Primary Sclerosing Cholangitis with Inflammatory Bowel Disease in Korean Children

Jisun Yoon1, Seak Hee Oh1, Hyun Jin Kim1

  • 1Department of Pediatrics, Asan Medical Center Children's Hospital, University of Ulsan College of Medicine, Seoul, Korea.

Insights

In children, primary sclerosing cholangitis (PSC) is always associated with inflammatory bowel disease (IBD). This study highlights the significant incidence of PSC in pediatric IBD patients, emphasizing the need for concurrent management.

Area of Science:

  • Pediatric Gastroenterology
  • Hepatology
  • Autoimmune Diseases

Background:

  • Primary sclerosing cholangitis (PSC) is a rare chronic liver disease often linked with inflammatory bowel disease (IBD).
  • Understanding the association between PSC and IBD in pediatric populations is crucial for early diagnosis and management.
  • Pediatric PSC presents unique challenges due to its rarity and potential long-term complications.

Purpose of the Study:

  • To evaluate the incidence and clinical characteristics of PSC in children.
  • To investigate the association between PSC and IBD in a pediatric cohort.
  • To assess the long-term outcomes of pediatric patients with PSC and IBD.

Main Methods:

  • Retrospective analysis of 13 pediatric patients (<18 years) diagnosed with PSC between 1989 and 2013.
  • Evaluation of the incidence of PSC among 600 Crohn disease and 210 ulcerative colitis patients.
  • Review of clinical findings, disease progression, and long-term outcomes.

Main Results:

  • All 13 pediatric PSC patients had concurrent IBD (12 ulcerative colitis, 1 Crohn disease).
  • The cumulative incidence of PSC was 5.7% in ulcerative colitis and 0.2% in Crohn disease.
  • Over a median follow-up of 77.3 months, 15.4% developed liver cirrhosis, and 15.4% developed colorectal cancer; no cholangiocarcinoma was observed.

Conclusions:

  • Pediatric PSC is consistently associated with IBD, with a notable incidence in ulcerative colitis.
  • The findings suggest PSC is not as rare in children with IBD as previously thought.
  • Clinicians should consider PSC in pediatric IBD patients and IBD in pediatric PSC patients for comprehensive care.
Abstract

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