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Surgical radiologic anatomy of aberrant right subclavian artery (arteria lusoria). A study on 160 CT scans.

The Arteria lusoria (AL) is the most common anatomical variation of the supra‐aortic trunks. The symptomatic forms are rare and occur by compression of the oesophagus (dysphagia lusoria) or aneurismal transformation of the AL with a risk of rupture or embolism including posterior stroke or ischemia of the hand. The AL may be involved in aortic aneurismal pathology type or dissection and may complicate endovascular management. The aim of this study is to firstly clarify the morphology of the AL and the situation of its ostium in relation to nearby arteries; secondly we assessed the feasibility of interventional treatment in patients requiring intervention.