杤尾 人司¹, 冨田 周介², 工藤 正俊², 平佐 昌弘², 樫田 博史², 岡部 純弘², 三村 純², 尾上 一美¹, 簑輪 和士¹, 豼オ逕ー 充生¹, 島田 啓子¹, 森本 義人¹, 伊吹 康良², 小森 英司², 織野 彬雄², 藤堂 彰男²

Hitoshi TOCHIO¹, Syusuke TOMITA², Masatoshi KUDO², Masahiro HIRASA², Hiroshi KASHIDA², Yoshihiro OKABE², Jun MIMURA², Kazumi ONOUE¹, Kazushi MINOWA¹, Michio HAMADA¹, Keiko SHIMADA¹, Yoshito MORIMOTO¹, Yasuyoshi IBUKI², Hideshi KOMORI², Akio ORINO², Akio TODO²

¹神戸市立中央市民病院腹部超音波室, ²神戸市立中央市民病院消化器センター内科

¹Section of Abdominal Ultrasound, Kobe City General Hospital, ²Division of Gastroenterology, Kobe City General Hospital

キーワード : US angiography, Hypovascular hepatic nodules, Doubling time, CT during arterial portography

Thirteen nodules in 13 patients with chronic liver disease were diagnosed as hypovascular nodules through the use of ultrasound (US) angiography under intraarterial carbon dioxide microbubbles.
Histological diagnosis of these 13 cases included adenomatous hyperplasias, borderline lesions, and well-differentiated hepatocellular carcinomas. In this study, the relationship between tumor growth speed and portal per fusion within these nodulaes was evaluated by comparing tumor doubling time (DT) and the findings of CT during arterial portography (CTAP). The mean DT in three nodules with a perfusion defect on CTAP was 170±73 days, whereas that in 10 nodulae without a perfusion defect on CTAP was 583±207 days (P