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Hepatoblastoma - Fetal pattern

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The histologic classification includes epithelial (~50%), mixed epithelial-mesenchymal (~45%), and anaplastic (undifferentiated) variants. The epithelial type consists of fetal hepatocytes, embryonic hepatocytes, or both. Fetal epithelial-type hepatoblastomas (as seen here) grow in cords of small hepatocytes that resemble adult liver cells. Mitoses are rare. The purely fetal type has the best prognosis.

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