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Related Concept Videos

Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

359
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...
359
Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

151
The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
151
Acute Pancreatitis II: Clinical Manifestations and Management01:30

Acute Pancreatitis II: Clinical Manifestations and Management

350
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...
350
Autoimmune Disorders01:29

Autoimmune Disorders

975
Autoimmune diseases are a group of disorders in which the body's immune system mistakenly attacks its own cells, tissues, and organs. This results from an overactive immune response against substances and tissues normally present in the body. Let's delve into the concept and mechanism of autoimmune diseases from an immune system point of view, explore different causes and examples of such diseases, and discuss potential solutions.
Concept and Mechanism of Autoimmune Diseases
The immune...
975
Acute Pancreatitis I: Introduction01:27

Acute Pancreatitis I: Introduction

751
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:
751
Gastritis-II: Pathophysiology01:17

Gastritis-II: Pathophysiology

775
Gastritis is marked by disruption of the mucosal barrier that usually protects the stomach tissue from digestive juices and manifests in acute and chronic forms.
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
775

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Related Experiment Video

Updated: Nov 2, 2025

Observing Islet Function and Islet-Immune Cell Interactions in Live Pancreatic Tissue Slices
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Autoimmune pancreatitis: Current perspectives.

Surbhi Goyal1, Puja Sakhuja1

  • 1Department of Pathology, GIPMER, New Delhi, India.

Indian Journal of Pathology & Microbiology
|June 17, 2021
PubMed
Summary

Autoimmune pancreatitis (AIP) encompasses IgG4-related pancreatitis and idiopathic duct-centric pancreatitis. Differentiating these conditions, especially from pancreatic cancer, is crucial for appropriate corticosteroid treatment and avoiding surgery.

Keywords:
Autoimmune pancreatitisIgG4-related diseaseIgG4-related inflammatory pseudotumorIgG4-related sclerosing cholangitishistologyidiopathic duct-centric pancreatitislymphoplasmacytic pancreatitis

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Last Updated: Nov 2, 2025

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Area of Science:

  • Gastroenterology and Immunology
  • Pathology
  • Oncology

Background:

  • Autoimmune pancreatitis (AIP) understanding has advanced significantly.
  • Type 1 AIP, or IgG4-related pancreatitis (IgG4-RP), is a key manifestation of IgG4-related disease.
  • IgG4-RP often mimics pancreatic cancer due to obstructive jaundice and pancreatic masses.

Purpose of the Study:

  • To review the diagnostic approaches, histological features, and treatment of IgG4-related pancreatitis (IgG4-RP) and idiopathic duct-centric pancreatitis (IDCP).
  • To highlight the importance of distinguishing AIP from pancreatic cancer and cholangiocarcinoma.
  • To discuss challenges in biopsy interpretation for AIP diagnosis.

Main Methods:

  • Review of current literature on autoimmune pancreatitis pathogenesis, diagnosis, and treatment.
  • Analysis of histological characteristics of IgG4-RP and IDCP.
  • Discussion of diagnostic criteria incorporating clinical, serological, imaging, and histological findings.

Main Results:

  • Histology is key for IDCP diagnosis, while IgG4-RP diagnosis integrates histology, high serum IgG4 levels, imaging, and organ involvement.
  • IgG4-related sclerosing cholangitis is a common extrapancreatic manifestation of IgG4-RP.
  • Both AIP types respond well to corticosteroids, making accurate preoperative diagnosis vital.

Conclusions:

  • Accurate diagnosis of AIP subtypes is essential for guiding treatment and prognosis.
  • Histopathological evaluation, alongside clinical and imaging data, is crucial for differentiating AIP from malignancy.
  • Biopsy interpretation requires careful consideration of specific features to avoid misdiagnosis and unnecessary surgery.