What is Walled-Off Necrosis?
Walled-off necrosis (WON) is a complication of pancreatitis characterized by a collection of necrotic pancreatic tissue surrounded by a wall of fibrous tissue. It typically occurs several weeks after the initial pancreatitis episode.
Causes
- Severe acute pancreatitis
- Chronic pancreatitis
- Infection or inflammation of pancreatic tissue
Symptoms
- Abdominal pain
- Fever
- Nausea and vomiting
- Jaundice
- Weight loss
Diagnosis
Diagnosis of WON typically involves:
- Imaging studies (CT scan or MRI)
- Blood tests to evaluate pancreatic function
Treatment
Treatment options for WON may include:
- Monitoring for smaller collections
- Endoscopic drainage
- Surgical intervention for larger or symptomatic collections
- Antibiotics if infection is suspected