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[1]方金平,劉飛斌,李冬冬,等.CT改良骨窗在急性隱匿性骨質(zhì)疏松性椎體壓縮骨折診斷中的應(yīng)用價值[J].中醫(yī)正骨,2021,33(10):52-55.
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CT改良骨窗在急性隱匿性骨質(zhì)疏松性椎體壓縮骨折診斷中的應(yīng)用價值()
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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:
52-55
欄目:
影像診斷
出版日期:
2021-10-20

文章信息/Info

作者:
方金平劉飛斌李冬冬鄭登峰盧衛(wèi)龍王哲翔
(臺州市博愛醫(yī)院,浙江 臺州 318050)
關(guān)鍵詞:
脊柱骨折 骨折壓縮性 骨質(zhì)疏松性骨折 隱匿性 體層攝影術(shù)X線計算機(jī) 窗技術(shù)
摘要:
目的:探討CT改良骨窗在急性隱匿性骨質(zhì)疏松性椎體壓縮骨折(osteoporotic vertebral compression fracture,OVCF)診斷中的應(yīng)用價值。方法:納入46例急性O(shè)VCF患者的胸腰椎CT圖像,由2名影像專業(yè)副主任醫(yī)師在PACS工作站分別采用常規(guī)骨窗(窗寬1500 Hu、窗位500 Hu)和改良骨窗(窗寬400 Hu、窗位214 Hu)診斷急性隱匿性O(shè)VCF,記錄診斷結(jié)果及閱片時間,評價2名醫(yī)師診斷結(jié)果的一致性; 與MRI診斷結(jié)果比較,分析常規(guī)骨窗和改良骨窗診斷急性隱匿性O(shè)VCF的敏感度、特異度、陽性預(yù)測值、陰性預(yù)測值和準(zhǔn)確度。結(jié)果:共納入367個椎體的CT圖像,常規(guī)骨窗診斷急性隱匿性O(shè)VCF椎體38個,其中假陽性椎體4個; 改良骨窗診斷急性隱匿性O(shè)VCF椎體47個,其中假陽性椎體1個; MRI確診急性O(shè)VCF椎體50個。2名醫(yī)師診斷結(jié)果的一致性較好(Kappa值=0.856)。常規(guī)骨窗診斷急性隱匿性O(shè)VCF的敏感度為68.0%、特異度為98.7%、陽性預(yù)測值為89.5%、陰性預(yù)測值為95.1%、準(zhǔn)確度為94.5%; 改良骨窗診斷急性隱匿性O(shè)VCF的敏感度為92.0%、特異度為99.7%、陽性預(yù)測值為97.9%、陰性預(yù)測值為98.7%、準(zhǔn)確度為98.6%。改良骨窗診斷急性隱匿性O(shè)VCF的敏感度、陰性預(yù)測值、準(zhǔn)確度均高于常規(guī)骨窗(χ2=9.000,P=0.003; χ2=7.091,P=0.008; χ2=12.960,P=0.000)、閱片時間短于常規(guī)骨窗[(58.1±12.4)s,(117.5±27.1)s,t=39.873,P=0.000],2種骨窗診斷急性隱匿性O(shè)VCF的特異度、陽性預(yù)測值比較,組間差異無統(tǒng)計學(xué)意義(χ2=1.814,P=0.178; χ2=2.593,P=0.107)。結(jié)論:采用CT改良骨窗診斷急性隱匿性O(shè)VCF,與常規(guī)骨窗相比,敏感度、陰性預(yù)測值和準(zhǔn)確度高,且閱片時間短,具有較高的應(yīng)用價值。

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