4.6 Article

Non-invasive diagnosis strategy of hepatocellular carcinoma in low-risk population

期刊

BMC CANCER
卷 22, 期 1, 页码 -

出版社

BMC
DOI: 10.1186/s12885-022-09812-w

关键词

Hepatocellular carcinoma; LI-RADS; Diagnosis; Low-risk; Non-invasive

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资金

  1. National Natural Science Foundation of China [81971684, 81771908, 81874227]
  2. National Science Fund for Distinguished Young Scholars [81825013]
  3. Natural Science Foundation of Guangdong Province [2018A0303130165]
  4. Guangdong Basic and Applied Basic Research Foundation [2019A1515111168]

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The clinical model developed in this study achieved a satisfactory non-invasive diagnostic performance for HCC in low-risk population.
Aims With prevalence of hepatocellular carcinoma (HCC) in low-risk population (LRP), establishing a non-invasive diagnostic strategy becomes increasingly urgent to spare unnecessary biopsies in this population. The purposes of this study were to find characterisics of HCC and to establish a proper non-invasive method to diagnose HCC in LRP. Methods A total of 681 patients in LRP (defined as the population without cirrhosis, chronic HBV infection or HCC history) were collected from 2 institutions. The images of computed tomography (CT) and magnetic resonance imaging (MRI) were manually analysed. We divided the patients into the training cohort (n = 324) and the internal validating cohort (n = 139) by admission time in the first institution. The cohort in the second institution was viewed as the external validation (n = 218). A multivariate logistic regression model incorporating both imaging and clinical independent risk predictors was developed. C-statistics was used to evaluate the diagnostic performance. Results Besides the major imaging features of HCC (non-rim enhancement, washout and enhancing capsule), tumor necrosis or severe ischemia (TNSI) on imaging and two clinical characteristics (gender and alpha fetoprotein) were also independently associated with HCC diagnosis (all P < 0.01). A clinical model (including 3 major features, TNSI, gender and AFP) was built to diagnose HCC and achieved good diagnostic performance (area under curve values were 0.954 in the training cohort, 0.931 in the internal validation cohort and 0.902 in the external cohort). Conclusions The clinical model in this study developed a satisfied non-invasive diagnostic performance for HCC in LRP.

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