Additional benefit of computed diffusion-weighted imaging for detection of hepatic metastases at 1.5T

Published:December 22, 2015DOI:


      The aim is to investigate the added value of computed diffusion-weighted magnetic resonance imaging (DWI) at 1.5 T in detecting hepatic metastases. Fifty-six patients with a total of 100 hepatic metastases were included. Computed DWI was synthesized from lower b values. Diagnostic performance was evaluated by receiver operating characteristic (ROC) curve analysis. The sensitivity was calculated and analyzed. The area under the ROC curve of the computed DWI was larger than that of acquired DWI. Both readers detected significantly more hepatic metastases with combined acquired DWI/computed DWI. Combined use of computed DWI with acquired DWI helped to provide higher sensitivity at 1.5 T.


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