title: Left vertebral artery origin from the thyrocervical trunk: a unique vascular variant.
abstract: The vertebral artery normally arises from the subclavian artery, and variations in its origin have been described. We describe a unique case of the left vertebral artery arising from the thyrocervical trunk.
authors: Department of Radiology, University of Cincinnati, Cincinnati, Ohio 45267, USA.
authors: W M
authors: WM
authors: Strub
authors: J L
authors: JL
authors: Leach
authors: T A
authors: TA
authors: Tomsick