Truncus arteriosus

Case contributed by Vincent Tatco


Cyanosis since birth. Known case of truncus arteriosus.

Patient Data

Age: 5
Gender: Female

There is cardiomegaly.

Lungs are hyperinflated with increased pulmonary vascularity.

Right-sided aortic arch is demonstrated.

Case Discussion

This is a chest radiograph of a patient with truncus arteriosus type I.  The diagnosis was confirmed on echocardiography.  Truncus arteriosus is a common differential diagnosis in chest radiographs of cyanotic patients presenting with cardiomegaly, pulmonary plethora and right-sided aortic arch

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