Congenitally corrected transposition of the great arteries

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Congenital heart disease?

Patient Data

Age: 25 years
Gender: Female

The CTA demonstrates the following cardiovascular anomalies:

  • the right atrium communicates with the morphologic left ventricle
  • the morphologic left ventricle gives rise to the pulmonary artery with stenosis at the level or slightly above the pulmonary valve (diameter = 8 mm)
  • the left atrium communicates with the morphologic right ventricle
  • the morphologic right ventricle gives rise to the aorta which is patent with a normal caliber
  • large ventricular septal defect (VSD) measuring 25 mm
  • pulmonary stenosis: both main pulmonary arteries are reduced in caliber measuring 10 mm in diameter on the right and 13 mm on the left with a normal caliber of their lobar and segmental branches
  • major aortopulmonary collateral arteries (MAPCAs)
  • normal appearance of the pulmonary veins

Case Discussion

CTA of a congenitally corrected transposition of the great arteries with associated ventricular septal defect (VSD) and pulmonary stenosis.

Additional contributor Dr ZE. Boudiaf, MD, CHU, Constantine, Algeria

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