Tumor embolism in the right atrium after hepatic artery ligation for hepatoma

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Abstract
A case of tumor embolism in the right atrium after hepatic artery ligation for hepatoma was reported. Patient was a 55 year old male complaining of upper abdominal pain. Preoperative angiogram and scintigram revealed multinodular hepatomas in the right and middle lobes of the liver. During the first week after the ligation of the right and middle hepatic arteries, the patient progressed satisfactorily. But his condition gradually deteriorated thereafter and sudden hypotension occurred on the 22nd postoperative day with a fatal sequela. At autopsy, the orifice of the right atrium was impacted by a tumor embolus. The cause of death seemed to be attributable to this embolus liberated from the hepatic veins. Accordingly, we emphasize the necessity of careful angiographic evaluation not only of the hepatic inflow but of the outflow tract in performing hepatic artery ligation as a treatment of nonresectable hepatoma.