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Related Concept Videos

Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
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...
Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

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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...
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 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...

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Related Experiment Video

Updated: Jun 23, 2026

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis
08:56

Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis

Published on: February 10, 2015

Primary biliary cirrhosis in men.

M R Lucey, J M Neuberger, R Williams

    Gut
    |November 1, 1986
    PubMed
    Summary
    This summary is machine-generated.

    Primary biliary cirrhosis presents differently in men and women, with men experiencing less pruritus and skin pigmentation. While survival is similar, men have a higher risk of developing hepatoma.

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    Bile Duct Ligation in Mice: Induction of Inflammatory Liver Injury and Fibrosis by Obstructive Cholestasis
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    Published on: February 10, 2015

    Partial Bile Duct Ligation in the Mouse: A Controlled Model of Localized Obstructive Cholestasis
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    Published on: March 28, 2018

    Determining Bile Duct Density in the Mouse Liver
    07:35

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    Published on: April 30, 2019

    Area of Science:

    • Hepatology
    • Gastroenterology
    • Clinical Medicine

    Background:

    • Primary biliary cirrhosis (PBC) is a chronic liver disease.
    • Understanding sex-based differences in PBC presentation and progression is crucial for patient management.

    Purpose of the Study:

    • To investigate the differences in presenting features and clinical course of primary biliary cirrhosis between men and women.
    • To explore potential factors contributing to observed sex-based variations in PBC.

    Main Methods:

    • Retrospective review of 39 men and 191 women diagnosed with primary biliary cirrhosis between 1970 and 1984.
    • Comparison of demographic data, presenting symptoms (pruritus, skin pigmentation), associated autoimmune conditions, and clinical outcomes (survival, hepatoma development) between sexes.

    Main Results:

    • Age and disease severity at diagnosis were similar in both sexes.
    • Pruritus was significantly less common in men than women (p < 0.01), particularly compared to premenopausal women.
    • Skin pigmentation was less marked in men at diagnosis (p < 0.05).
    • Autoimmune conditions, such as sicca syndrome, were more prevalent in women.
    • Hepatoma developed significantly more frequently in male patients (p < 0.01), while overall survival was similar.

    Conclusions:

    • Primary biliary cirrhosis exhibits distinct clinical features in men and women, suggesting a potential role for sex hormones in symptom manifestation.
    • Men with PBC have a higher risk of developing hepatoma compared to women.
    • Further research into sex-specific pathomechanisms and risk factors for PBC complications is warranted.