中国中西医结合影像学杂志2012，Vol.10Issue(5)：388-391,4.DOI:10.3969/j.issn.1672-0512.2012.05.002
SWI在胶质瘤分级中的应用价值
The clinical application of susceptibility weighted imaging in evaluating the histopathologic grade of cerebral gliomas
摘要
Abstract
Objective.-To evaluate the diagnostic value of susceptibility weighted imaging(SWI)for cerebral gliomas at 3. 0 T. Methods:Thirty-two patients with histologically proved cerebral gliomas(20 high-grade and 12 low-grade gliomas) underwent conventional MR imaging(T2WI, T, FLAIR, T2FLAIR, contrasted T1 FLAIR) and SWI. All SWI images were reviewed independently by two radiologists who did not know the surgical or pathological results, including: identifying blood products, venous vasculature, calcification in gliomas, and the intratumoral susceptibility signals (ITSS) on SWI were graded. Results: Hy pointensity(dotlike or linier)on SWI of WHO Grade 2 tumors indicates vascular structure and that on SWI of higher grade tumors indicates both vascular and hemorrhagic lesions in almost equal numbers. Mean grading scores of ITSS in the tumor were higher for high-grade gliomas than for low-grade gliomas( Z = - 3. 308,P<0. 01). The degree of ITSS showed a correlation with the classification of gliomas(r=0. 616,P<0. 0001). Conclusion:SWI call be used as a complementary sequence for gliomas imaging,which offers more complete and detailed information combining with others sequence,SWI may be useful in preopera tive grading the brain gliomas at 3. 0 T.关键词
神经胶质瘤/磁共振成像Key words
Glioma/ Magnetic resonance imaging分类
医药卫生引用本文复制引用
张玉东,侯键,张志伟,罗天友..SWI在胶质瘤分级中的应用价值[J].中国中西医结合影像学杂志,2012,10(5):388-391,4.基金项目
重庆市科技攻关计划项目(编号:CSTC2009AC5146). （编号:CSTC2009AC5146）
