Right sided aortic arch

Case contributed by Som S Biswas
Diagnosis almost certain

Presentation

Fever.

Patient Data

Age: 9 months
Gender: Female

Chest

x-ray

Incidental note is made of right sided aortic arch.

Case Discussion

A right-sided aortic arch is a congenital anomaly in which the aortic arch, arises from the right side of the heart instead of the left side. This is a relatively rare condition, occurring in around 1-2% of the population.

On a chest radiograph, a right-sided aortic arch can be seen as a "double aortic knob" or "C-shaped" appearance of the aorta.

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