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Acute Pancreatitis I: Introduction

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:

Acute Pancreatitis II: Clinical Manifestations and Management

Acute 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...

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...

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...

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...

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...

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Updated: Jul 13, 2026

Retroperitoneal Laparoscopic Debridement and Drainage for Pancreatic Abscess

Retroperitoneal Laparoscopic Debridement and Drainage for Pancreatic Abscess

Published on: March 15, 2024

Massive right-sided hemorrhagic pleural effusion due to pancreatitis; a case report.

Mohammad Reza Namazi¹, Ashkan Mowla

¹Shiraz University of Medical Sciences, Shiraz, Iran. namazi_mr@yahoo.com

BMC Pulmonary Medicine

|March 17, 2004

Summary

Pancreatitis can manifest solely as hemorrhagic pleural effusion, particularly on the right side. This rare presentation requires medical consideration for accurate diagnosis and treatment.

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Laparoscopic Anatomical Right Hemihepatectomy via the In Situ Anterior Approach

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Published on: August 8, 2025

Area of Science:

Medicine
Gastroenterology
Pulmonology

Background:

Hemorrhagic pleural effusion is an uncommon initial symptom of pancreatitis.
Right-sided pleural effusions are rarely the sole indicator of pancreatic disease.

Purpose of the Study:

To report a rare case of pancreatitis presenting exclusively as massive right-sided hemorrhagic pleural effusion.
To highlight the importance of considering pancreatitis in the differential diagnosis of unexplained hemorrhagic pleural effusions.

Main Methods:

Case report of a 16-year-old male with right-sided chest pain and dyspnea.
Diagnostic imaging included chest X-ray and abdominal CT scan.
Analysis of pleural fluid and serum amylase levels.
Management involved chest tube insertion and external pseudocyst drainage.

Main Results:

Massive right-sided hemorrhagic pleural effusion was the only presenting sign of pancreatitis.
Markedly elevated pleural fluid amylase levels confirmed pancreatic origin.
Abdominal CT revealed a pancreatic pseudocyst in the head of the pancreas.
The patient's condition improved with drainage and chest tube management.

Conclusions:

Pancreatitis must be considered in cases of hemorrhagic pleural effusion, especially when unilateral and right-sided.
This case underscores the diverse and sometimes atypical presentations of pancreatitis.