Abstract
Background: To compare the utility of arterial-phase magnetic resonance (APMR) imaging and spiral computed tomography arteriography (CTA) for detection of hepatic tumors.
Methods: Both APMR imaging and CTA were performed in 24 patients with liver tumors. APMR imaging was initiated at 25–30 s after an intravenous bolus injection of gadolinium-diethylenetriamine pentaacetic acid using the fast multiplanar spoiled GRASS technique. CTA was initiated at 3 s after hepatic arterial injection of 30–64% nonionic contrast agent. APMR and CTA images were separately reviewed retrospectively by two blinded readers. Afterward, matched pair was reviewed to determine which had better lesion conspicuity.
Results: The sensitivities for hepatic tumors were 67.2 and 86.6% in APMR and CTA, respectively (p < 0.01). Seven (12.5%) and 21 (23.9%) false-positive lesions were seen at APMR and CTA, respectively (NS). Lesion conspicuity was comparable between APMR and CTA.
Conclusions: Although APMR imaging is an useful noninvasive method to detect hypervascular liver tumors, APMR imaging is still not an alternative to CTA with respect to tumor detectability.
Similar content being viewed by others
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Kanematsu, M., Hoshi, H., Sone, Y. et al. Detection of hepatic tumors: arterial-phase MR imaging versus spiral CT arteriography. Abdom Imaging 23, 416–421 (1998). https://doi.org/10.1007/s002619900371
Received:
Accepted:
Published:
Issue Date:
DOI: https://doi.org/10.1007/s002619900371