Qualitative assessment of tumor vascularity in hepatocellular carcinoma by contrast-enhanced coded ultrasound: comparison with arterial phase of dynamic CT and conventional color/power Doppler ultrasound.
作者： Masahiko Koda , Yoshiko Matsunaga , Masaru Ueki , Yoshiko Maeda , Ken-ichi Mimura
DOI: 10.1007/S00330-003-2172-5
关键词:
摘要: The purpose of this study was to evaluate the detection rate tumor vessels and vascularity in hepatocellular carcinoma (HCC) by contrast-enhanced coded US using Levovist, compare with conventional color/power Doppler (CDUS) dynamic CT. Ninety nodules (72 hypo/isoechoic nodules, 18 hyperechoic nodules) 61 patients were studied. We observed continuous transmission at early vascular phase (40 s following administration Levovist) intermittent (intervals 2-3 s) late approximately 120 s). 97% 70% high density CT being higher than that CDUS. Tumor hyper-enhancement 78 40%, iso-enhancement 19 hypo-enhancement 3 0%, respectively. rates similar those not affected size HCC tumors Contrast-enhanced Levovist superior CDUS equal assess nodules. Although it for modality is useful evaluating hemodynamics.
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