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Related Concept Videos

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...
Acute Pancreatitis I: Introduction01:25

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: Introduction01:27

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:
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...
Acute Pancreatitis II: Pathophysiology01:21

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...

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Related Experiment Video

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Sodium Taurocholate Induced Severe Acute Pancreatitis in C57BL/6 Mice
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Autoimmune pancreatitis: a message from Japan.

Makoto Otsuki1

  • 1Department of Gastroenterology and Metabolism, University of Occupational and Environmental Health, Japan, School of Medicine, 1-1 Iseigaoka, Yahatanishi, Kitakyushu, 807-8555, Japan.

Journal of Gastroenterology
|May 24, 2007
PubMed
Summary

Autoimmune pancreatitis (AIP) is a distinct chronic pancreatitis form in older adults. Prompt response to steroid therapy aids diagnosis, but imaging is crucial to rule out pancreatic cancer.

Area of Science:

  • Gastroenterology
  • Immunology
  • Radiology

Background:

  • Autoimmune pancreatitis (AIP) is a unique chronic pancreatitis subtype.
  • Typically affects older individuals and presents with autoantibodies and elevated immunoglobulins.
  • Characterized by pancreatic enlargement, main pancreatic duct narrowing, and lymphoplasmacytic inflammation.

Purpose of the Study:

  • To describe the key features of autoimmune pancreatitis.
  • To highlight the diagnostic role of imaging and response to steroid therapy.
  • To differentiate AIP from pancreatic and common bile duct cancers.

Main Methods:

  • Review of clinical, laboratory, and radiological findings in AIP patients.
  • Utilized ultrasonography (US) and computed tomography (CT) for imaging.

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Preparation of Mouse Pituitary Immunogen for the Induction of Experimental Autoimmune Hypophysitis
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  • Assessed response to oral steroid therapy.

    • Main Results:

    • AIP presents with obstructive jaundice, epigastralgia, and diabetes mellitus.
    • Imaging reveals diffuse or focal pancreatic enlargement and main pancreatic duct narrowing.
    • Patients show a favorable response to oral steroid therapy.

    Conclusions:

    • Prompt response to steroids is indicative of AIP but not definitive.
    • Distinguishing AIP from malignancy requires careful imaging evaluation.
    • AIP is a treatable condition with characteristic clinical and radiological features.