Lusory artery

Lusory artery is aberrant branch of a. subclavie. It withdraws as the last branch of the aortic arch behind the left subclavian artery, or from the descending part of the aorta. It passes through the rear mediastinum usually behind osesophagus and because of opression of oesophagus causes dysfagic problems (ie. dysphagia lusoria), it cen exceptionally pass between oesophagus and trachea and opress respiratory tract and cause prolonged cough of infants. It can also opress n. laryngeus recurrens sinister and lead to Ortner's syndroms. Aberrant branch can also be associated with the so-called Kommerell's diverticulum.

Related articles

 * A. subclavia
 * Aorta thoracica
 * Dysfagie