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Lung Scan Detection of SVC Clot with Collateral Flow to Liver

Department of Radiology, Morristown Memorial Hospital, Morristown, New Jersey

Correspondence: For correspondence or reprints contact: Lawrence C. Swayne, MD, Department of Radiology, Morristown Memorial Hospital, 100 Madison Ave., Morristown, NJ 07960.

ABSTRACT

We present a case of visualization of a clot in the superior vena cava with collateral flow to the liver during a lung perfusion scan. A digital venogram performed after injection through the right central venous line confirmed the presence of a clot in the superior vena cava with retrograde flow into the azygous venous system.

Key Words: technetium-99m-macroaggregated albumin • lung scintigraphy • SVC clot