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Chronic Pancreatitis I: Introduction

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...

Chronic Pancreatitis I: Introduction

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: Pathophysiology

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...

Acute Pancreatitis II: Pathophysiology

Acute Pancreatitis II: Pathophysiology

The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...

Acute Pancreatitis I: Introduction

Acute Pancreatitis I: Introduction

Acute pancreatitis is the sudden inflammation of the pancreas caused by the early activation of digestive enzymes, leading to the autodigestion of pancreatic tissue. This results in local inflammation and, in severe cases, systemic complications.EtiologyUnderstanding the underlying causes is crucial, as identifying the etiology guides treatment and anticipates complications. Acute pancreatitis can be triggered by various factors, typically grouped into the following clinical categories.Biliary...

Acute Pancreatitis I: Introduction

Acute Pancreatitis I: Introduction

Pancreatitis is inflammation of the pancreas, an organ located behind the stomach. It can be either acute or chronic.
Acute pancreatitis is characterized by rapid inflammation of the pancreas, often caused by factors like gallstone blockage or excessive alcohol consumption. Chronic pancreatitis, on the other hand, is a slow, progressive inflammation that may result from long-term alcohol abuse, obstructions in the pancreatic duct, or genetic factors.
The causes of acute pancreatitis include:

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Related Experiment Video

Updated: Jul 1, 2026

Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection

Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection

Published on: May 10, 2024

Alpha-1-antitrypsin deficiency panniculitis.

Ricardo Valverde¹, Belén Rosales, Francisco Javier Ortiz-de Frutos

¹"Hospital Universitario Doce de Octubre", Universidad Complutense, Madrid, Spain.

Dermatologic Clinics

|September 17, 2008

Summary

Alpha-1-antitrypsin deficiency can cause panniculitis, a skin condition with nodular lesions. Early diagnosis and treatment are crucial for managing this rare metabolic disorder.

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Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice

Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice

Published on: June 28, 2021

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Last Updated: Jul 1, 2026

Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection

Preparing a Mice Model of Severe Acute Pancreatitis via a Combination of Caerulein and Lipopolysaccharide Intraperitoneal Injection

Published on: May 10, 2024

Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice

Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice

Published on: June 28, 2021

Area of Science:

Metabolic Disorders
Dermatology
Genetics

Background:

Alpha-1-antitrypsin deficiency is a genetic condition affecting the lungs and liver.
Panniculitis, a form of inflammation of subcutaneous fat, has been linked to this deficiency since 1972.
It presents as nodular lesions on the trunk and extremities, potentially leading to ulceration.

Purpose of the Study:

To review the clinical and histopathological features of panniculitis associated with alpha-1-antitrypsin deficiency.
To discuss diagnostic challenges and differential diagnoses.
To summarize current and potential treatment strategies.

Main Methods:

Literature review of cases and studies on alpha-1-antitrypsin deficiency and panniculitis.
Analysis of clinical presentations, histopathological findings, and treatment outcomes.
Comparison with other forms of panniculitis and neutrophilic dermatoses.

Main Results:

Panniculitis in alpha-1-antitrypsin deficiency exhibits a mixed septal-lobular pattern.
Clinical manifestations include nodular lesions with ulceration and drainage.
Variable efficacy has been observed with treatments like tetracyclines, dapsone, and AAT augmentation therapy.

Conclusions:

Panniculitis is a recognized manifestation of alpha-1-antitrypsin deficiency.
Accurate diagnosis requires differentiating it from other inflammatory skin conditions.
Management involves addressing the underlying deficiency and symptomatic treatment, with ongoing research into optimal therapies.