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AJNR - American Journal of Neuroradiology

Published ahead of print on November 16, 2007
doi: 10.3174/ajnr.A0878

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Klippel-Feil Syndrome and Sprengel Deformity Combined with an Intraspinal Course of the Left Subclavian Artery and a Bovine Aortic Arch Variant

F. Floemer^a, O. Magerkurth^a, C. Jauckus^a, J. Lütschg^b and J.F. Schneider^a

^a Departments of Pediatric Radiology, University Children’s Hospital Basel (UKBB), Basel, Switzerland
^b Neuropediatrics, University Children’s Hospital Basel (UKBB), Basel, Switzerland

View larger version (87K): [in this window] [in a new window]   Fig 1. A and B, Volume rendering reconstructions with anteroposterior view (A) and left-lateral view (B) showing a bovine aortic arch variant (white arrow) and a U-shaped dorsal running loop of the left subclavian artery. The posterior course of the proximal part of the left subclavian artery entering the intraspinal space through the left-sided fused vertebrae at the T1 level with the same-level dorsal exiting is clearly seen.

View larger version (107K): [in this window] [in a new window]   Fig 2. A and B, Axial multisection CT reference images. Arrowheads point to the vertebral artery of the right and left side. The transparent arrow shows the right subclavian artery. A, Anterior and posterior part of the left subclavian artery (white arrows). B, Origin of the left vertebral artery (white arrowheads) contralateral to the normal course of the right vertebral artery.