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American Journal of Roentgenology, Vol 127, Issue 4, 637-639
Copyright © 1976 by American Roentgen Ray Society

Articles

Angiographic documentation of systemic-portal venous shunting as a cause of a liver scan ""hot spot'' in superior vena caval obstruction

KR Lee, DF Preston, NL Martin, and RG Robinson

Four patients with superior vena caval obstruction were evaluated with contrast venography and radiocolloid liver scans to investigate systemic-portal venous shunting as a cause of a liver scan "hot spot". In two of the cases a hot spot due to systemic-portal venous shunting was documented by angiography. The venous anatomy and pathophysiology related to hot spot formation on the liver scan is discussed. To develop a liver scan hot spot it appears necessary to have considerable systemic-portal venous flow through anterior parietal and periumbilical venous channels.
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 ANGIOLOGYHome page
T. Alaguraj, E. J. Arida, and T. T. Mooken
Collateral Pathways Occurring in Simultaneous Obstruction of the Superior and Inferior Venae Cavae
Angiology, July 1, 1983; 34(7): 461 - 469.
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Copyright © 1976 by the American Roentgen Ray Society.