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Comparison of Contrast-Enhanced Ultrasonography with Virtual Touch Tissue Quantification in the Evaluation of Focal Liver Lesions

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单位: [1]China Japan Friendship Hosp, Dept Ultrasonog, Beijing, Peoples R China [2]Fourth Mil Med Univ, Xijing Hosp, Dept Ultrasonog, Xian, Peoples R China [3]China Japan Friendship Hosp, Dept Radiol, Beijing, Peoples R China [4]Kuopio Univ Hosp, Dept Clin Radiol, Kuopio, Finland
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关键词: acoustic radiation force impulse focal liver lesions contrast-enhanced ultrasonography shear-wave elastography

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Purpose. To evaluate the diagnostic efficacy of virtual touch tissue quantification (VTQ) and contrast-enhanced ultrasonography (CEUS), separately and in combination, in diagnosing malignant focal liver lesions (FLLs). Methods. Forty-six patients with 55 FLLs (28 benign and 27 malignant) underwent both VTQ and CEUS. The diagnostic values of VTQ and CEUS, alone and in combination, were compared. Results. The diagnostic sensitivity, specificity, accuracy, positive predictive value (PPV), and negative predictive value (NPV) of CEUS were 92.6% (25/27), 96.4% (27/28), 94.5% (52/55), 96.2% (25/26), and 93.1% (27/29), respectively. The diagnostic sensitivity, specificity, accuracy, PPV, and NPV of VTQ with a cutoff of 2.22 m/s were 51.9% (14/27), 85.7% (24/28), 69.1% (38/55), 77.8% (14/18), and 64.9% (24/37), respectively. The diagnostic sensitivity, specificity, accuracy, PPV, and NPV of VTQ and CEUS combined were 96.3% (26/27), 82.1% (23/28), 89.1% (49/55), 83.9% (26/31), and 95.8% (23/24), respectively. Comparing the accuracies of the three methods, the diagnostic values of CEUS and of the combination of CEUS with VTQ were significantly higher than those of VTQ alone (p <= 0.01). There was no significant difference between the combination of CEUS with VTQ and CEUS (p = 0.49). Conclusions. CEUS is superior to VTQ in diagnosing malignant FLLs. Adding VTQ to CEUS did not improve the diagnosis of FLLs. (C) 2016 Wiley Periodicals, Inc.

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出版当年[2015]版:
大类 | 4 区 医学
小类 | 4 区 声学 4 区 核医学
最新[2025]版:
大类 | 4 区 医学
小类 | 4 区 声学 4 区 核医学
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出版当年[2014]版:
Q3 ACOUSTICS Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
最新[2023]版:
Q3 ACOUSTICS Q3 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING

影响因子: 最新[2023版] 最新五年平均[2021-2025] 出版当年[2014版] 出版当年五年平均[2010-2014] 出版前一年[2013版] 出版后一年[2015版]

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第一作者单位: [1]China Japan Friendship Hosp, Dept Ultrasonog, Beijing, Peoples R China
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