“…Two patterns of persistent double dorsal aorta are described in the literature. 3 , 8 Trubnikov et al 9 and Khristova et al 10 describe a descending aorta pattern in which there is a double lumen separated by a central dividing septum. The second, more prevalent pattern, has been described by Mosquera and Micarelli, 4 Eibach and Walter, 11 Formanek et al, 12 Brew et al, 13 Karadeli and Ulu, 8 Chang and Rubin, 14 Edwards et al, 15 Jie et al, 16 Mills and Gest 3 and Hurtado et al, 5 and consists of complete separation of the two portions of the dorsal aorta.…”