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European Radiology
Published in: European Radiology 8/2009

01-08-2009 | Hepatobiliary-Pancreas

Diffusion-weighted magnetic resonance imaging of pancreas tumours

Authors: Nikolaos Kartalis, Terri L. Lindholm, Peter Aspelin, Johan Permert, Nils Albiin

Published in: European Radiology | Issue 8/2009

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Abstract

The purpose of this study was to evaluate the accuracy of diffusion-weighted imaging (DWI) in diagnosis of pancreas cancer, to compare DWI with a conventional comprehensive MRI (MRI-c) and to analyse apparent diffusion coefficient (ADC) values of lesions. Thirty-six patients with pancreatic lesions (12 malignant and 24 benign) and 39 patients without lesions were included. MRI-c and DWI (free breathing, b values 0 and 500 s/mm2) were performed prospectively and consecutively in a 1.5-T system. The analysis was retrospectively performed blinded by two radiologists in consensus. The sensitivity, specificity, accuracy, and positive and negative predictive values of DWI and MRI-c were 92, 97, 96, 85, 98% and 100, 97, 97, 86, 100%, respectively. Mean ADC values of malignant lesions were significantly lower than those of benign lesions. DWI has a similar accuracy to MRI-c in diagnosis of pancreas cancer.
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Metadata
Title
Diffusion-weighted magnetic resonance imaging of pancreas tumours
Authors
Nikolaos Kartalis
Terri L. Lindholm
Peter Aspelin
Johan Permert
Nils Albiin
Publication date
01-08-2009
Publisher
Springer-Verlag
Published in
European Radiology / Issue 8/2009
Print ISSN: 0938-7994
Electronic ISSN: 1432-1084
DOI
https://doi.org/10.1007/s00330-009-1384-8

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