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  • Title: Intra-arterial infusion of Tc-99m MAA: a case of highly selective targeting of liver metastases and shunting.
    Author: Roos JC, Teule GJ.
    Journal: Clin Nucl Med; 1994 Mar; 19(3):219-20. PubMed ID: 8033472.
    Abstract:
    A patient with liver metastases and on angiotensin-converting enzyme inhibition for hypertension was studied after administration of Tc-99m MAA through the hepatic artery. The scintigrams showed a highly selective perfusion of the metastases (and significant shunting) despite the systemic treatment with a vasoactive drug that, theoretically, diminishes the flow to metastases. A possible effect of concomitant vasoactive medication on targeting and systemic side effects should be considered if regional perfusion studies and intra-arterial treatment are performed.
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