area,low-level GBM significantly lower RCBV high-level GBM,edema around tumor area,low level of GBM RCBV significantly lower than the high-level GBM,the difference was statistically significant(P<0.05),the nature of the tumor area,single metastases of RCBV significantly lower than the high-level GBM,edema around tumor area,single metastases of RCBV significantly lower than the high-level GBM,the difference was statistically significant(P<0.05).Conclusion PWI is a non-invasive evaluation method,which can improve the accuracy of grading before GBM surgery,and has certain clinical value in the differential diagnosis of single metastatic tumor.