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  • Title: Case report: diagnosis of cavo-portal shunt in inferior vena cava obstruction: comparison between venography and dynamic scintigraphy.
    Author: Nishida T, Okuda A.
    Journal: Clin Radiol; 1991 Apr; 43(4):274-5. PubMed ID: 2026002.
    Abstract:
    A cavo-portal shunt is a rare complication of inferior vena cava obstruction. A patient is described who had complete obstruction of the inferior vena cava (IVC) due to extension of tumour thrombus from a left renal cell carcinoma. Venocavography clearly showed many collateral veins but not a cavo-portal shunt. Dynamic scintigraphy, however, distinctively showed a draining vein and subsequent homogeneous radionuclide uptake of the liver, which indicates a cavo-portal shunt.
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