THYROCERVICAL STEAL

Abstract
A case of bilateral "thyrocervical steal" is presented. The subclavian arteries were [See figures in the PDF file] totally obliterated beyond the vertebral artery orifices. Arterial blood to the upper extremities flowed via the vertebral arteries, spinal collaterals, homolatenal thyrocervical branches in the neck, the thyrocervical trunks per se and finally via lateral branches from the trunks to the arms. On the right side, the costocervical trunk participated as well. The carotid angiograms were normal.

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