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. 1987 Aug;164(2):576-7.
doi: 10.1148/radiology.164.2.3602406.

Reduction of CT artifacts caused by metallic implants

W A Kalender, R Hebel, J Ebersberger

Reduction of CT artifacts caused by metallic implants

W A Kalender et al. Radiology. 1987 Aug.

Abstract

A technique to reduce metallic implant artifacts on computed tomography scans is presented. The implant boundaries are determined semiautomatically; the missing projection data are replaced by linear interpolation. The complete procedure requires 1-2 minutes per scan. Images with greatly improved quality were obtained in the presence of surgical clips and pelvic implants; success is limited in highly structured regions, such as the facial skull.

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