In this case, the first reported instance of aortic dissection involving a right-sided arch, an anomalous fourth arch vessel, the left subclavian artery, arose from a congenital aortic diverticulum. This report emphasizes the need for precise anatomic definition with aortography to permit appropriate therapy when congenital anomalies of the aortic arch are complicated by dissecting hematoma.

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http://dx.doi.org/10.1016/0002-9149(79)90331-xDOI Listing

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