CTICasesCervical aortic arch
Imaging findings
Chest radiograph shows right upper lobe consolidation. CT shows a very high-riding native cervical aortic arch and an iatrogenic pseudoaneurysm with active contrast extravasation arising from a prior aortic jump graft, creating an aortobronchial fistula to the right upper lobe bronchus in a patient with DiGeorge syndrome.
Key takeaways
Cervical aortic arch is a rare congenital anomaly characterized by a high-riding aortic arch extending into the neck. It is frequently associated with coarctation of the aorta and other genetic syndromes like DiGeorge syndrome. Late complications of surgical repair include graft pseudoaneurysms and aortobronchial fistulas, presenting with life-threatening hemoptysis.
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