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Chronic pancreatitis: reassessment with current CT
P H Luetmer1, D H Stephens, E M Ward
1Department of Diagnostic Radiology, Mayo Clinic, Rochester, MN 55905.
Radiology
|May 1, 1989
Summary
Current computed tomography (CT) scans reveal common chronic pancreatitis findings like duct dilation and atrophy. These abnormalities are more prevalent than previously reported, with some focal masses requiring further investigation.
Area of Science:
- Radiology
- Gastroenterology
- Medical Imaging
Background:
- Chronic pancreatitis is a complex inflammatory condition.
- Accurate imaging is crucial for diagnosis and management.
- Previous imaging studies may not reflect current diagnostic capabilities.
Purpose of the Study:
- To analyze imaging findings of chronic pancreatitis using current computed tomography (CT) technology.
- To compare the prevalence of specific CT findings with historical data.
- To evaluate the CT characteristics of focal pancreatic enlargements.
Main Methods:
- Retrospective analysis of contrast-enhanced CT scans.
- Inclusion of 56 patients with confirmed chronic pancreatitis.
- Systematic review of imaging features such as duct dilatation, atrophy, calcifications, and fluid collections.
Main Results:
- Main pancreatic duct dilatation (68%) and parenchymal atrophy (54%) were the most common findings.
- Pancreatic calcifications (50%) and fluid collections (30%) were also frequently observed.
- Focal pancreatic enlargement was seen in 30% of cases, with calcifications suggesting benignity, while absence of calcifications raised concern for malignancy.
Conclusions:
- Current CT imaging demonstrates a high prevalence of chronic pancreatitis indicators, notably pancreatic ductal dilatation and parenchymal atrophy.
- The observed prevalence differs from earlier reports, suggesting advancements in imaging or disease presentation.
- Focal pancreatic masses require careful evaluation, as CT features can help differentiate benign from potentially malignant conditions.