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Related Concept Videos

Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

918
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...
918
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

572
The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
572
Acute Pancreatitis I: Introduction01:25

Acute Pancreatitis I: Introduction

26
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...
26
Acute Pancreatitis II: Pathophysiology01:21

Acute Pancreatitis II: Pathophysiology

49
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...
49
Chronic Pancreatitis I: Introduction01:25

Chronic Pancreatitis I: Introduction

27
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%...
27
Chronic Pancreatitis II: Pathophysiology01:21

Chronic Pancreatitis II: Pathophysiology

35
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...
35

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Related Experiment Video

Updated: May 5, 2026

A Mouse Model for Chronic Pancreatitis via Bile Duct TNBS Infusion
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Chronic pancreatitis: diagnosis, classification, and new genetic developments.

B Etemad1, D C Whitcomb

  • 1Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.

Gastroenterology
|February 17, 2001
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Recent advances offer new insights into chronic pancreatitis causes. A pancreatic biopsy should be the gold standard for diagnosis, with improved classification and staging needed for better patient outcomes.

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Last Updated: May 5, 2026

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Published on: February 28, 2021

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An Obstructive Chronic Pancreatitis Model Established Through Electrocoagulation
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Area of Science:

  • Gastroenterology and Hepatology
  • Molecular Biology
  • Medical Imaging

Background:

  • Recent molecular, genomic, and imaging advances illuminate chronic pancreatitis (CP) pathogenesis.
  • Understanding genetic, environmental, immunologic, and pathobiological factors is crucial.

Purpose of the Study:

  • To reassess current diagnostic, classification, and staging approaches for chronic pancreatitis.
  • To emphasize the need for improved diagnostic standards and risk stratification.

Main Methods:

  • Review of current diagnostic modalities including computed tomography (CT), endoscopic retrograde pancreatography (ERP), endoscopic ultrasonography (EUS), and magnetic resonance imaging (MRI).
  • Introduction of the TIGAR-O system for classifying major predisposing risk factors (Toxic-metabolic, Idiopathic, Genetic, Autoimmune, Recurrent/severe acute pancreatitis, Obstructive).

Main Results:

  • Pancreatic biopsy is proposed as the gold standard for CP diagnosis.
  • The TIGAR-O system categorizes key risk factors for CP.
  • Staging of pancreatic function, injury, and fibrosis is identified as a critical next step.

Conclusions:

  • Clinical practice requires updated diagnostic and classification strategies for chronic pancreatitis.
  • Further research is essential for understanding the natural history and developing interventions for CP.
  • Pancreatic biopsy should be the benchmark for evaluating diagnostic accuracy in chronic pancreatitis.