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MRI FINDINGS IN CONGENITAL SCOLIOSIS



Abstract

Background: The incidence of intra-spinal abnormality in congenital scoliosis is high. McMaster et al found an 18% incidence of myelographic abnormality in a series of 251 patients. Our objective was to report the MRI findings in a large series of patients with congenital scoliosis.

Method: The notes, X-rays and MRI of 126 congenital scoliosis patients were reviewed to note the vertebral abnormality, curve progression, MRI findings and the presence of non-spinal congenital abnormality. These findings were then correlated to detect any association between them.

Result: Forty-six patients (37%) had intra-spinal abnormalities detected on MRI. Sixty-six patients had failure of formation, 10 had failure of segmentation, 34 had mixed vertebral anomaly and 16 had congenital kyphosis or dislocation. MRI abnormality was significantly higher among patients with mixed anomaly (41%), congenital kyphosis (57%) and segmentation anomaly (40%) than those with failure of formation (29%). Presence of MRI abnormality did not correlate with curve progression or the presence of congenital abnormality affecting other organs.

Conclusion: Intra-spinal abnormality in congenital scoliosis occurred in 37% cases. The incidence of such abnormality is higher in patients with congenital kyphosis, failure of segmentation and mixed vertebral anomalies.

Abstracts prepared by Mr J. Dorgan. Correspondence should be addressed to him at the Royal Liverpool Children’s Hospital, Alder Hey, Eaton Road, Liverpool L12 2AP, UK

President’s Lecture: Natural history and management of Congenital Kyphosis and Kyphoscoliosis M.J. McMaster, Edinburgh, Scotland, UK

Greg Houghton Lecture: Idiopathic Scoliosis – Alternatives to traditional surgery R.R. Betz, Philadelphia, USA

Instructional Lecture:New thoughts on the treatment of paralytic scoliosis R.R. Betz, Philadelphia, USA

Keynote Lectures: Idiopathic Scoliosis – How to manage the patient R.A. Dickson, Leeds, UK

Concave or convex approach for Kyphoscoliosis J. Dubousset, Paris, France Surgery or bracing for moderate AIS. How long term follow-up studies change your perspective A. Nachemson, Göteborg, Sweden