Purpose: To evaluate the prognostic value of diffusion kurtosis imaging (DKI) for survival prediction of patients with high-grade glioma (HGG). Materials and methods: DKI was performed for fifty-eight patients with pathologically proven HGG by using a 3-T scanner. The mean kurtosis (MK), mean diffusivity (MD) and fractional anisotropy (FA) values in the solid part of the tumor were measured and normalized. Univariate Cox regression analysis was used to evaluate the association between overall survival (OS) and sex, age, Karnofsky performance status (KPS), tumor grade, Ki-67 labeling index (LI), extent of resection, use of chemoradiotherapy, MK, MD, and FA. Multivariate Cox regression analysis including sex, age, KPS, extent of resection, use of chemoradiotherapy, MK, MD, and FA was subsequently performed. Spearman's correlation coefficient for OS and the area under receiver operating characteristic curve (AUC) for predicting 2-year survival were calculated for each DKI parameter and further compared. Results: In univariate Cox regression analyses, OS was significantly associated with the tumor grade, Ki-67 LI, extent of resection, use of chemoradiotherapy, MK, and MD (P < 0.05 for all). Multivariate Cox regression analyses indicated that MK, MD (hazard ratio = 1.582 and 0.828, respectively, for each 0.1 increase in the normalized value), extent of resection and use of chemoradiotherapy were independent predictors of OS. The absolute value of the correlation coefficient for OS and AUC for predicting 2-year survival by MK (rho = -0.565, AUC = 0.841) were higher than those by MD (rho = 0.492, AUC = 0.772), but the difference was not significant. Conclusion: DKI is a promising tool to predict the survival of HGG patients. MK and MD are independent predictors. MK is potentially better associated with OS than MD, which may lead to a more accurate evaluation of HGG patient survival.
基金:
National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [81570462, 30870702]; Natural Science Foundation of Fujian ProvinceNatural Science Foundation of Fujian Province [2018J05135]; Joint Funds for the Innovation of Science and Technology, Fujian province [2017Y9024]
第一作者单位:[1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Radiol, Wuhan 430030, Hubei, Peoples R China
通讯作者:
通讯机构:[1]Huazhong Univ Sci & Technol, Tongji Med Coll, Tongji Hosp, Dept Radiol, Wuhan 430030, Hubei, Peoples R China[*1]Tongji Hosp, Dept Radiol, 10-95 Jiefang Ave, Wuhan 430030, Hubei, Peoples R China
推荐引用方式(GB/T 7714):
Zhang Ju,Jiang Jingjing,Zhao Lingyun,et al.Survival prediction of high-grade glioma patients with diffusion kurtosis imaging[J].AMERICAN JOURNAL OF TRANSLATIONAL RESEARCH.2019,11(6):3680-3688.
APA:
Zhang,Ju,Jiang,Jingjing,Zhao,Lingyun,Zhang,Jiaxuan,Shen,Nanxi...&Zhu,Wenzhen.(2019).Survival prediction of high-grade glioma patients with diffusion kurtosis imaging.AMERICAN JOURNAL OF TRANSLATIONAL RESEARCH,11,(6)
MLA:
Zhang,Ju,et al."Survival prediction of high-grade glioma patients with diffusion kurtosis imaging".AMERICAN JOURNAL OF TRANSLATIONAL RESEARCH 11..6(2019):3680-3688