Imaging Characteristics of Hepatocellular Carcinoma Using the Hepatobiliary Contrast Agent Gd-EOB-DTPA
2006
Purpose: To evaluate the ability of contrast-enhanced magnetic resonance imaging (MRI) with Gd-EOB-DTPA in comparison with non-enhanced imaging and spiral computed tomography (CT) to provide additional information for classification and characterization of hepatocellular carcinoma.Material and Methods: Forty patients with histopathology-proven hepatocellular carcinoma were selected for this subgroup analysis from a phase-III multicenter study in 235 patients with known or suspected liver lesions. The primary analysis was comparison of the proportion of hepatocellular carcinoma correctly classified and characterized by combined pre-/post-contrast MRI compared with pre-contrast MRI alone or with spiral CT. All images were evaluated on site, and in a blinded reading by three independent readers off site.Results: In the on-site evaluation, the lesions were correctly classified as a malignant tumor with combined MRI in 90.3%, with pre-contrast imaging alone in 82.9% and with spiral CT in 87.8% (n.s.). The prop...
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