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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...

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Related Experiment Video

Updated: Jul 19, 2026

Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency

Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency

Published on: February 2, 2024

Pancreatic adenocarcinoma.

Wolfgang Schima¹, Ahmed Ba-Ssalamah, Claus Kölblinger

¹Department of Radiology, Medical University of Vienna, Waehringer Guertel 18-20, 1090, Vienna, Austria. wolfgang.schima@meduniwien.ac.at

European Radiology

|October 6, 2006

Summary

Pancreatic adenocarcinoma detection and staging are improved by multidetector-row CT (MDCT) and MRI. Endosonography offers high sensitivity for small cancers and guides biopsies for histologic diagnosis.

Related Experiment Videos

Last Updated: Jul 19, 2026

Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency

Reprogramming Pancreatic Ductal Adenocarcinoma to Pluripotency

Published on: February 2, 2024

Area of Science:

Gastroenterology
Radiology
Oncology

Background:

Pancreatic adenocarcinoma is the most common malignant pancreatic tumor, often diagnosed at an unresectable stage.
Helical computed tomography (CT) has limitations in detecting small cancers and assessing resectability due to missed metastases or vascular infiltration.

Purpose of the Study:

To evaluate the effectiveness of advanced imaging techniques for detecting and staging pancreatic adenocarcinoma.
To compare the diagnostic capabilities of multidetector-row CT (MDCT), magnetic resonance imaging (MRI), and endosonography.

Main Methods:

Review of helical CT, multidetector-row CT (MDCT), contrast-enhanced MRI, and mangafodipir-enhanced MRI.
Evaluation of endosonography for small cancer detection and image-guided biopsy.

Main Results:

MDCT offers improved visualization of vascular involvement compared to helical CT.
MDCT is equivalent to MRI for adenocarcinoma detection; MRI serves as a problem-solving tool for equivocal CT findings.
Mangafodipir-enhanced MRI improves tumor-pancreas contrast for small cancer diagnosis.
Endosonography demonstrates high sensitivity (up to 98%) for small pancreatic cancers and is ideal for image-guided biopsy.

Conclusions:

MDCT and MRI enhance the detection and staging of pancreatic adenocarcinoma.
Endosonography is a valuable tool for diagnosing small pancreatic cancers and obtaining histologic confirmation.
Advanced imaging modalities improve the management of pancreatic cancer by providing more accurate staging and diagnostic information.