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Postoperative magnetic resonance imaging artifacts. Report of three cases
R P Firsching1, W Heindel, R I Ernestus
1Department of Neurosurgery, University of Köln, West Germany.
Journal of Neurosurgery
|November 1, 1987
Abstract:
Artifacts are occasionally encountered on magnetic resonance imaging after operation. These may be due to minute metallic particles from neurosurgical instruments. Particles not detectable on plain x-ray films or computerized tomography scans may cause local change of magnetic resonance activity, resulting in a deceptive magnetic resonance appearance. Three illustrative case reports are presented.