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Related Concept Videos

Chronic Pancreatitis II: Collaborative Care01:29

Chronic Pancreatitis II: Collaborative Care

The management of chronic pancreatitis is multifaceted, involving a comprehensive approach that includes thorough assessment, diagnostic testing, and a variety of management strategies.
Assessment:
Chronic Pancreatitis I: Introduction01:25

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 I: Introduction01:24

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 II: Pathophysiology01:21

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...

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Related Experiment Video

Updated: May 21, 2026

Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms
10:10

Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms

Published on: April 17, 2026

Pancreatic Cancer Risk in Patients With Low-Risk Cystic Lesions.

Arya Haj Mirzaian1,2, Nooshin Abbasi1,2, Avinash R Kambadakone3

  • 1Center for Evidence-Based Imaging, Department of Radiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts.

JAMA Network Open
|May 20, 2026
PubMed
Summary

Low-risk pancreatic cystic lesions (PCLs) increase pancreatic cancer risk over time. Combining cyst size, duct changes, and age improves cancer risk assessment, suggesting longer surveillance may be needed.

Related Experiment Videos

Last Updated: May 21, 2026

Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms
10:10

Robotic Duodenum-preserving Total Pancreatic Head Resection for Intraductal Papillary Mucinous Neoplasms

Published on: April 17, 2026

Area of Science:

  • Oncology
  • Gastroenterology
  • Radiology

Background:

  • Low-risk pancreatic cystic lesions (PCLs) are common incidental findings with malignant potential.
  • Current surveillance strategies for PCLs are inconsistent due to limited long-term cancer risk data.

Purpose of the Study:

  • To determine the long-term incidence of pancreatic cancer in patients with low-risk PCLs.
  • To identify clinical and imaging factors associated with pancreatic cancer development in this cohort.

Main Methods:

  • A cohort study analyzed data from adults (≥18 years) who underwent CT or MRI between 2009-2021.
  • Patients with low-risk PCLs were longitudinally followed; pancreatic cancer incidence was the primary outcome.
  • Multivariable Cox regression models assessed associations between baseline factors and cancer development.

Main Results:

  • Of 6064 patients with low-risk PCLs, 38 developed pancreatic cancer (1.89 per 1000 person-years).
  • Larger cyst size, main pancreatic duct ectasia, and older age were associated with increased cancer risk.
  • Risk stratification improved when adding age to cyst size-based models.

Conclusions:

  • Low-risk PCLs are associated with sustained long-term pancreatic cancer risk.
  • Combining clinical and imaging factors provides the best risk stratification.
  • Extended follow-up beyond 5 years may be necessary for early pancreatic cancer detection.