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  • Title: [Clinical and pathological analysis on characteristics of primary biliary cirrhosis].
    Author: Zhou GD, Zhao JM, Wang SS, Sun YL, Meng EH, Zhang TH, Liu P.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2003 Aug; 11(8):483-6. PubMed ID: 12939182.
    Abstract:
    OBJECTIVES: To explore the clinical and pathological features and the pathogenesis of primary biliary cirrhosis (PBC) in Chinese Mainland. METHODS: 30 PBC patients were divided into the early group (Scheuer stage I and II, 19 patients) and the late group (Scheuer stage III and IV, 11 patients). The data of clinics and serology were analyzed, and the pathological features of the liver tissues were characterized. The changes of dendritic cells (DCs) and hepatic stellate cells (HSCs) were studied by immunohistochemistry. RESULTS: In all the PBC patients, the rate of the male to the female was 1 to 5, and the average age was 40.6 years. The mean levels of TBiL, ALP and GGT in the sera were (95.9+-88.5) micromol/L, (537.2+-339.2) U/L, and (582.0+-351.2) U/L, respectively. 73.3% patients showed AMA positive, and the level of GGT was positively correlated with the AMA level according to the result of statistical analysis (r=0.778, P=0.000). The symptoms of jaundice and hepatomegaly were presented more commonly in the late group than those in the early group (chi2=5.182, P<0.05; chi2=13.659, P<0.01, respectively). The main changes of morphology of PBC located in portal tracts. The liver tissues in the early stage of PBC showed the damage of bile ducts and obvious proliferation of small bile ducts. The granulomas, the lymphoid follicles and the foamy cells were found in the liver tissues of PBC (2/19 patients, 12/19 patients, and 10/19 patients in the early stage respectively, while 0/11 patients, 4/11 patients, and 3/11 patients in the late stage respectively). There was significant difference between the early stage and the late stage in presence of the lymphoid follicles and the foamy cells (t=4.489, P<0.05; t=4.019, P<0.05, respectively). The biliary pigmentary particles were mainly accumulated in the liver cells around the portal tracts in 90.0% PBC patients, and the accumulation of copper and iron increased, compared with that in normal specimens. The DCs and HSCs located mainly in the portal tracts, especially around the damaged bile ducts. CONCLUSIONS: There are some clinical and pathological characteristics in the patients with PBC. The level of AMA has no direct relationship with the level of transaminase or bilirubin. The proliferated bile ductules may express the antigens which maybe the target of immune attack. As an antigen-presenting cell, DCs may play an important role in the pathogenesis of PBC.
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