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The Journal of the Korean Orthopaedic Association ; : 604-612, 2009.
Article in Korean | WPRIM | ID: wpr-647492

ABSTRACT

PURPOSE: This study examined the value and indications of repeated MRI in degenerative lumbar diseases under conservative management by comparing the primary MR and repeated MR images with respect to the symptomatic and radiological changes. MATERIALS AND METHODS: Seventy patients with degenerative lumbar disease under conservative management underwent repeat MRI. Five MRI findings, including disc, foramen, facet joint, nerve root, and ligamentum flavum, were used to examine the difference between the initial and repeat MRI. The severity was graded using a four-point scale for each item. The patients were divided into 3 groups in order to compare the radiological changes and symptomatic changes, as follows; Group I no change from the initial symptoms (38 cases), Group II aggravation of the initial pain (18 cases), and Group III aggravation of the initial neurology or the development of a new neurology (14 cases). RESULTS: The mean scores of each item the disc, foramen, facet joint, nerve root and ligamentum flavum increased from 1.76, 1.31-1.79, 1.71, and 1.47, respectively, to 1.90, 1.47, 1.80, 1.79, and 1.53, respectively. Group III showed the greatest proportion of cases with an increasing grading score (78%, 11 cases) only the disc was significant. CONCLUSION: Repeat MRI in degenerative lumbar disease under conservative management was found to be valuable only in cases with aggravated neurological symptoms, and was not relevant in cases with persistent symptoms or aggravated pain alone.


Subject(s)
Humans , Ligamentum Flavum , Neurology , Zygapophyseal Joint
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