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. 2012 Jul;47(7):1331-9.
doi: 10.1016/j.jpedsurg.2011.11.073.

Changing treatment and outcome of children with hepatoblastoma: analysis of a single center experience over the last 20 years

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Changing treatment and outcome of children with hepatoblastoma: analysis of a single center experience over the last 20 years

Hor Ismail et al. J Pediatr Surg. 2012 Jul.

Abstract

Background/purpose: The aim of the study was to analyze changing management and survival of children with hepatoblastoma (HBL) treated in one center.

Materials and methods: Over the last 20 years, 51 children with HBL were treated. Surgery was performed in 48 children (94.1%), conventional liver resection in 38 (of those, 2 received a rescue liver transplantation [LTx] for relapse), and total hepatectomy and primary LTx in 10 patients. The remaining 3 patients received only palliative treatment. Patient data were analyzed for survival with respect to PRETreatment EXTent of disease (PRETEXT), metastases, histopathology, conventional resection, and LTx.

Results: Survival of children with HBL treated with liver resection is 71% and 80% for primary LTx. Favorable prognostic factors for patient survival was tumor histology as epithelial-fetal subtype and mixed epithelial and mesenchymal type, without teratoid features, and good response to chemotherapy (necrosis, fibrosis). Unfavorable prognostic factors were small cells undifferentiated, transitional liver cell tumor, α-fetoprotein level above 1,000,000 IU/mL and below 100 IU/mL at diagnosis, lung metastases, and local recurrence after initial resection. Survival was related to PRETEXT stage. However, among patients with PRETEXT III and IV, LTx resulted in better survival.

Conclusion: Liver transplantation is a good option for children with advanced HBL. Early referral of children with potentially unresectable tumors to centers where combined treatment (chemotherapy, surgery including LTx) is available is crucial.

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