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- Bruno Vande Berg, Jacques Malghem, Baudouin Maldague, and Frederic Lecouvet.
- Department of Radiology, Cliniques Universitaires Saint-Luc, 10 Avenue Hippocrate, 1200 Brussels, Belgium. vandeberg@rdgn.ucl.ac.be <vandeberg@rdgn.ucl.ac.be>
- Eur J Radiol. 2006 Dec 1; 60 (3): 470-9.
AbstractMulti-detector CT imaging (MDCT) becomes routine imaging modality in the assessment of the postoperative orthopedic patients with metallic instrumentation that degrades image quality at MR imaging. This article reviews the physical basis and CT appearance of such metal-related artifacts. It also addresses the clinical value of MDCT in postoperative orthopedic patients with emphasis on fracture healing, spinal fusion or arthrodesis, and joint replacement. MDCT imaging shows limitations in the assessment of the bone marrow cavity and of the soft tissues for which MR imaging remains the imaging modality of choice despite metal-related anatomic distortions and signal alteration.
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