Histopathologic study of coexistent pathologic states in pancreatic fibrosis in patients with chronic alcohol abuse: two distinct pathologic fibrosis entities with different mechanisms.
The distribution and clinicopathologic features of pancreatic fibrosis were studied histopathologically in 137 autopsy cases of chronic alcohol abuse. Fibrosis was observed in 90 of the cases and was classified as perilobular sclerosis (PS) and intralobular sclerosis (IS). Fibrosis of the PS type was irregular and sometimes patchy and extended into the intralobular area in advanced cases. In some advanced cases, complete replacement of the pancreatic tissue by extensive fibrosis was seen. Fibrosis of the IS type was uniformly distributed. The tissues in some cases showed prominently periacinar fibrosis. In these cases, the pancreatic parenchyma had not been completely replaced by extensive fibrosis. Clinicopathologic comparisons revealed the following results: accompanying liver cirrhosis was greater in the IS than in the PS of fibrosis. However, a higher frequency of protein plugs, pancreatic stones, extensive fibrosis replacement, peripancreatic fibrosis, splenic vein involvement, choledochus involvement, pseudocyst, and ductal hyperplasia was found in the PS type compared to the IS type. In conclusion, the findings on the perilobular and intralobular distribution of fibrosis and differences in various components or accompanying diseases in pancreatic fibrosis suggest that this entity shows two distinct pathologic patterns with differing mechanisms.
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- DOI : http://dx.doi.org/10.1097/00006676-199605000-00008
- Lippincott Williams & Wilkins_OVID : 저널
- Lippincott Williams & Wilkins : 저널 > 논문
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