Presentation
Ongoing dysphagia.
Patient Data
Age: 60 years
Gender: Female
From the case:
Dysphagia lusoria - aberrant right subclavian artery
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Esophagram shows barium contrast being held up by an extrinsic mass on the esophagus near the level of the aortic arch, highly suggestive of an aberrant right subclavian artery.
From the case:
Dysphagia lusoria - aberrant right subclavian artery
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arterial phase"}],"caption":{"us":null,"gb":null},"findings":{"us":"","gb":""},"contributor_login":"andrewho","case_id":28543,"case_key_image_id":6491720,"case_featured_at":"13 Apr 2014"},"current_user":null,"access":{"can_edit":false,"can_download":true,"can_feature":false,"can_pin":true}}
An aberrant right subclavian artery, arising from the distal aortic arch, crosses behind the esophagus and causes significant mass effect on the posterolateral esophageal wall causing the patient's dysphagia.
Note the brachiocephalic artery is not present and the first branch vessel arising from the aortic arch is the right common carotid artery.
Case Discussion
Aberrant subclavian artery is the last branch of 4-branch vessel aortic arch. This is the most common congenital anomaly of the aortic arch.