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Inclusion:
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• Age 18–70 years
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• Persistent radiculair pain lasting more than 6–8 weeks
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• Operation indication
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• Disc herniation confirmed MRI
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| ○ unilateral disc herniation larger than 1/3 of the spinal canal diameter or |
| ○ unilateral disc herniation less than 1/3 of the spinal canal diameter with concomittant lateral recess stenosis or sequestration |
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• Informed consent
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Exclusion:
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• Previous lumbar surgery on the same disc level
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• Cauda equina syndrome
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• Spondylolytic or degenerative spondylolisthesis
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• Central spinal canal stenosis
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• Pregnancy
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• Severe somatic or psychiatric illness
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• Planned (e)migration to another country in the year after inclusion
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• Inadequate knowledge of Dutch language
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