American Journal of Neuroradiology, Vol 14, Issue 3 747-749, Copyright © 1993 by American Society of Neuroradiology
ARTICLES |
Metallic postoperative artifacts on cervical MR
MT Yoshino, OM Temeltas, LP Carter, T Lowe and A Darkazanli
Section of Neuroradiology, University of Arizona, Tucson 85724.
Spectroscopy of cervical diskectomy specimens obtained from sheep demonstrated that metallic susceptibility artifacts are produced by microscopic amounts of nickel, copper, and zinc. Sufficient quantities of metals to produce artifacts are deposited only by contact of metal drill bits and suction tips. If these instruments do not come in contact during surgery, susceptibility artifacts are not observed.
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