Aortic coarcation (adult type) - pediatric patient
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A short segment of marked narrowing in the descending thoracic aorta just distal to the origin of the left subclavian artery.
This short segment of narrowing measures 4 mm in transverse diameter and 3 mm in length.
The diameter of the descending thoracic aorta distal to stenosis measures 14 mm in the dimension while the diameter of the aorta proximal to narrowing measures 9 mm.
Normal left-sided aortic arch with normal branching pattern.
The main pulmonary artery measures approximately 2 cm in the maximum transverse.
Hypertrophy of the left ventricular wall and interventricular septum seen.
Multiple collateral vessels in the posterior paravertebral region bilaterally.
Both internal mammary arteries also appear prominent.
No CT detectable evidence of ASD or VSD.
All four pulmonary veins can be seen draining into the left atrium.
Left persistent superior vena cava draining to the coronary sinus.
The superior vena cava and inferior vena cava can be seen draining into the right atrium.
Aorta can be seen arising from the left ventricle.
Pulmonary artery can be seen arising from the right ventricle.
No definite connecting channel between the aorta and main pulmonary trunk to suggest patent ductus arteriosus.
A typical case of aortic coarctation is presented.