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The Morphometric Study of Degenerative Lateral Canal Stenosis at L4-L5 and L5-S1 Using Magnetic Resonance Imaging (MRI): Feasibility Analysis for Posterior Surgical Decompression
Malaysian Orthopaedic Journal ; : 4-10, 2015.
Article in English | WPRIM | ID: wpr-626450
ABSTRACT
This study was to evaluate the morphological features of degenerative spinal stenosis and adequacy of lateral canal stenosis decompression via unilateral and bilateral laminectomy. Measurements of facet joint angulation (FJA), mid facet point (MFP), mid facet point distance (MFPD), the narrowest point of the lateral spinal canal (NPLC) and the narrowest point of the lateral spinal canal distance (NPLCD) were performed. At L4L5 of the right and left side, the mean distance between the lateral border of the dura and MFP was 1.0 ± 0.2 cm and 1.0 ± 0.3cm respectively. The mean NPLC was seen at 0.7 ± 0.3 and 0.7 ± 0.3 cm cm from the dura. At L5S1 of the right and left side, the mean distance between the lateral border of the dura and MFP was 1.2± 0.2 and 1.3 ± 0.2 cm respectively. The mean NPLC was seen at 0.8 ± 0.4 and 0.9 ± 0.5 cm from the dura. Unilateral laminectomy may result in incomplete decompression.
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Full text: Available Index: WPRIM (Western Pacific) Main subject: Spinal Stenosis Language: English Journal: Malaysian Orthopaedic Journal Year: 2015 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Spinal Stenosis Language: English Journal: Malaysian Orthopaedic Journal Year: 2015 Type: Article