Abstract
The aortic diverticulum, a large bulge on the lesser curvature of the aortic isthums, is an occasional variation found during thoracic aortography in patients with a left aortic arch and normal origin of the brachiocephalic arteries. Although it is commonly thought to be a remnant of the closed ductus arteriosus, the results of this study support the hypothesis that it is a remnant of the right dorsal aortic root.
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Grollman, J.H. The aortic diverticulum: A remnant of the partially involuted dorsal aortic root. Cardiovasc Intervent Radiol 12, 14–17 (1989). https://doi.org/10.1007/BF02577119
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DOI: https://doi.org/10.1007/BF02577119