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KMID : 0880420140150020185
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Korean Journal of Radiology
2014 Volume.15 No. 2 p.185 ~ p.187
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Superior Vena Cava Syndrome Associated with Right-to-Left Shunt through Systemic-to-Pulmonary Venous Collaterals
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Juan Yu-Hsiang
Saboo Sachin S.
Anand Vishal
Chatzizisis Yiannis S.
Lin Yu-Ching
Steigner Michael L.
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Abstract
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Superior vena cava (SVC) obstruction is associated with the gradual development of venous collaterals. We present a rare form of systemic-to-pulmonary subpleural collateral pathway that developed in the bridging subpleural pulmonary veins in a 54-year-old woman with complete SVC obstruction. This uncommon collateral pathway represents a rare form of acquired right-to-left shunt due to previous pleural adhesions with an increased risk of stroke due to right-to-left venous shunting, which requires lifelong anticoagulation.
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KEYWORD
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Superior vena cava syndrome, Pulmonary venous collaterals, Computed tomography
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