高度异型增生结节与高分化小肝细胞癌的病理诊断

Pathology-based differential diagnosis of high-grade dysplastic nodule from well-differentiated small hepatocellular carcinoma

高度异型增生结节（high-grade dysplastic nodules，HGDN）和高分化小肝细胞癌（well—differentiated small hepatocellular carcinoma，WD-SHCC）是肝脏癌前病变逐步发展演变成肝细胞癌（HCC）过程中最为重要的两个衔接过渡环节。