Missed our latest free live-stream? Catch up now on our Procedure Tips (Chris Nicholas) and Right Lower Quadrant Pain (Matt Morgan)

Superior vena caval duplication

Superior vena caval (SVC) duplication is the most common form of a left-sided SVC, where the normal right-sided SVC remains. The right SVC, however, can be smaller in approximately two-thirds of such cases 3.

Pathology

Results from failure of the embryonic left anterior cardiac vein to regress. Drainage is variable and can be to:

Associations
Anatomy: Thoracic

Thorax

Article information

rID: 2009
System: Vascular, Chest
Section: Anatomy
Synonyms or Alternate Spellings:
  • Double SVC
  • Duplicated SVC
  • Duplication of SVC
  • Duplicated superior vena cava
  • SVC duplication
  • Duplication of superior vena cava

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Figure 1
    Drag here to reorder.
  • Case 1
    Drag here to reorder.
  • Case 2: with left IVC
    Drag here to reorder.
  • Case 3: with right aortic arch
    Drag here to reorder.
  • Case 4
    Drag here to reorder.
  • Case 5
    Drag here to reorder.
  • Case 6
    Drag here to reorder.
  • Case 7: left SVC draining to left atrium
    Drag here to reorder.
  • Updating… Please wait.

     Unable to process the form. Check for errors and try again.

     Thank you for updating your details.