Related Experiment Videos
[Techniques and applications of MR pancreatography in comparison with endoscopic retrograde pancreatography]
N Holzknecht1, J Gauger, T Helmberger
1Institut für Radiologische Diagnostik, Klinikum Grosshadern, Ludwig-Maximilians-Universität München.
Abstract:
Using heavily T2 weighted sequences, magnetic resonance tomography allows the delineation of the pancreatic duct system with high contrast. The development of fast and ultrafast imaging sequences results in a variety of different technical approaches already published. Aim of this article is the review of the different approaches and results published. In addition, we compare MRP in 34 patients with results of ERP using a snap-shot sequence approach. In this study, MRP has a sensitivity of 83.3% a specifity of 90.9% and accuracy of 83.3% regarding detection of duct changes like stenosis, occlusion and duct dilatation. Our results indicate, that MR-pancreaticography can be a valuable adjunct to MR-imaging of the pancreas.
Insights
Magnetic resonance pancreatography (MRP) effectively visualizes the pancreatic duct system. This study shows MRP is a valuable tool for detecting pancreatic duct changes, comparable to endoscopic retrograde pancreatography (ERP).
Area of Science:
- Radiology
- Medical Imaging
- Gastroenterology
Background:
- Magnetic resonance tomography (MRT) with T2-weighted sequences offers high contrast for delineating the pancreatic duct system.
- Advancements in fast and ultrafast imaging sequences have led to diverse technical approaches in MR pancreatography (MRP).
Purpose of the Study:
- To review published technical approaches and results of MR pancreatography.
- To compare the diagnostic performance of MRP with endoscopic retrograde pancreatography (ERP).
Main Methods:
- Review of existing literature on MR pancreatography techniques.
- Comparison of MRP findings in 34 patients against ERP results using a snapshot sequence approach.
Main Results:
- MR pancreatography demonstrated a sensitivity of 83.3%, specificity of 90.9%, and accuracy of 83.3% in detecting duct changes.
- These changes included stenosis, occlusion, and duct dilatation.
Conclusions:
- MR pancreatography is a valuable adjunct to standard MR imaging of the pancreas.
- MRP shows significant diagnostic capability for evaluating pancreatic duct abnormalities.