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Diagnostic value of two dimensional shear wave elastography combined with texture analysis in early liver fibrosis

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单位: [1]Department of Ultrasound, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China [2]Medical Imaging Center, Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China [3]Institute of Ultrasound, Thomas Jefferson University Hospital, Philadelphia, PA 19107, United States
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关键词: Elastography Two-dimensional shear wave Texture analysis Liver fibrosis Staging

摘要:
BACKGROUND Staging diagnosis of liver fibrosis is a prerequisite for timely diagnosis and therapy in patients with chronic hepatitis B. In recent years, ultrasound elastography has become an important method for clinical noninvasive assessment of liver fibrosis stage, but its diagnostic value for early liver fibrosis still needs to be further improved. In this study, the texture analysis was carried out on the basis of two dimensional shear wave elastography (2D-SWE), and the feasibility of 2D-SWE plus texture analysis in the diagnosis of early liver fibrosis was discussed. AIM To assess the diagnostic value of 2D-SWE combined with textural analysis in liver fibrosis staging. METHODS This study recruited 46 patients with chronic hepatitis B. Patients underwent 2D-SWE and texture analysis; Young's modulus values and textural patterns were obtained, respectively. Textural pattern was analyzed with regard to contrast, correlation, angular second moment (ASM), and homogeneity. Pathological results of biopsy specimens were the gold standard; comparison and assessment of the diagnosis efficiency were conducted for 2D-SWE, texture analysis and their combination. RESULTS 2D-SWE displayed diagnosis efficiency in early fibrosis, significant fibrosis, severe fibrosis, and early cirrhosis (AUC > 0.7, P < 0.05) with respective AUC values of 0.823 (0.678-0.921), 0.808 (0.662-0.911), 0.920 (0.798-0.980), and 0.855 (0.716-0.943). Contrast and homogeneity displayed independent diagnosis efficiency in liver fibrosis stage (AUC > 0.7, P < 0.05), whereas correlation and ASM showed limited values. AUC of contrast and homogeneity were respectively 0.906 (0.779-0.973), 0.835 (0.693-0.930), 0.807 (0.660-0.910) and 0.925 (0.805-0.983), 0.789 (0.639-0.897), 0.736 (0.582-0.858), 0.705 (0.549-0.883) and 0.798 (0.650-0.904) in four liver fibrosis stages, which exhibited equivalence to 2D-SWE in diagnostic efficiency (P > 0.05). Combined diagnosis (PRE) displayed diagnostic efficiency (AUC > 0.7, P < 0.01) for all fibrosis stages with respective AUC of 0.952 (0.841-0.994), 0.896 (0.766-0.967), 0.978 (0.881-0.999), 0.947 (0.835-0.992). The combined diagnosis showed higher diagnosis efficiency over 2D-SWE in early liver fibrosis (P < 0.05), whereas no significant differences were observed in other comparisons (P > 0.05). CONCLUSION Texture analysis was capable of diagnosing liver fibrosis stage, combined diagnosis had obvious advantages in early liver fibrosis, liver fibrosis stage might be related to the hepatic tissue hardness distribution.

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出版当年[2018]版:
大类 | 4 区 医学
小类 | 3 区 医学:内科
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出版当年[2017]版:
Q2 MEDICINE, GENERAL & INTERNAL
最新[2023]版:
Q3 MEDICINE, GENERAL & INTERNAL

影响因子: 最新[2023版] 最新五年平均[2021-2025] 出版当年[2017版] 出版当年五年平均[2013-2017] 出版前一年[2016版] 出版后一年[2018版]

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第一作者单位: [1]Department of Ultrasound, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China [2]Medical Imaging Center, Affiliated Hospital of Weifang Medical University, Weifang 261031, Shandong Province, China
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通讯机构: [1]Department of Ultrasound, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China [*1]Department of Ultrasound, Beijing Friendship Hospital, Capital Medical University, No. 95 Yongan Road, Xicheng District, Beijing 100050, China
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