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[Papillary epithelial tumors of the pancreas]
Arkhiv Patologii
|September 1, 1995
Abstract:
4 cases of papillary epithelial tumors (PET) of the pancreas which were initially diagnosed erroneously are described in females aged 12, 14, 14 and 41 years. PET are circumscribed tumors up to 10 cm in diameter containing numerous cysts. Cyto- and histologically they are papillary-solid tumors with hyalinosis, myxomatosis, hemorrhage and necrosis. Zymogen type granules, ring-membranous inclusions were found electron microscopically. Some cells have a structure of oncocytes. Differential diagnostic features of PET are specified.