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磁敏感加權(quán)成像血管結(jié)構(gòu)半定量評(píng)分法對(duì)顱內(nèi)膠質(zhì)瘤分級(jí)的診斷價(jià)值

發(fā)布時(shí)間:2018-07-21 09:54
【摘要】:目的探討磁敏感加權(quán)成像(susceptibility weighted imaging,SWI)血管結(jié)構(gòu)半定量評(píng)分法對(duì)顱內(nèi)膠質(zhì)瘤分級(jí)的診斷價(jià)值。 方法回顧性分析36例(15例低級(jí)別膠質(zhì)瘤和21例高級(jí)別膠質(zhì)瘤)膠質(zhì)瘤患者的影像資料,患者于術(shù)前行磁共振常規(guī)平掃、增強(qiáng)和SWI掃描,SWI原始圖像經(jīng)后處理后得到最小強(qiáng)度投影圖(minimum intensity projection,MinIP)。采用盲法,兩名高年資神經(jīng)影像診斷醫(yī)師分別觀察SWIminIP圖腫瘤內(nèi)新生血管數(shù)目并進(jìn)行評(píng)分,,分析兩組膠質(zhì)瘤血管評(píng)分有無(wú)差異。 結(jié)果15例低級(jí)別膠質(zhì)瘤,6例血管評(píng)分為0分,9例血管評(píng)分為1分;21例高級(jí)別膠質(zhì)瘤,18例血管評(píng)分為2分,2例血管評(píng)分為3分,1例血管評(píng)分為1分。低級(jí)別膠質(zhì)瘤組與高級(jí)別膠質(zhì)瘤組血管評(píng)分有統(tǒng)計(jì)學(xué)意義(Z值為-5.327,P值0.05)。 結(jié)論磁敏感加權(quán)成像血管結(jié)構(gòu)半定量評(píng)分法有助于顱內(nèi)高、低級(jí)別膠質(zhì)瘤的初步分級(jí)診斷。
[Abstract]:Objective to evaluate the diagnostic value of magnetic sensitivity weighted imaging (susceptibility weighted imagingsSWI) in the diagnosis of intracranial gliomas. Methods the imaging data of 36 cases of gliomas (15 cases of low grade gliomas and 21 cases of high grade gliomas) were retrospectively analyzed. After post-processing, the minimum intensity projection (minimum intensity projectionMinIP was obtained. The number of neovascularization in glioma was observed by two senior neuroimaging diagnostics with blind method and the difference between the two groups was analyzed. Results in 15 cases of low grade glioma, 6 cases had 0 score, 9 cases had 1 score, 21 cases had high grade glioma, 18 cases had blood vessel score, 2 cases had 3 points, 1 case had blood vessel score, 1 case had blood vessel score. There was significant difference in blood vessel score between low grade glioma group and high grade glioma group (Z value -5.327 P value 0.05). Conclusion the semi-quantitative scoring method of vascular structure in magnetic sensitivity weighted imaging is helpful for the initial grade diagnosis of high and low grade intracranial gliomas.
【學(xué)位授予單位】:寧夏醫(yī)科大學(xué)
【學(xué)位級(jí)別】:碩士
【學(xué)位授予年份】:2014
【分類(lèi)號(hào)】:R445.2;R739.41

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