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Pancreatic Cancer Detection in Intraductal Papillary Mucinous Neoplasm (IPMN)-New Insights
Wojciech Pawłowski1, Mateusz Stefański1, Barbara Włodarczyk1
1Department of Digestive Tract Diseases, Medical University of Lodz, 90-153 Lodz, Poland.
Cancers
|October 29, 2025
Summary
Early detection of malignant intraductal papillary mucinous neoplasms (IPMN) is crucial for improving pancreatic cancer outcomes. Advanced imaging, endoscopic techniques, and novel biomarkers show promise for more accurate diagnosis and better patient management.
Area of Science:
- Gastroenterology and Hepatology
- Oncology
- Radiology
Background:
- Early diagnosis of pancreatic cancer, particularly intraductal papillary mucinous neoplasms (IPMN), remains a significant clinical challenge.
- Pancreatic adenocarcinoma (PDAC) has a high mortality rate, underscoring the need for early detection and intervention.
- Most IPMNs are asymptomatic and incidentally discovered, complicating timely diagnosis.
Purpose of the Study:
- To review and evaluate the diagnostic performance of various imaging modalities and biomarkers for detecting malignant IPMNs.
- To assess the accuracy of advanced endoscopic techniques and novel biomarkers in identifying high-risk IPMN lesions.
- To highlight the potential of combining multiple diagnostic approaches for improved early detection of pancreatic cancer.
Main Methods:
- Review of magnetic resonance imaging (MRI), computed tomography (CT), and endoscopic ultrasonography (EUS) performance in detecting mural nodules.
- Evaluation of radiomics, CA 19-9, EUS-guided tissue acquisition (EUS-FNA, EUS-TTNB), and pancreatoscopy (POP) for IPMN diagnosis.
- Analysis of emerging biomarkers including cyst fluid analysis, miRNA panels, lipidomics, and cancer metabolite profiling.
Main Results:
- MRI and radiomics demonstrate high sensitivity and specificity for detecting mural nodules > 5 mm.
- Advanced EUS techniques like CE-EUS and EUS-nCLE show improved diagnostic accuracy compared to conventional EUS.
- EUS-TTNB offers high diagnostic accuracy, while novel biomarkers and POP show promising results for malignancy detection.
Conclusions:
- Combining advanced imaging, EUS-based tissue acquisition, and novel biomarkers offers a promising strategy for earlier and more accurate detection of malignant IPMN.
- Improved diagnostic accuracy for malignant IPMN has the potential to significantly improve outcomes for patients with pancreatic cancer.
- Further research and integration of these multimodal approaches are essential for clinical implementation and improved patient management.
