Hepatoblastoma with pure fetal epithelial differentiation in a 10-year-old boy: A rare case report and review of the literature

Medicine
Shanshan ZhongChuifeng Fan

Abstract

Hepatoblastoma is a rare malignant embryonal tumor that only accounts for approximately 1% of all pediatric cancers and mostly develops in children younger than 5 years old. Moreover, the occurrence of hepatoblastoma in adults is extremely rare. Herein, we present a rare case of hepatoblastoma with pure epithelial differentiation in a 10-year-old boy.Pathological examination was performed. The tumor was 15 cm × 15 cm in size with clear margins. The cut surface was multiple nodular and grey-yellow. Histologically, the small cuboidal tumor cells were arranged in trabeculae with 2-3 cell layers. The tumor cells had eosinophilic or clear cytoplasm, formed dark and light areas, and were positive for alpha-fetoprotein, CK, CK8/18, CD10, hepatocyte, and GPC3. CD34 staining revealed that the sinusoids were lined by endothelial cells in the tumor tissues. The Ki67 index was approximately 20%. Based on these findings, the case was diagnosed as hepatoblastoma with pure fetal epithelial differentiation. The tumor was completely removed. No recurrence was found 3 months after the operation. Hepatoblastoma with pure epithelial differentiation can also occur in older children. Children rarely notice and report any physical abnormality, and th...Continue Reading

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Citations

Sep 14, 2020·Asia-Pacific Journal of Clinical Oncology·Huimin HuDongsheng Huang

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