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The British Journal of Radiology, Vol 48, Issue 566 101-107, Copyright © 1975 by British Institute of Radiology
ARTICLES |
RA Baker, AE Rosenbaum and GH Robertson
Segmental intervertebral arterial connections originate from normal vascular channels which are commonly seen on selective vertebral arteriography. In subclavian steal, these vessels can hypertrophy and form important collateral pathways. The significance of their haemodynamic contributions may be assessed by their multiplicity and calibre. Lateral or oblique projections in addition to frontal visualization may be required to differentiate the various transcervical channels which lie either anterior or posterior to the vertebral bodies.
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