不同超声技术对肝脏局灶性病变的特征性分析：一项前瞻性研究
Focal hepatic lesions characterisation by different sonographic techniques: a prospective analysis.
作者信息
Ranga Upasana, Kalra Naveen, Saxena Akshay K, Bhatia Anmol, Sandhu Manavjit S, Duseja Ajay K, Chawla Yogesh K, Khandelwal Niranjan
机构信息
Departments of Radiodiagnosis and Imaging, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012 India.
Departments of Hepatology, Post Graduate Institute of Medical Education and Research, Sector-12, Chandigarh, 160012 India.
出版信息
J Ultrasound. 2015 Jun 23;19(1):15-23. doi: 10.1007/s40477-015-0172-3. eCollection 2016 Mar.
INTRODUCTION
Ultrasound is usually the first diagnostic investigation for the assessment of liver lesions. Apart from conventional sonography (CS), new grey-scale sonographic techniques have been developed which have increased the application of ultrasound in liver imaging. The present study was undertaken to compare image quality of CS, real-time compound sonography (RTCS), tissue harmonic sonography (THS) and tissue harmonic compound sonography (THCS) in focal liver lesions.
MATERIALS AND METHODS
100 patients with focal hepatic lesions were enroled. Lesions were divided into solid and cystic group. Solid lesions were evaluated for lesion conspicuity and elimination of artefacts. For cystic lesions, lesion conspicuity, posterior acoustic enhancement and internal echoes within the lesion were evaluated. Grading was done using 3-5-point scales. Overall image quality was assessed depending on the total points.
RESULTS
78 solid and 22 cystic liver lesions were included. THCS showed superior results for lesion conspicuity, elimination of artefacts and overall image quality in solid lesions. RTCS showed similar results as THCS for lesion conspicuity and overall image quality in solid lesions. THS gave better results in cystic lesions for all imaging parameters. Results of THCS though slightly inferior, showed no significant difference from THS, in cystic lesions. CS was found to have least diagnostic value in characterisation.
CONCLUSIONS
For evaluation of focal hepatic lesions, a combination of compound and harmonic sonography, i.e. THCS, is the preferred sonographic technique.
引言
超声通常是评估肝脏病变的首选诊断检查方法。除了传统超声检查（CS）外，还开发了新的灰阶超声技术，这增加了超声在肝脏成像中的应用。本研究旨在比较CS、实时复合超声检查（RTCS）、组织谐波超声检查（THS）和组织谐波复合超声检查（THCS）在肝脏局灶性病变中的图像质量。
材料与方法
纳入100例肝脏局灶性病变患者。病变分为实性和囊性组。对实性病变评估病变的清晰度和伪像消除情况。对于囊性病变，评估病变的清晰度、后方回声增强和病变内部回声。使用3至5分制进行分级。根据总分评估整体图像质量。
结果
共纳入78例实性和22例囊性肝脏病变。在实性病变中，THCS在病变清晰度、伪像消除和整体图像质量方面显示出更好的结果。在实性病变的病变清晰度和整体图像质量方面，RTCS与THCS结果相似。在囊性病变的所有成像参数方面，THS表现更佳。在囊性病变中，THCS的结果虽略逊一筹，但与THS无显著差异。发现CS在病变特征描述方面诊断价值最低。
结论
对于肝脏局灶性病变的评估，复合超声和谐波超声相结合的技术，即THCS，是首选的超声检查技术。
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