Clinical and histological findings of pancreatic carcinoma in a 6-year-old boy are reported. Gradual change of histological appearance of the tumor during his course of 3 years and elevation of serum alpha-1-fetoprotein (AFP) are documented. Two biopsy specimens showed immature histological appearance compatible with pancreatoblastoma, and autopsy material showed well-differentiated adenocarcinoma with distinct ductal and acinar differentiation. Electron microscopy demonstrated zymogen-like granules in the apical portion of the neoplastic cells. Immunoperoxidase method demonstrated AFP in the neoplastic cells in addition to alpha-1-antitrypsin. Literature of pancreatic tumor in the young was reviewed, and characteristics of this case were discussed.
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Ohaki et al. (1985) studied this question.
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