AI Article Synopsis
- AREG is a potential biomarker that helps differentiate between non-mucinous, benign mucinous, and malignant mucinous pancreatic cysts.
- A study measured AREG levels in pancreatic cyst fluid from 33 patients, finding significantly higher levels in cancerous samples compared to benign ones.
- AREG levels above 300 pg/ml indicated a 78% diagnostic accuracy for cancer or high-grade dysplasia, suggesting its clinical relevance in pancreatic cyst evaluations.
Article Abstract
Background: Accurate tests to diagnose adenocarcinoma and high-grade dysplasia among mucinous pancreatic cysts are clinically needed. This study evaluated the diagnostic utility of amphiregulin (AREG) as a pancreatic cyst fluid biomarker to differentiate non-mucinous, benign mucinous, and malignant mucinous cysts.
Methods: A single-center retrospective study to evaluate AREG levels in pancreatic cyst fluid by ELISA from 33 patients with a histological gold standard was performed.
Results: Among the cyst fluid samples, the median (IQR) AREG levels for non-mucinous (n = 6), benign mucinous (n = 15), and cancerous cysts (n = 15) were 85 pg/ml (47-168), 63 pg/ml (30-847), and 986 pg/ml (417-3160), respectively. A significant difference between benign mucinous and malignant mucinous cysts was observed (p = 0.025). AREG levels greater than 300 pg/ml possessed a diagnostic accuracy for cancer or high-grade dysplasia of 78% (sensitivity 83%, specificity 73%).
Conclusion: Cyst fluid AREG levels are significantly higher in cancerous and high-grade dysplastic cysts compared to benign mucinous cysts. Thus AREG exhibits potential clinical utility in the evaluation of pancreatic cysts.
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|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3305641 | PMC |
| http://dx.doi.org/10.1186/1471-230X-12-15 | DOI Listing |
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