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1 Clinical Affiliate Visitor from the University of Geneva, Geneva, Switzerland.
Selective intrahepatic portal venography was performed in 5 dogs and 1 newborn lamb so that toluidine blue dye could be injected into an hepatic segment to permit visual identification of its boundary.
The venogram and coloration permitted successful segmental resection, because the vascular supply and drainage, as well as surface boundaries, were easily identified. Portal venography and instillation of the dye into a branch of the portal vein did not result in any histologic changes or change in liver function or portal pressure.
The technique of selective intrahepatic portal venography and segmental coloration by way of umbilical vein catheterization can be useful to the surgeon when performing a segmental hepatic resection.
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