Related Experiment Video
Updated: Jun 22, 2026
11:10
Isolation of Human Islets from Partially Pancreatectomized Patients
Published on: July 30, 2011
Autoimmune pancreatitis: differences between the focal and diffuse forms in 87 patients.
Luca Frulloni1, Chiara Scattolini, Massimo Falconi
1Department of Biomedical and Surgical Sciences, University of Verona, Verona, Italy. luca.frulloni@univr.it
The American Journal of Gastroenterology
|July 2, 2009
Summary
Autoimmune pancreatitis (AIP) has distinct focal and diffuse forms. Focal AIP shows higher recurrence rates, particularly in smokers and those with elevated IgG4 levels, suggesting different management strategies.
Area of Science:
- Gastroenterology and Immunology
- Pancreatic Diseases
- Autoimmune Disorders
Background:
- Autoimmune pancreatitis (AIP) is a distinct form of chronic pancreatitis.
- AIP presents in two main subtypes: diffuse and focal.
- Understanding the clinical and instrumental differences between these subtypes is crucial for effective management.
Purpose of the Study:
- To analyze the clinical and instrumental features of diffuse and focal AIP.
- To identify factors influencing recurrence rates in AIP patients.
- To evaluate treatment responses and therapeutic options for relapsing AIP.
Main Methods:
- Retrospective analysis of 87 AIP patients diagnosed between 1995 and 2008.
- Classification of patients into focal (63%) and diffuse (37%) AIP subtypes.
- Assessment of clinical presentation, serum IgG4 levels, associated autoimmune diseases, treatment response, and recurrence rates.
Main Results:
- Focal AIP was more common than diffuse AIP.
- Elevated serum IgG4 levels were significantly associated with focal AIP (66%) compared to diffuse AIP (27%).
- Recurrences were more frequent in focal AIP (33%), smokers (41%), and patients with high IgG4 levels (50%). All patients responded initially to steroids, and non-steroid immunosuppressants were effective for relapses.
Conclusions:
- Focal and diffuse AIP exhibit distinct clinical and instrumental characteristics.
- Focal AIP is associated with higher recurrence rates, especially in smokers and those with elevated IgG4.
- Non-steroid immunosuppressants represent a viable therapeutic option for managing relapsing autoimmune pancreatitis.
Related Concept Videos
01:25Chronic 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...
01:24Chronic 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...
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...
01:21Chronic 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...
01:25Acute 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...
01:27Acute 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:
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:
01:30Acute Pancreatitis II: Clinical Manifestations and Management
Acute pancreatitis presents a complex medical emergency characterized by rapid onset inflammation of the pancreas, demanding timely diagnosis and management to prevent complications. The condition primarily manifests through severe upper abdominal pain that often radiates to the back. This pain intensifies following the consumption of fatty foods. Accompanying symptoms such as nausea, vomiting, abdominal distention, fever, dyspnea, cyanosis, and jaundice can vary in intensity but significantly...