hepatoblastoma histological classification

Although hepatoblastomas can be histologically classified into a variety of subtypes, it is important to remember that with the possible exception of small cell undifferentiated subtype, prognosis is independent of histology when adjusted for stage gender and age .

  • major categories
    • epithelial
      • fetal, well differentiated
      • embryonal
      • macrotrabecular
    • mixed
    • small cell undifferentiated
    • rhabdoid
  • minor categories
    • cholangioblastic (ductal)
    • keratinizing squamous epithelium
    • intestinal glandular epithelium
    • teratoid (neuroid-melanocytic)
    • rhabdomyoblastic
    • chondroid
    • osteoid
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