SPECT-CT Assessment of Pseudarthrosis after Spinal Fusion : Diagnostic Pitfall due to a Broken Screw

SPECT-CT Assessment of Pseudarthrosis after Spinal Fusion : Diagnostic Pitfall due to a Broken Screw

A 43-year-old drug addicted female was referred for a L5-S1 posterolateral in situ fixation with autologous graft because of an L5/S1 severe discopathy with listhesis. After six months, low back pain recurred. A Tc-99m HDP SPECT-CT diagnosed a pseudarthrosis with intense uptake of the L5-S1 endplate...

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Bibliographic Details
Published in:Case reports in orthopedics Vol. 2013; no. 2013; pp. 1 - 3
Main Authors: Rager, Olivier, Amzalag, Gaël, Varoquaux, Arthur, Schaller, Karl, Ratib, Osman, Tessitore, Enrico
Format: Journal Article
Language:English
Published: Cairo, Egypt Hindawi Puplishing Corporation 01-01-2013
Hindawi Publishing Corporation
Hindawi Limited
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Case Report
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Summary:A 43-year-old drug addicted female was referred for a L5-S1 posterolateral in situ fixation with autologous graft because of an L5/S1 severe discopathy with listhesis. After six months, low back pain recurred. A Tc-99m HDP SPECT-CT diagnosed a pseudarthrosis with intense uptake of the L5-S1 endplates and a fracture of the right S1 screw just outside the metal-bone interface without any uptake or bone resorption around the screw. The absence of uptake around a broken screw is a pitfall that the physician should be aware of.
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Academic Editors: H. N. Modi and A. F. Ozer
ISSN:2090-6749
2090-6757
DOI:10.1155/2013/502517