title: Incidental pancreatography via ERCP in patients with anomalous pancreaticobiliary junction does not result in pancreatitis in a North American population.
abstract: BACKGROUND
  Anomalous pancreaticobiliary junction (APBJ) is the term used to describe anatomical variants of pancreatic and biliary ductal junctional anatomy. Patients have junction of the pancreatic and bile ducts located outside the duodenal wall, forming a long common channel. We report our findings and clinical outcomes in a North American series of patients with APBJ undergoing ERCP.
  
  
  METHODS
  Retrospective chart review.
  
  
  RESULTS
  We reviewed 2,218 ERCP performed on 1,050 patients. Twelve patients (1.1%) with APBJ were identified (5F, 7M). No patient had an associated choledochocele. Mean age was 53.2 (range 17-85). A total of 43 ERCP procedures were performed on these 12 patients. All patients experienced passive pancreatography. No patient developed post-ERCP pancreatitis. Only one patient had a history of antecedent pancreatitis.
  
  
  CONCLUSIONS
  In North American patients undergoing ERCP, 1.1% of patients had APBJ. Our study population was predominately Caucasian, male, and in all but one patient lacked a history of prior pancreatitis. No patient developed post-ERCP pancreatitis. This suggests that APBJ may have different clinical manifestations in a North American population when compared to Asian populations.
authors.affiliation: Division of Gastroenterology and Hepatology, Department of Medicine, School of Medicine, University of Utah, 30 North 1900 East, SOM 4R118, Salt Lake City, UT 84132-2410, USA.
authors.forename: Amer A
authors.initials: AA
authors.lastname: Alkhatib
authors.forename: Kristen
authors.initials: K
authors.lastname: Hilden
authors.forename: Douglas G
authors.initials: DG
authors.lastname: Adler
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002760:Cholangiopancreatography, Endoscopic Retrograde / Q000009:adverse effects*; D003135:Common Bile Duct / Q000002:abnormalities* / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010183:Pancreatic Ducts / Q000002:abnormalities* / Q000000981:diagnostic imaging; D010195:Pancreatitis / Q000209:etiology*; D055815:Young Adult
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