Focal acinar cell dysplasia in human pancreas

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Abstract
A series of 108 prospectively collected human pancreata were evaluated histologically for the presence of acinar cell and ductal lesions. Foci of dysplastic acinar cells were present in 44% of the series. Some of the focal acinar cell abnormalities were similar to atypical acinar cell nodules which have been described in carcinogen-treated experimental animals. The incidence of nodules was higher among patients with a history of heavy cigarette smoking than among nonsmokers, and among patients with a history of alcohol abuse than among abstainers. The presence of dysplastic acinar cell nodules in a pancreas seemed unrelated to the presence of cancer in other sites, or diabetes. Ductal epithelial abnormalities were more frequent than focal acinar cell dysplasia.