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Year : 2022  |  Volume : 71  |  Issue : 1  |  Page : 71-73

A rare anomalous origin of the right vertebral artery from the right aortic arch with the left aberrant subclavian artery arising from kommerell's diverticulum

1 Department of Anatomy, Meram Faculty of Medicine, Necmettin Erbakan University, Konya, Turkey
2 Department of Radiology, Faculty of Medicine, Selcuk University, Konya, Turkey

Correspondence Address:
Dr. Gulay Acar
Department of Anatomy, Meram Faculty of Medicine, Necmettin Erbakan University, Yunus Emre Mh. Unzile Sk., 42090 Meram, Konya
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jasi.jasi_17_21

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Right-sided aortic arch (RAA) with left aberrant subclavian artery (LASA) is a rare vascular variant due to the failure in regression process during embryologic development of the aortic arch. The prevalence of it ranges from 0.04% to 0.1% in radiology series. We report the case of a 44-year-old female shown to have the presence of a RAA with LASA arising from the Kommerell's diverticulum, and also in association with an aberrant aortic origin of the right vertebral artery using computed tomography angiography. Considering the diameter of the diverticulum <5 cm and the absence of severe external esophageal or tracheal compression, thoracic surgery was not indicated and it was decided to keep the patient under clinical follow-up at regular intervals. Based upon this present case and literature review, the knowledge of this anomalous anatomy and its embryologic basis appear to be important for diagnostic endovascular interventions and planning thoracic surgery.

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