- MedPix™ TF Case: 10931 - Quiz Mode :: ::
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16 month old boy with wheezing.

• The patient has a double aortic arch with mild right-arch dominance in size (right arch 8 mm left arch 6 mm diameter).
• There is resulting mass-effect on the trachea where the trachea narrows to 3.5 mm.
• There is posterior mass-effect on the esophagus with resulting dilation of the more proximal esophagus. The distal esophagus is also dilated and courses slightly to the left of the aorta.

• The right carotid artery and right subclavian artery originate separately from the right arch while the left carotid artery and left subclavian artery have separate origins from the left arch.

• The descending aorta travels just to the right of midline and then midline more inferiorly.

Double aortic arch

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