Presentation
Cyanosis since birth. Known case of truncus arteriosus.
Patient Data
Age: 5
Gender: Female
From the case:
Truncus arteriosus
Frontal

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.