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Journal of Medical Ultrasonics

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1988 - Vol.15

Vol.15 No.05

Original Article(原著)

(0397 - 0403)

肝動脈塞栓療法後早期のechogenic spotについて -CTとの対比-

Echogenic Spots Early after Hepatic Arterial Embolization -Comparison with CT-

田中 佳代, 佐藤 守男, 寺田 正樹, 塩山 靖和, 津田 正洋, 前田 美保, 山田 龍作

Kayo TANAKA, Morio SATOH, Masaki TERADA, Yasukazu SHIOYAMA, Masahiro TSUDA, Miho MAEDA, Ryusaku YAMADA


Department of Radiology, Wakayama Medical College

キーワード : TAE, Liver cancer, Echogenic spot, Air density, Gas formation

Transcatheter arterial embolization (TAE) using geratin sponge was performed in 8 patients with hepatocellular carcinoma, and echogenic spots recorded on ultrasonograph during 24 hrs. after TAE were investigated in comparison with air density on X-ray CT. As a result, two kinds of echogenic spots were observed. One was an echogram of gelatin sponge itself which was observed immediately after TAE in both the tumor and non-tumor areas, and such spots mostly disappeared 24 hrs. later. The other echogenic spots, multiplying in the tumor from 30 min. after TAE, were echoes of gas originating in the tumor.