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Related Experiment Videos

Features predicting unresectability in hepatoblastoma.

Lorenzo D'Antiga1, Francesca Vallortigara, Umberto Cillo

  • 1Department of Pediatrics, University of Padova, Padova, Italy. lorenzo.dantiga@pediatria.unipd.it

Cancer
|July 31, 2007
PubMed
Summary
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Hepatoblastoma patients with unresectable tumors benefit from early liver transplantation referral. Key predictors for unresectability include multifocal disease and high tumor extent scores, guiding timely OLT decisions.

Area of Science:

  • Pediatric Oncology
  • Surgical Oncology
  • Hepatobiliary Surgery

Background:

  • Hepatoblastoma (HB) frequently presents with unresectable disease post-chemotherapy, necessitating alternative treatments.
  • Orthotopic liver transplantation (OLT) is a critical option for unresectable HB cases, typically performed one month after preoperative chemotherapy (POC).

Purpose of the Study:

  • To identify clinical and pathological features predicting unresectability in hepatoblastoma patients after POC.
  • To guide early referral and listing for OLT in select HB cases.

Main Methods:

  • Retrospective review of patient records, including notes, radiology, and histology.
  • Definition of unresectable disease included bilobar involvement, vascular invasion, or metastasis post-POC.
  • Failed conservative treatment (FCT) defined as lack of disease-free status in the native liver one year post-surgery.

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Main Results:

  • Of 28 patients, 14 had resection, 10 required OLT, and 4 had tumor progression without surgery; 5-year survival was 76%.
  • Predictors of FCT included multifocality, high PRETEXT scores (III/IV), portal vein, hepatic vein, and vena cava involvement.
  • Younger age at presentation correlated with successful curative resection; multifocal disease and low alpha-fetoprotein (<100 ng/mL) predicted the need for OLT.

Conclusions:

  • Combined chemotherapy and surgery yield high survival rates for hepatoblastoma.
  • Older patients with multifocal tumors, advanced PRETEXT scores, major vessel involvement, and low alpha-fetoprotein are less likely to achieve curative resection.
  • Early consultation with transplantation centers is crucial for patients presenting with these risk factors.