title: True double aortic lumen in tetralogy of Fallot.
abstract: In an infant with tetralogy of Fallot submitted to angiographic study, a double aortic lumen was found. Although no particular complaints were related to the additional abnormality, we report this case to emphasize the possibility of occurrence of persistent embryonic fifth aortic arch.
authors.affiliation: Pediatric Cardiology, Department of Cardiology, University Hospital, Coimbra, Portugal.
authors.forename: A J
authors.initials: AJ
authors.lastname: Marinho-da-Silva
authors.forename: A M
authors.initials: AM
authors.lastname: Sá-e-Melo
authors.forename: L A
authors.initials: LA
authors.lastname: Providência
mesh_terms: D000792:Angiography; D001013:Aorta, Thoracic / Q000002:abnormalities* / Q000000981:diagnostic imaging* / Q000601:surgery; D001018:Aortic Diseases / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D018572:Disease-Free Survival; D006801:Humans; D007223:Infant; D008297:Male; D013771:Tetralogy of Fallot / Q000150:complications / Q000175:diagnosis* / Q000601:surgery