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[1]茹云,喬宏宇,李新苗.MRI水-脂分離Dixon技術(shù)與彌散加權(quán)成像技術(shù)在良惡性椎體壓縮性骨折診斷中的應(yīng)用[J].中醫(yī)正骨,2021,33(10):47-51.
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MRI水-脂分離Dixon技術(shù)與彌散加權(quán)成像技術(shù)在良惡性椎體壓縮性骨折診斷中的應(yīng)用()
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《中醫(yī)正骨》[ISSN:1001-6015/CN:41-1162/R]

卷:
第33卷
期數(shù):
2021年10期
頁碼:
47-51
欄目:
影像診斷
出版日期:
2021-10-20

文章信息/Info

作者:
茹云喬宏宇李新苗
(浙江省榮軍醫(yī)院,浙江 嘉興 314001)
關(guān)鍵詞:
骨折壓縮性 脊柱骨折 磁共振成像 水-脂分離Dixon技術(shù) 彌散磁共振成像
摘要:
目的:探討MRI水-脂分離Dixon技術(shù)與彌散加權(quán)成像(diffusion weighted imaging,DWI)技術(shù)在良惡性椎體壓縮性骨折診斷中的應(yīng)用價值。方法:回顧性分析60例椎體壓縮性骨折患者的病例資料,按病理檢查結(jié)果不同將其分為良性組和惡性組,其中良性組34例、惡性組26例。所有患者均行MRI常規(guī)矢狀位T1WI、T2WI、短時反轉(zhuǎn)恢復(fù)序列掃描和T2WI-Dixon、DWI序列掃描。比較2組患者病變椎體信號強度比(signal intensity ratio,SIR)、脂肪信號分數(shù)(fat-signal fraction,FF)以及表面彌散系數(shù)(apparent diffusion coefficient,ADC)。采用受試者工作特征(receiver operator characteristic,ROC)曲線分析評價應(yīng)用SIR、FF、ADC診斷良惡性椎體壓縮性骨折的準(zhǔn)確性。結(jié)果:良性組患者SIR低于惡性組[(0.78±0.21)%,(1.29±0.35)%,t=6.619,P=0.000],FF、ADC均高于惡性組[(20.45±5.84)%,(14.83±3.37)%,t=-4.677,P=0.000;(1.89±0.51)×10-3 mm2·s-1,(1.24±0.28)×10-3 mm2·s-1,t=-6.338,P=0.000]。經(jīng)ROC分析,應(yīng)用SIR、FF及ADC診斷良惡性椎體壓縮性骨折的敏感度分別為0.769、0.808、0.962,特異度分別為0.941、0.765、0.735; ROC曲線下面積分別為0.885、0.804及0.870。結(jié)論:應(yīng)用MRI水-脂分離Dixon技術(shù)與DWI技術(shù)可有效區(qū)分良惡性椎體壓縮性骨折。

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通訊作者:茹云 E-mail:[email protected]
更新日期/Last Update: 1900-01-01