Pathological anatomy of neoplasms of the pancreas. II. Tumors of the endocrine pancreas

: The authors make a review of the exocrine pancreas tumors describing the main clinical, pathological and histogenetic features. The benign neoplasms develop generally from the ductal epithelium and may be cystic or mucinous, the last type suffering some times a malignant transformation. The malignant tumors are very common; histogenetically they may be ductal, acinar or of uncertain origin. Tumor localization, size and invasion are to be taken into consideration for the prognosis.