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Pancreatic function testing: here to stay for the 21st century
John G Lieb1, Peter V Draganov
1University of Florida, Florida 32610, United States.
World Journal of Gastroenterology
|May 29, 2008
Summary
Diagnosing chronic pancreatitis (CP) requires understanding various pancreatic function tests. No single test is perfect, necessitating a review of their strengths and limitations for accurate CP detection.
Area of Science:
- Gastroenterology
- Diagnostic Imaging
- Biochemistry
Background:
- Chronic pancreatitis (CP) diagnosis relies on detecting pancreatic structural or functional abnormalities.
- Pancreatic function tests are more sensitive than structural tests, particularly for early-stage disease.
- Current diagnostic approaches face limitations, especially for mild or early CP detection.
Observation:
- Pancreatic function tests are categorized as non-invasive and invasive.
- Invasive tests accurately detect early CP but are invasive and limited to specialized centers.
- Non-invasive tests are convenient but less sensitive for early or mild disease.
Findings:
- A comprehensive understanding of the rationale, pathophysiology, strengths, and limitations of diverse pancreatic function tests is crucial.
- This review examines fecal fat analysis, fecal elastase, fecal chymotrypsin, serum trypsin, secretin stimulation tests, cholecystokinin (CCK) stimulation tests, and functional MRI after secretin stimulation.
- Each test presents unique advantages and disadvantages in diagnosing CP.
Implications:
- Accurate diagnosis of CP is essential for timely intervention and management.
- Selecting the appropriate diagnostic test depends on the clinical context and disease stage.
- Further research may lead to improved, more accessible diagnostic tools for chronic pancreatitis.
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