4.3 Article

US LI-RADS visualization score: diagnostic outcome of ultrasound-guided focal hepatic lesion biopsy in patients at risk for hepatocellular carcinoma

期刊

ULTRASONOGRAPHY
卷 40, 期 1, 页码 167-175

出版社

KOREAN SOC ULTRASOUND MEDICINE
DOI: 10.14366/usg.19066

关键词

Liver; Hepatocellular carcinoma; Ultrasonography; Biopsy; Diagnosis

资金

  1. National Research Foundation of Korea (NRF) - Korean government (MSIT) [NRF-2019R1G1A1099743]

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This study found that ultrasound-guided biopsy had a high diagnostic yield for focal hepatic lesions in patients at risk for hepatocellular carcinoma. US visualization score of B or C, lesion size =2.0 cm, and high-risk needle pathway usage were independent risk factors for non-diagnostic results.
Purpose: This study investigated the diagnostic outcome of ultrasound (US)-guided focal hepatic lesion biopsy in patients at risk for hepatocellular carcinoma (HCC) and evaluated the US visualization score as a risk factor for non-diagnostic results. Methods: We retrospectively evaluated 208 focal hepatic lesions in 208 patients who underwent US- guided biopsy in 2016. Using the US Liver Imaging Reporting and Data System version 2017, each exam was assigned a US visualization score (A, B, or C). Final diagnoses were made using pathology reports, and biopsy results were categorized as diagnostic or non-diagnostic. Univariable and multivariable analyses were performed to determine risk factors for non-diagnostic results, including US visualization score and other clinical covariates. Results: Of the 208 lesions, 85.1% were diagnostic and 14.9% were non-diagnostic. The rates of non-diagnostic results were 8.9%, 25.5%, and 57.1% for scores of A, B, and C, respectively. In the univariable analysis, scores of B or C were associated with a significantly higher rate of nondiagnostic results than scores of A (58.1% vs. 24.9%, P<0.001). In the multivariable analysis, US visualization score of B or C (adjusted odds ratio [aOR], 2.7; P=0.027), high-risk needle pathway usage (aOR, 5.7; P=0.001), and lesion size <= 2.0 cm (aOR, 2.7; P=0.024) were independent risk factors for non-diagnostic results. Conclusion: US-guided biopsy had a high diagnostic yield for focal hepatic lesions in patients at risk for HCC. US visualization score of B or C, lesion size =2.0 cm, and high-risk needle pathway usage were independent risk factors for non-diagnostic results.

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