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Overview of MnDPDP as a pancreas-specific contrast agent for MR imaging
1Department of Diagnostic Radiology, University Hospital, Uppsala, Sweden. hakan.ahlstrom@radiol.uu.se
Purpose:
To describe and discuss previous and ongoing clinical and experimental studies with MnDPDP (Teslascan) as a pancreas-specific contrast agent for MR imaging.
Material And Methods:
All results, both experimental and clinical, applying MnDPDP as a pancreas-specific contrast agent for MR imaging, were collected.
Results:
An increase of up to 100% in signal intensity was seen in normal pancreatic parenchyma, reaching its maximum approximately 25 min after the beginning of MnDPDP administration. Maximal enhancement was sustained for 4 h. Enhancement was only seen in the T1-weighted images. No enhancement was observed in tumours and an increase in contrast-to-noise of about 200% was obtained. The uptake of MnDPDP in pancreatitis compared with normal pancreatic parenchyma was decreased in an animal model.
Conclusion:
Improved depiction and demarcation of pancreatic tumours with MR imaging were obtained after administration of MnDPDP. MR imaging with and without MnDPDP might be valuable for staging of pancreatitis.