• W Davis, A K Allouni, K Mankad, D Prezzi, T Elias, J Rankine, and I Davagnanam.
• Ipswich Hospitals NHS Trust, Ipswich, UK.
• Clin Radiol. 2013 Jan 1;68(1):64-74.

AbstractThe general radiologist frequently encounters studies demonstrating spinal instrumentation, either as part of the patient's postoperative evaluation or as incidental to a study performed for another purpose. There are various surgical approaches and devices used in spinal surgery with an increased understanding of spinal and spinal implant biomechanics drives development of modern fixation devices. It is, therefore, important that the radiologist can recognize commonly used devices and identify their potential complications demonstrated on imaging. The aim of part 1 of this review is to familiarize the reader with terms used to describe surgical approaches to the spine, review the function and normal appearances of commonly used instrumentations, and understand the importance of the different fixation techniques. The second part of this review will concentrate on the roles that the different imaging techniques play in assessing the instrumented spine and the recognition of complications that can potentially occur.Copyright © 2012 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.

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