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Hepatic arterial occlusion following infusion catheter placement: recanalization using the Palmaz stent

Department of Diagnostic Radiology, Aichi Cancer Center, 1-1 Kanokoden, Chikusa-ku, Nagoya 464-8681, Japan

View larger version (122K): [in a new window]   Figure 1. Case 1. (a) Coeliac axis angiogram showing occlusion of the proximal portion of the right hepatic artery (arrow). Collateral blood flow into the peripheral branches of the hepatic artery through the peribiliary arterial plexus (arrowheads) arising from the gastroduodenal artery is seen. (b) coeliac axis angiogram after Palmaz stent placement (arrow) showing recanalization of the right hepatic artery and disappearance of the collateral circulation. (c) Angiogram via the implantable port shows that the blood supply was greatly improved throughout the liver.

View larger version (71K): [in a new window]   Figure 2. Case 2. (a) Angiogram from the indwelling catheter with the side hole positioned in the common hepatic artery showing occlusion of the proper hepatic artery. (b) Angiogram from the indwelling catheter after Palmaz stent (arrow) placement shows recanalization of the proper hepatic artery.