Revision 8 for 'Hepatoblastoma (staging)'

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Hepatoblastoma (staging)

As expected there are a number of different staging systems for hepatoblastoma.

Intergroup staging system

  • stage I
    • complete surgical resection
  • stage II
    • IIa
      • complete macroscopic surgical resection
      • intrahepatic residual microscopic disease
    • IIb
      • complete macroscopic surgical resection
      • extrahepatic residual microscopic disease
  • stage III
    • IIIa
      • incomplete surgical resection with macroscopic residual AND / OR
      • significant tumor spill AND / OR
      • positive lymph node disease
    • IIIb
      • tumor not resected
  • stage IV
    • IVa
      • distant metastatic disease
      • primary tumor completely resected
    • IVb
      • distant metastatic disease
      • primary tumor incompletely resected

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