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Related Concept Videos

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
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Chronic Pancreatitis I: Introduction01:24

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The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
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The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
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Endoscopic Procedures V: ERCP01:26

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Endoscopic Retrograde Cholangiopancreatography (ERCP) is a diagnostic procedure that combines endoscopy and fluoroscopy to diagnose and treat conditions related to the bile ducts, pancreatic ducts, and gallbladder. This procedure is beneficial for identifying and addressing blockages, gallstones, strictures, and tumors within the biliary or pancreatic systems. ERCP is both diagnostic and therapeutic, offering the ability to visualize and treat identified problems in one session.
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Diseases of the Liver and Gallbladder01:26

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Liver and gallbladder diseases are a significant health concern, with prominent conditions including cirrhosis, hepatitis, non-alcoholic fatty liver disease (NAFLD), and gallstones. Jaundice is a common manifestation of liver and biliary disease.
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Updated: May 22, 2025

Murine Precision-Cut Liver Slices as an Ex Vivo Model of Liver Biology
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Primary sclerosing cholangitis.

Michael P Manns1, Annika Bergquist2, Tom H Karlsen3,4

  • 1Hannover Medical School (MHH) and Centre for Individualised Infection Medicine (CiiM), Hannover, Germany. manns.michael@mh-hannover.de.

Nature Reviews. Disease Primers
|March 14, 2025
PubMed
Summary
This summary is machine-generated.

Primary sclerosing cholangitis (PSC) is a rare autoimmune liver disease causing bile duct inflammation and fibrosis. Current treatments offer limited survival benefits, highlighting the need for novel therapies and improved quality of life.

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Area of Science:

  • Hepatology
  • Autoimmune Diseases
  • Gastroenterology

Background:

  • Primary sclerosing cholangitis (PSC) is a chronic, progressive autoimmune liver disease characterized by bile duct inflammation and fibrosis.
  • It often co-occurs with inflammatory bowel disease (IBD), affecting all races and ages, predominantly young males.
  • The etiology and pathophysiology remain largely unknown, despite its autoimmune basis.

Purpose of the Study:

  • To summarize current knowledge on PSC, including its diagnosis, management, and associated risks.
  • To identify unmet medical needs in PSC treatment and patient care.
  • To review emerging therapeutic strategies and their potential impact on survival and quality of life.

Main Methods:

  • Review of existing literature on PSC epidemiology, pathogenesis, clinical manifestations, and treatment.
  • Analysis of diagnostic modalities, including Magnetic Resonance Imaging (MRI) and endoscopic interventions.
  • Evaluation of current and investigational therapeutic approaches, encompassing medical, endoscopic, and surgical options.

Main Results:

  • PSC leads to bile duct strictures, bacterial cholangitis, liver decompensation, and often necessitates liver transplantation.
  • Ursodeoxycholic acid is commonly used for cholestasis but does not improve transplant-free survival.
  • Significant research is underway for novel therapies targeting bile acid pathways, inflammation, and the gut microbiome.

Conclusions:

  • PSC is a complex autoimmune liver disease with significant morbidity and mortality, lacking approved medical therapies to improve survival.
  • Accurate diagnosis via MRI and judicious endoscopic intervention are crucial.
  • Ongoing research into novel therapeutics and microbiome manipulation offers hope for improved patient outcomes.