Research advances in pancreaticobiliary maljunction

Xiaoxuan TANG; Lei WANG; Bin ZHANG

doi:10.12449/JCH250129

Volume 41 Issue 1

Jan. 2025

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Article Navigation > Journal of Clinical Hepatology > 2025 > 41(1): 189-194

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Research advances in pancreaticobiliary maljunction

DOI: 10.12449/JCH250129

Xiaoxuan TANG¹,
Lei WANG¹,
Bin ZHANG^{1, 2
,
,
,}

1.
Department of Gastroenterology，The Affiliated Drum Tower Hospital of Nanjing University Medical School，Nanjing 210008，China
2.
Department of Gastroenterology，Gaochun People’s Hospital，Nanjing 211300，China

Research funding:

Jiangsu Natural Science Foundation (BK20191119);

Jiangsu Provincial Medical Youth Talent (QNRC2016031)

More Information

Corresponding author: ZHANG Bin， billzhangnju@foxmail.com （ORCID： 0000-0003-3516-8105）
Received Date: 2024-04-16
Accepted Date: 2024-07-22
Published Date: 2025-01-25

Abstract

Abstract

Pancreaticobiliary maljunction （PBM） is a rare congenital developmental defect of the biliary-pancreatic system characterized by a junction of the pancreatic and bile ducts outside the duodenal wall， forming an extended common channel. This anatomical anomaly compromises the normal function of Oddi’s sphincter， weakens defenses against reflux， and thus triggers a series of biliary and pancreatic complications. Although there is a relatively low incidence rate of PBM， its insidious clinical symptoms often lead to delayed diagnosis， which increases the difficulties in treatment and the risk of poor prognosis. For PBM patients with marked bile duct dilatation， surgical intervention， especially cholecystectomy combined with extrahepatic bile duct resection and bile duct-jejunum Roux-en-Y anastomosis， remains the standard treatment at present. For PBM without marked bile duct dilatation， there are still controversies over related treatment strategies， and most experts are in favor of cholecystectomy， while there is still a lack of consensus on the management of extrahepatic bile ducts， which requires further research and exploration. Endoscopic retrograde cholangiopancreatography （ERCP） is currently the gold standard for diagnosing PBM and assessing pancreaticobiliary abnormalities， and it can not only clarify the nature of lesion， but also collect the bile and biliary duct tissue for pathological examination. ERCP also has the function of interventional treatment， such as stenting， expansion， and drainage， thereby bringing benefits to patients comorbid with biliary neoplasms. However， the application of ERCP in screening is limited by its invasiveness， with increases in technique complexity and the risk of complications in the pediatric population. This article summarizes the definition， classification， pathogenesis， and epidemiological features of PBM and the research advances in current diagnosis and treatment strategies， in order to provide guidance for clinical practice.
- Pancreaticobiliary Maljunction,
- Disease Attributes,
- Diagnosis,
- Therapeutics

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References

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Research advances in pancreaticobiliary maljunction

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