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Superior vena cava syndrome

Definition: A condition that occurs when the obstruction of the thin-walled SUPERIOR VENA CAVA interrupts blood flow from the head, upper extremities, and thorax to the RIGHT ATRIUM. Obstruction can be caused by NEOPLASMS; THROMBOSIS; ANEURYSM; or external compression. The syndrome is characterized by swelling and/or CYANOSIS of the face, neck, and upper arms.

Synonyms (terms occurring on more labels are shown first): superior vena cava syndrome

More information: PubMed search and possibly Wikipedia

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