Double aortic arch

Case contributed by Ammar Haouimi
Diagnosis almost certain

Presentation

Incidental finding in a patient with COVID-19 pneumonia (PCR positive).

Patient Data

Age: 40 years
Gender: Female
ct
This study is a stack
Axial
non-contrast
This study is a stack
Coronal
non-contrast
This study is a stack
Sagittal
non-contrast
This study is a stack
Axial lung
window
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Info

There is Double aortic arch with codominant subtype. The right subclavian artery originates from the right aortic arch and the left subclavian artery from the left aortic arch. It forms a vascular ring surrounding the trachea and oesophagus, compressing the oesophageal lumen. The double aortic arch unites posteriorly and forms the descending aorta

Lung window shows areas of ground-glass opacities of peripheral distribution in the left upper and lower lobes.

Case Discussion

CT features of a double aortic arch (incidental finding) in a patient with COVID-19 pneumonia.

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