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. 2023 Apr 27;15(4):577-584.
doi: 10.4254/wjh.v15.i4.577.

Clinicopathological features of 11 cases of chronic hepatitis B infection complicated with primary biliary cholangitis

Yun Ye  1 , Qian Zhang  1 , Zhong-Hua Lu  2 , You-Wen Tan  3
Affiliations

Clinicopathological features of 11 cases of chronic hepatitis B infection complicated with primary biliary cholangitis

Yun Ye et al. World J Hepatol. .

Abstract

Background: Only a few cases of chronic hepatitis B (CHB) with primary biliary cholangitis (PBC) have been reported based on histological evidence from liver biopsies.

Aim: To observe the clinicopathological features and outcomes of 11 patients with CHB infection complicated by PBC.

Methods: Eleven patients with CHB and PBC who underwent liver biopsy at the Zhenjiang Third Hospital, affiliated with Jiangsu University, and Wuxi Fifth People's Hospital, from January 2005 to September 2020, were selected. All patients initially visited our hospital with CHB and were pathologically diagnosed with CHB and PBC.

Results: Only five had elevated alkaline phosphatase levels, nine were positive for anti-mitochondrial antibody (AMA)-M2, and two were negative for AMA-M2. Two had jaundice and pruritus symptoms, 10 had mildly abnormal liver function, and one had severely elevated bilirubin and liver enzyme levels. The pathological characteristics of CHB complicated by PBC overlapped with those of PBC-autoimmune hepatitis (AIH). When necroinflammation of the portal area is not obvious, the pathological features of PBC are predominant, similar to the features of PBC alone. When the interface is severe, biliangitis will occur, with a large number of ductular reactions in zone 3. Unlike the PBC-AIH overlap pathology, this pathology is characterized by a small amount of plasma cell infiltration. Unlike PBC, lobulitis is often observed.

Conclusion: This is the first large case series to show that the rare pathological features of CHB with PBC are similar to those of PBC-AIH and small duct injury was observed.

Keywords: Anti-mitochondrial antibody; Chronic hepatitis B; Clinicopathological features; Primary biliary cholangitis.

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Conflict of interest statement

Conflict-of-interest statement: The authors have no conflict of interest.

Figures

Figure 1
Figure 1
Histological characteristics of liver in patient 3. A: Severe necroinflammation of the portal tract, chronic non-suppurative cholangitis and florid duct injury (arrow); B: CK7 staining showed interfacial ductular reaction (arrow); C: Hepatitis B surface antigen staining showed hepatitis B infection (arrow).
See this image and copyright information in PMC

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