本文選題：聲觸診組織定量　切入點(diǎn)：肝局灶性病變　出處：《中國(guó)超聲醫(yī)學(xué)雜志》2015年12期 　論文類型：期刊論文

【摘要】：目的探討聲觸診組織定量(VTQ)技術(shù)診斷肝臟局灶性病變的臨床價(jià)值。方法分析163個(gè)肝臟局灶性病變,行常規(guī)超聲記錄病灶的位置、長(zhǎng)徑、短徑;應(yīng)用VTQ技術(shù)記錄病灶及其周圍肝實(shí)質(zhì)的剪切波速度(SWV)。采用ROC曲線評(píng)價(jià)VTQ技術(shù)鑒別良惡性病灶的診斷效能,采用多元線性逐步回歸分析方法分析SWV值的影響因素。結(jié)果 (1)良惡性病灶間SWV值差異有統(tǒng)計(jì)學(xué)意義。以SWV=2.25 m/s為診斷界點(diǎn),其靈敏度為90.1%,特異度為89.3%。(2)多元線性逐步回歸分析顯示病灶的病理類型是影響SWV的因素;而患者性別、年齡、病灶的位置、深度、長(zhǎng)徑、短徑對(duì)SWV值無(wú)明顯影響。結(jié)論 (1)VTQ技術(shù)能夠較準(zhǔn)確的鑒別肝臟良惡性病灶。(2)病灶的病理類型是影響SWV值的主要因素。
[Abstract]:Objective to evaluate the clinical value of acoustic palpation tissue quantification (VTQ) technique in the diagnosis of focal hepatic lesions. Methods 163 focal liver lesions were analyzed and the location, length and short diameter of the lesions were recorded by conventional ultrasound. VTQ technique was used to record the shear wave velocities of the lesions and their surrounding liver parenchyma. The ROC curve was used to evaluate the diagnostic efficacy of VTQ in differentiating benign and malignant lesions. Multivariate linear stepwise regression analysis was used to analyze the influencing factors of SWV value. Results (1) the difference of SWV value among benign and malignant lesions was statistically significant. SWV=2.25 m / s was taken as the diagnostic threshold. Multivariate linear stepwise regression analysis showed that the pathological type of the lesion was a factor affecting SWV, and the patient's sex, age, location, depth, length and diameter of the lesion, and the patient's sex, age, location, depth, length and diameter of the lesion. Conclusion VTQ technique can accurately differentiate the pathological types of benign and malignant liver lesions. The main factor affecting the SWV value is the short diameter.
【作者單位】： 青島大學(xué)附屬醫(yī)院超聲科;
【分類號(hào)】：R445.1;R735.7

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