肝細胞癌切除例における術前ａｎｇｉｏ‐ＣＴ単独陽性結節のその後

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  • Follow-up for hepatic nodules detected only by angio-CT in noncancerous regions of the liver with hepatocellular carcinoma.

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As of March 1997, we routinely performed angio-CT or computed tomography during arterial portography (CTAP) and computed tomography during arteriography (CTA) before hepatic resection in 103 cases of hepatocellular carcinoma. Nine cases (9%) had ten nodules those were detected only by angio -CT before surgery, but were not found by palpation and intraoperative ultrasonography during surgery. The mean diameter of these nodules was 1cm in angio-CT. These were not detected by other imaging tests, such as conventional CT, ultrasonography, or angiography. None of these nodules were the main tumor. All were hyperattenuated nodules according to CTA findings.<BR>After hepatic resection for the main tumors, these patients were followed in our outpatient clinic. Five patients suffered recurrence as of March 1998. Two of these nodules (20%) were preexisting nodules that were not detected during surgery. Moreover, these were located near the center of the liver in these patients.<BR>We found that at least 20% of the nodules detected only by angio-CT are true-positives, especially when they are located at the center of the liver.

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  • 肝臓

    肝臓 39 (9), 628-632, 1998

    一般社団法人　日本肝臓学会

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