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Related Concept Videos

Cirrhosis I: Introduction01:23

Cirrhosis I: Introduction

Cirrhosis is a chronic, irreversible liver disease characterized by the widespread replacement of healthy liver tissue with fibrotic scar tissue and the formation of regenerative nodules.Etiology of cirrhosisCirrhosis results from sustained liver injury that triggers progressive fibrosis and structural remodeling. The underlying causes are diverse, encompassing common and less frequent clinical conditions. Regardless of the origin, all causes lead to chronic inflammation, hepatocyte loss, and...
Cirrhosis II: Pathophysiology01:24

Cirrhosis II: Pathophysiology

Cirrhosis is a progressive chronic liver injury caused by prolonged inflammation, excessive fibrotic remodeling, and impaired regeneration. Over time, repeated hepatic insults disrupt the liver’s architecture and function, leading to reduced blood flow, impaired bile drainage, and diminished metabolic capacity.Pathophysiology of cirrhosisCirrhosis arises from three main responses to chronic liver damage: inflammation, immune activation, and hepatocyte death. These processes lead to structural...
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

Chronic pancreatitis is a progressive and irreversible inflammation of the pancreas, most often caused by long-term alcohol abuse, but it can also be related to ductal obstruction, smoking, or genetic factors.Chronic pancreatitis occurs when the pancreas is repeatedly exposed to harmful agents like alcohol, smoking, ductal obstruction, or genetic predisposition. These factors lead to the release of toxic metabolites and inflammatory cytokines, sustaining chronic inflammation in the pancreatic...
Chronic Pancreatitis I: Introduction01:25

Chronic Pancreatitis I: Introduction

Chronic pancreatitis is a long-standing, relapsing inflammation of the pancreas, characterized by irreversible damage to the gland. It results in progressive destruction of the pancreatic parenchyma, fibrosis, and eventual loss of both exocrine and endocrine function. The disease may evolve gradually after multiple episodes of acute pancreatitis or develop independently.EtiologyChronic pancreatitis can arise from a variety of causes:Alcohol use is the leading cause, accounting for 70–80% of...
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Diseases of the Liver and Gallbladder01:26

Diseases of the Liver and Gallbladder

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.
Cirrhosis is characterized by the scarring of hepatic lobules in the liver, which are replaced by fibrous tissue, affecting the liver's normal functioning. NAFLD, on the other hand, is caused by an excessive build-up of fat in the liver, not related to...

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Related Experiment Video

Updated: Jun 1, 2026

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb
04:50

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb

Published on: January 17, 2025

Primary biliary cirrhosis.

Bhavik M Bhandari1, Hasan Bayat, Kenneth D Rothstein

  • 1Division of Gastroenterology & Hepatology, Drexel University College of Medicine, 219 North Broad Street, Fifth Floor, Philadelphia, PA 19107, USA. bhandabh@gmail.com

Gastroenterology Clinics of North America
|May 24, 2011
PubMed
Summary
This summary is machine-generated.

Primary biliary cirrhosis is a chronic autoimmune liver disease primarily affecting middle-aged women, characterized by bile duct inflammation and antimitochondrial antibodies. Ursodeoxycholic acid is the standard treatment, improving survival but not preventing eventual cirrhosis.

Related Experiment Videos

Last Updated: Jun 1, 2026

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb
04:50

Complete Laparoscopic Radical Resection of Perihilar Cholangiocarcinoma Type IIIb

Published on: January 17, 2025

Area of Science:

  • Hepatology
  • Immunology
  • Gastroenterology

Background:

  • Primary biliary cirrhosis (PBC) is a chronic, autoimmune liver disease.
  • It predominantly affects middle-aged women with an insidious onset.
  • Key symptoms include fatigue, pruritus, and elevated alkaline phosphatase.

Purpose of the Study:

  • To describe the characteristics of primary biliary cirrhosis.
  • To outline the diagnostic hallmarks and histological findings.
  • To discuss current treatment strategies and their limitations.

Main Methods:

  • Review of clinical presentation and laboratory findings.
  • Histopathological examination of liver biopsies.
  • Analysis of treatment outcomes with ursodeoxycholic acid.

Main Results:

  • The presence of antimitochondrial antibodies is a hallmark diagnostic marker.
  • Histology shows bile duct inflammation, cholangiocyte destruction, and cholestasis.
  • Ursodeoxycholic acid improves survival but does not halt disease progression to cirrhosis.

Conclusions:

  • Primary biliary cirrhosis is a progressive autoimmune liver disease.
  • Early diagnosis and treatment with ursodeoxycholic acid are crucial for managing symptoms and improving survival.
  • Long-term management is necessary due to the potential for cirrhosis and liver failure.