Study on susceptibility weighted imaging and intravoxel incoherent motion in the preoperative grading of gliomas

DU Changyue; MIAO Na; QI Xuhong; DONG Weimin; YU Yang; WEN Zhiyong

doi:10.19732/j.cnki.2096-6210.2019.03.003

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Study on susceptibility weighted imaging and intravoxel incoherent motion in the preoperative grading of gliomas

更新时间：2025-12-15

- Study on susceptibility weighted imaging and intravoxel incoherent motion in the preoperative grading of gliomas
- Vol. 28, Issue 3, Pages: 139-144(2019)
- 作者机构：
- 作者简介：
- 基金信息：
- DOI：10.19732/j.cnki.2096-6210.2019.03.003
  CLC：
- Published Online：19 July 2019，
  
  Published：19 July 2019
- 稿件说明：
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杜常月,苗娜,齐旭红,等. 磁敏感加权成像及体素内不相干运动成像在脑胶质瘤术前分级中的应用研究[J]. 肿瘤影像学, 2019, 28(3): 139-144 https://doi.

org/10.19732/j.cnki.2096-6210.2019.03.003
杜常月,苗娜,齐旭红,等. 磁敏感加权成像及体素内不相干运动成像在脑胶质瘤术前分级中的应用研究[J]. 肿瘤影像学, 2019, 28(3): 139-144 https://doi. DOI： 10.19732/j.cnki.2096-6210.2019.03.003.

org/10.19732/j.cnki.2096-6210.2019.03.003 DOI：

摘要

目的：

评价磁敏感加权成像（susceptibility weighted imaging，SWI）及体素内不相干运动（intravoxel incoherent motion，IVIM）成像在脑胶质瘤术前分级中的诊断价值。

方法：

纳入104例脑胶质瘤患者（低级别33例，高级别71例），术前进行SWI及IVIM成像，术后经病理学检查证实。记录肿瘤内磁敏感信号强度（intratumoral susceptibility signal intensity，ITSS）、快速表观扩散系数（fast apparent diffusion coefficient，fast ADC）、慢速表观扩散系数（slow apparent diffusion coefficient，slow ADC）、灌注分数f值及单指数模型参数标准表观扩散系数（standard apparent diffusion coefficient，standard ADC），用统计学方法对各参数进行分析。

结果：

高级别脑胶质瘤组的fast ADC、slow ADC、standard ADC和f值分别为（31.212.1）10

-3

、（0.460.22）10

-3

、（0.920.22）10

-3

/s和0.480.13，而低级别脑胶质瘤组的fast ADC、slow ADC、standard ADC和f值分别为（14.06.9）10

-3

、（0.880.24）10

-3

、（1.080.25）10

-3

/s和0.290.13。高级别胶质瘤组的ITSS、fast ADC及f值均高于低级别胶质瘤组，差异均有统计学意义（

＜0.05）。高级别胶质瘤组的slow ADC及standard ADC值均低于低级别胶质瘤组，差异均有统计学意义（

＜0.05）。

结论：

通过对SWI及IVIM成像进行对比及联合分析，可进一步提高术前脑胶质瘤分级的灵敏度和特异度。

Abstract

Objective:

To evaluate the diagnostic value of susceptibility weig

hted imaging (SWI) and intravoxel incoherent motion (IVIM) in grading of brain glioma.

Methods:

Including 104 patients with glioma (33 patients with low-grade glioma

71 patients with high-grade glioma)

SWI and IVIM were performed before operation. All cases were confirmed by postoperative histopathology. Recorded the intratumoral susceptibility signal intensity (ITSS)

fast apparent diffusion coefficient (fast ADC)

slow apparent diffusion coefficient (slow ADC)

f value and standard apparent diffusion coefficient (standard ADC). Analysed all parameters with statistical methods.

Results:

The fast ADC

slow ADC

standard ADC and f value of the high-grade glioma group were (31.212.1)10

-3

(0.460.22)10

-3

(0.920.22) 10

-3

and 0.480.13. The fast ADC

slow ADC

standard ADC

and f value of the low-grade glioma group were (14.06.9)10

-3

(0.880.24)10

-3

(1.080.25)10

-3

and 0.290.13. ITSS

fast ADC and f value of high-grade glioma group were higher than those of low-grade glioma group

the differences were statistically significant（

0.05）. Slow ADC and standard ADC of high-grade glioma group were lower than those of low-grade glioma group

the differences were statistically significant（

0.05）.

Conclusion:

By comparing and combining SWI and IVIM

the sensitivity and specificity of preoperative glioma grading were further improved.

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