Hepatic steatosis background in chronic hepatitis B and C - significance of similarities and differences.
نویسندگان
چکیده
The aim of our study was to investigate comparatively the steatotic background in viral chronic hepatitis B, C and mixed types, in correlation with the severity degree of specific liver lesions. The study group consisted of 1206 liver biopsy specimens, etiologically diagnosed as hepatitis C - 1021 (84.66%) cases, hepatitis B - 100 (8.29%) cases, hepatitis B and C - 39 (3.23%) cases, hepatitis B and D - 39 (3.23%) cases, hepatitis C and toxicity - six (0.49%) cases, hepatitis B, C and D - one case (0.08%). The histopathological assessment focused on the steatotic lesions associated with inflammation and fibrosis. The cases were classified according to necrosis and inflammatory activity (score between 0-12) and fibrosis (score between 0-4). Our data indicates significant association of steatotic lesions in hepatitis C (76.59%) as opposed to other types of viral hepatitis. In mixed hepatitis B and C, steatotic lesions are more frequent (66.66%) than in chronic hepatitis B (47%) and in mixed chronic B and D hepatitis (48.72%). Steatosis was present in all cases with chronic hepatitis C and associated toxicity. These observations confirm the important aggressiveness of hepatitis C virus as opposed to hepatitis B and D virus. The analysis of the pattern of steatosis in correlation with necrosis and inflammatory activity and fibrosis, respectively, lead to the identification of certain specific elements. Thus, for all types of hepatitis, steatosis is associated predominantly with moderate severity (score 6-8) and progressive expansion of fibrosis (score 2-3). The presence of steatosis does not define hepatic lesions with severe inflammation (score 9-12) nor those with extended fibrosis (score 4). The type of steatosis present is mostly macrovesicular, the transformation into lipid cysts being uncommon. Based on the scoring systems applied in the evaluation of the entire investigated study group, we believe that a possible inclusion of a quantifiable criterion for steatosis could be beneficial in order to complete the characterization of the severity of the lesions, from the point of view of the potential for future evolution, reversible or irreversible.
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عنوان ژورنال:
- Romanian journal of morphology and embryology = Revue roumaine de morphologie et embryologie
دوره 55 3 Suppl شماره
صفحات -
تاریخ انتشار 2014