Genomic structures of dysplastic nodule and concurrent hepatocellular carcinoma

Although high-grade dysplastic nodule (HGDN) is a preneoplastic lesion that precedes hepatocellular carcinoma (HCC), the genomic structures of HGDN in conjunction with HCC remain elusive. The objective of this study was to identify genomic alterations of HGDN and its difference from HCC that may drive HGDN progression to HCC. We analyzed 16 regions of paired HGDN and HCC from 6 patients using whole-exome sequencing to find somatic mutation and copy number alteration (CNA) profiles of HGDN and HCC.

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