Eur Radiol:用ADC值搞定椎体血管瘤与恶性肿瘤的鉴别诊断!

2017-12-06 shaosai MedSci原创

本研究旨在验证典型椎体血管瘤的表观扩散系数值(ADC)并将其与恶性肿瘤的ADC值进行鉴别,最终将结果发表在Eur Radiol上。

本研究旨在验证典型椎体血管瘤的表观扩散系数值(ADC)并将其与恶性肿瘤的ADC值进行鉴别,最终将结果发表在Eur Radiol上。

本研究共纳入了106例患有多发骨髓瘤、乳腺或前列腺转移瘤的患者,并行全身磁共振成像(MRI)扫描。测量典型椎体血管瘤与恶性局灶性椎体肿瘤的ADC值。

血管瘤(72 ROIs,中位ADC 1,085×10 -6mm 2s -1, 四分间距为 927-1,295×10 -6mm 2s -1)的ADC值要明显高于恶性椎体局灶肿瘤(97 ROIs, 中位 ADC 682×10 -6mm 2s -1, 四分间距为583-781×10 -6mm 2s -1)(p < 10 -6)。ROC曲线分析的曲线下面积为0.93。鉴别血管瘤与恶性椎体局灶性肿瘤的最佳ADC截断值为872×10 -6mm 2s -1,敏感性和特异性分别为84.7 %、91.8 %。

本研究表明,典型椎体血管瘤的ADC值要明显高于恶性椎体肿瘤。血管瘤ADC值较高,这有助于视觉上及定量鉴别恶性活动性肿瘤。

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    2017-12-08 dingxiaobo
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    2017-12-08 周虎

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