Retrograde pancreatography in autopsy specimens

Area of Science:

• Gastroenterology and Hepatology
• Radiology
• Pathology

Background:

• Anatomical variations in the pancreatic duct system can influence disease presentation and diagnosis.
• Understanding the normal and variant anatomy is crucial for interpreting pancreatograms and diagnosing pancreatic conditions.

Purpose of the Study:

• To correlate clinical information with gross, microscopic, and pancreatographic findings of the pancreatic duct system.
• To investigate the prevalence of anatomical variations and their potential association with pancreatic diseases.

Main Methods:

• Autopsy dissection of 62 pancreases.
• Pancreatic duct injection with Hypaque and subsequent roentgenography (pancreatography).
• Correlation of pancreatograms with clinical, gross, and microscopic pathological findings.

Main Results:

• Independent openings of the common bile and main pancreatic ducts into the duodenum occurred in 13% of cases.
• Patent accessory pancreatic duct orifices were observed in 21% of cases.
• Pancreatographic findings in acute pancreatitis, infarction, autolysis, and tumors included parenchymal opacification and duct obstruction; chronic pancreatitis showed strictures, ectasia, and squamous metaplasia.

Conclusions:

• Anatomical variations of the pancreatic duct system are common.
• Findings like ductal ectasia and squamous metaplasia may indicate subclinical pancreatic injury, suggesting 'subclinical pancreatitis' could be widespread.