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KMID : 0948920190180020142
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Clinical Pain
2019 Volume.18 No. 2 p.142 ~ p.146
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Provocative Discography Following Focal Selective Coagulation in a Patient with Chronic Lumbar Discogenic Pain
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Kim Dahn
Kim Nack-Hwan
Lee Sang-Heon
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Abstract
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This is a case report of the provocative discographic findings before and after focal selective coagulation of the major annular fissure using intradiscal navigable catheter. A 46-year-old woman had a 30-month history of axial low back pain and magnetic resonance imaging findings suspicious for painful L4/5 disc. The provocative discography confirmed painful disc before coagulation. The final electrode tip position in the coagulation procedure was at the largest fissure within the outer annular margin identified through the discography. Six months after the successful coagulation therapy, inadvertently performed dis- cography resulted in decreased pressure rise over time. Neither evoked pain nor change in the integrity of outer annulus as compared with the previous results was reported. Such an interventional method has not been reported previously, and the analytic results suggest that it may be possible to relocate the pressure of the entire nucleus pulposus only by focal selective coagulation of the fissure.
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KEYWORD
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Discogenic low back pain, Percutaneous disc decompression, Coagulation therapy
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