Abstract
It is imperative to understand the intraand perinodular hemodynamics of hepatocellular carcinoma (HCC) for precise imaging diagnosis and determination of treatment strategies. For this purpose, the combination of computed tomography (CT) and selective arteriography, such as CT during hepatic arteriography (CTHA) and CT during arterial portography (CTAP), is most valuable and precise. We introduced CTAP as a part of an arteriographic examination for preoperative evaluation of HCC in the 1980s [1], and, after the development of helical CT system, simultaneous performance of CTAP and CTHA became possible [2]. In this article, the intraand peritumoral hemodynamics analyzed by CTHA and CTAP are compared with histology.
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