Left-sided superior vena cava, atrial septal defect and right atrial enlargement

Case contributed by Dr Salah Makboul


Asymptomatic patient. Routine chest radiograph shows dextrocardia.

Patient Data

Age: 25
Gender: Female

There is an aberrant right subclavian artery & left superior vena cava (patent left anterior cardinal vein). The left-sided SVC drains into the left atrium with no obliteration of the left brachiocepalic vein (type IIIb left SVC).

There is marked right atrial enlargement, presumably from the atrial septal defect seen on the axial images, although echocardiography data was not available to better evaluate the tricuspid valve.

Hypoplastic right upper lobe branch of the right pulmonary artery (truncus anterior) with hypoplastic right upper lobe.

Minimal dorsal scoliosis is also noted

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Case information

rID: 34807
Case created: 9th Mar 2015
Last edited: 22nd Jul 2017
Systems: Chest, Cardiac
Inclusion in quiz mode: Included

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