Papillary-cystic neoplasm of the pancreas

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A case of an unusual pancreatic lumor with a characteristic papillary cystic microscopic morphology is presented. Review of lour previously reported similar cases suggests a distinct clinical picture of a large abdominal mass occurring in a young person which apparently, after resection, does not rapidly recur. The histopathology of this tumor consists of papillary and cystic patterns, regular homogeneous cells with few mitoses, glassy eosinophilie cytoplasm, and mucin and PAS positivity. Ultraslructural detail, including eccentric nucleoli, numerous mitochondria, sparse endoplasmic reticulum, and little evidence of secretory activity, suggests a duct cell origin for this rare tumor.

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