Semin Musculoskelet Radiol 2006; 10(1): 098-106
DOI: 10.1055/s-2006-934220
Copyright © 2006 by Thieme Medical Publishers, Inc., 333 Seventh Avenue, New York, NY 10001, USA.

Magnetic Resonance Imaging of Joint Replacements

Ali M. Naraghi1 , Lawrence M. White2
  • 1Royal London Hospital, Department of Diagnostic Imaging, London, United Kingdom
  • 2Mount Sinai Hospital and University Health Network, Department of Diagnostic Imaging, Toronto, Ontario, Canada
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Publication History

Publication Date:
03 March 2006 (online)

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ABSTRACT

An increasing number of joint replacements are being performed annually. Complications of joint arthroplasty are diverse and may involve the hardware as well as osseous and soft tissue components. Although modalities such as conventional radiography and scintigraphy remain the mainstay of radiological investigation, in some cases these traditional methods of imaging may be negative or underestimate the extent of disease. Magnetic resonance imaging (MRI) has been considered of limited benefit following arthroplasty because of severe image degradation caused by metallic components. However, with modification of pulse sequences, artifact reduction and improved visualization of periprosthetic tissues are achievable, enabling a comprehensive assessment of articular and nonarticular pathologies. The common artifacts in the presence of orthopedic hardware, optimization of pulse sequences to minimize metal-related artifacts, and the clinical uses of MRI following joint replacement, particularly with regard to total hip arthroplasty, total knee arthroplasty, and shoulder arthroplasty, are reviewed.