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Clinical features

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Possible clinical features include:

  • dilated subcutaneous veins over the upper limbs, neck and chest
  • if there is collateral inferior vena cava circulation then there may be dilatation of the subcutaneous veins of the abdomen
  • tissue oedema
  • SVCO may be of rapid, often thrombotic, onset or gradual onset
  • there may be development of stridor due to progressive obstruction to the main bronchi or trachea

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