Persistent right aortic arch with aberrant left subclavian artery originating from the patent ductus arteriosus in a dog: a case report
2024
Yun, C.O. | Hwang, G.H. | Kim, S.M. | Kim, J.Y. | Lee, S.H. | Lee, D.B. | Cha, J.H. | Lee, H.C. | Hwang, T.S.
A 4-month-old intact male Sapsaree dog was referred due to a history of postprandial regurgitation following consumption of solid food. Thoracic radiography revealed focal leftward displacement of the thoracic trachea at T1 to T4 vertebrae levels. Barium contrast radiography revealed focal dilation of the cranial thoracic esophagus at the heart base level. Persistent right aortic arch (PRAA) with an aberrant left subclavian artery branching from the patent ductus arteriosus was diagnosed by computed tomography angiography (CTA). Although barium contrast radiography can presumptive diagnose PRAA, CTA should be considered for identifying additional vascular anomalies, specific types, and surgical planning.
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