Aberrant Left Subclavian Artery in a Beagle Puppy With a Persistent Right Aortic Arch. Use of Cone Beam Computed Tomography to Diagnose a Vascular Ring Anomaly

A 7-week-old, 1.045kg female beagle dog was referred to investigate a supposed vascular ring anomaly. Cone beam computed tomography with contrast enhanced arterial phase accomplished by a rapid manual intravenous injection of iodinated agent during the scanning process revealed a persistent right aortic arch and an aberrant left subclavian artery that compressed dorsally the esophagus in the cranial mediastinum. Third left intercostal thoracotomy was performed to transect the left subclavian artery.
Source: Topics in Companion Animal Medicine - Category: Veterinary Research Authors: Source Type: research