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KMID : 0388719940010020240
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Journal of Korean Society of Spine Surgery
1994 Volume.1 No. 2 p.240 ~ p.249
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The Unilateral Posterolateral Spinal Fusion of the Lumbosacral Segment
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김홍태
천동욱/김형표/한혁수/정홍배
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Abstract
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An instability is expected when the posterolateral bony components of a spine are excised for the treatment of a benign tumor in the region of for the decompression of a far lateral nerve root compression. In such a case there are no enough bony
beds on
the side of excision upon which to fuse. And also the spinal nerve is usually exposed on that side where the bone grafting is hesitated over the unprotected nerve. So the unilateral posterolateral spinal fusion can be applied in the other side.
Four patients of unilateral posterolateral spinal fusions of the lumbosacral segment were reviewed. They were two men and two women having ages from 51 to 58 years. The follow-up time ranged from 8 months to 4 years and 3 months with an average
of
28
months. All patients had far lateral herniation of the (?)mbosacral disc and the facet joint of that side were completely excised for discectomy. The fusions were performed on the other side using iliac bone graft without internal fixation.
Radiological evaluations revealed good fusion mass and no abnormal motion in the fused segment on the flexion/extension lateral views in all patients. Symptoms were improved and there was no considerable low back pain in all patients except on
who
complained multiple pain of psychogenic origin.
In conclusion. The unilateral posterolateral spinal fusion can stabilize and unstable lumbosacral segment.
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KEYWORD
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