肝癌に対する経血管カテーテル治療における抗腫瘍効果の画像評価

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We compared the antitumor effects of transcatheter arterial embolization and infusion chemotherapy by evaluation of CT images before and after treatment. We looked for decreased tumor size and the appearance of low-density areas without contrast enhancement. In 37 of the 38 patients (97%) undergoing embolization, low-density areas appeared, but tumor size did not decrease. In all ten patients who received infusion chemotherapy, tumor size decreased, but low-density areas did not appear. These findings suggest that the anti-tumor effect caused by ischemia differs from that caused by anticancer drugs, and that on CT images, the former effect can be observed as the appearance of low-density areas, but the latter effect can be observed as a decrease in tumor size.
社団法人日本肝臓学会の論文