Hepatic Arterial Collaterals After Transcatheter Oily Chemoembolization of Hepatocellular Carcinoma
CHARINDR EURVILAICHIT, M.D.*,
CHAMAREE CHUAPETCHARASOPON, M.D.**
Affiliation : *Department of Radiology, Faculty of Medicine, Ramathibodi Hospital, Mahidol University, Bangkok 10400,
** Department of Radiology, Smithivej 2 Hospital, Bangkok 10250, Thailand.
AbstractFrom July 1989 to June 1999, 100 patients, 76 male and 24 female, were admitted for
treatment of hepatocellular carcinoma (HCC) with transcatheter oily chemoembolization
(TOCE) using lipiodol 10 ml mixed with an anticancer drug (mitomycin C 20 ml) and gelfoam
particles, described by Nakamura H et al111.
The periodic follow-up angiogram showed hepatic collaterals which developed
according to the mode of embolization. For peripheral hepatic arterial embolization such as
segmental or lobar arterial embolization, the intrahepatic collaterals were commonly
demonstrated. However, for more proximal hepatic arterial embolization of the tumor
feeder arteries such as the proper hepatic artery and the common hepatic artery, the
extrahepatic collaterals were commonly demonstrated with fine, small tortuous vasculatures,
rendering a repeat TOCE more difficult. The hepatic collaterals are presented.
Keywords : Key word Hepatic Arterial Collaterals, Hepatocellular Carcinoma, Transcatheter Oily Chemoembolization
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