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Pediatric Radiology

Open Access 30-04-2024 | Magnetic Resonance Imaging | Original Article

As fast as an X-ray: real-time magnetic resonance imaging for diagnosis of idiopathic scoliosis in children and adolescents

Authors: Christian Roth, Christoph-Eckhard Heyde, Eckehard Schumann, Dirk Voit, Jens Frahm, Franz W. Hirsch, Rebecca Anders, Daniel Gräfe

Published in: Pediatric Radiology

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Abstract

Background

Idiopathic scoliosis is common in adolescence. Due to the rapid growth of the spine, it must be monitored closely with radiographs to ensure timely intervention when therapy is needed. As these radiographs continue into young adulthood, patients are repeatedly exposed to ionizing radiation.

Objective

This study aimed to investigate whether real-time magnetic resonance imaging (MRI) is equivalent to conventional radiography in juvenile idiopathic scoliosis for determining curvature, rotation and the Risser stage. Additionally, the time requirement should be quantified.

Materials and methods

Children with idiopathic scoliosis who had postero-anterior whole-spine radiography for clinical indications were included in this prospective study. A real-time spine MRI was performed at 3 tesla in the supine position, capturing images in both the coronal and sagittal planes. The scoliosis was assessed using Cobb angle, rotation was evaluated based on Nash and Moe criteria, and the Risser stage was determined for each modality. The correlations between modalities and a correction factor for the Cobb angle between the standing and supine position were calculated.

Results

A total of 33 children (aged 5–17 years), who met the inclusion criteria, were recruited. The Cobb angle (R2 = 0.972; P < 0.01) was positively correlated with a correction factor of 1.07 between modalities. Additionally, the degree of rotation (R2 = 0.92; P < 0.01) and the Risser stage (R2 = 0.93; P < 0.01) demonstrated a strong correlation.

Conclusion

Real-time MRI is equivalent to conventional radiography in determining baseline parameters. Furthermore, it is radiation-free and less time-consuming.

Graphical abstract

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Metadata
Title
As fast as an X-ray: real-time magnetic resonance imaging for diagnosis of idiopathic scoliosis in children and adolescents
Authors
Christian Roth
Christoph-Eckhard Heyde
Eckehard Schumann
Dirk Voit
Jens Frahm
Franz W. Hirsch
Rebecca Anders
Daniel Gräfe
Publication date
30-04-2024
Publisher
Springer Berlin Heidelberg
Published in
Pediatric Radiology
Print ISSN: 0301-0449
Electronic ISSN: 1432-1998
DOI
https://doi.org/10.1007/s00247-024-05919-3