Hepatoblastoma classification

Hepatoblastoma Microchapters
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Nawal Muazam M.D.[2]

Overview

Hepatoblastoma may be classified into two subtypes based on histology, pure fetal histology hepatoblastoma and small cell undifferentiated hepatoblastoma.

Classification

Hepatoblastoma may be classified into subtypes based on histology:

• Major categories

• Epithelial

• Fetal, well differentiated
• Embryonal
• Macrotrabecular

• Mixed
• Small cell undifferentiated
• rhabdoid

• Minor categories

• Cholangioblastic (ductal)
• Keratinising squamous epithelium
• Intestinal glandular epithelium
• Teratoid (neuroid-melanocytic)
• Rhabdomyoblastic
• Chondroid
• Osteoid

References

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