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KMID : 1189320160100040771
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Asian Spine Journal
2016 Volume.10 No. 4 p.771 ~ p.775
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Utility of Discography as a Preoperative Diagnostic Tool for Intradural Lumbar Disc Herniation
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Matsumoto Tomiya
Toyoda Hiromitsu
Terai Hidetomi
Dohzono Sho
Hori Yusuke
Nakamura Hiroaki
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Abstract
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Preoperative definitive diagnosis of intradural lumbar disc herniation (ILDH) is difficult despite the availability of various neuroradiological investigative tools. We present a case of ILDH diagnosed preoperatively by discography and computed tomography-discography (disco-CT).The patient was a 63-year-old man with acute excruciating right leg pain. Discography and disco-CT demonstrated leakage of the contrast medium into the intradural space. Based on these findings, a right L5 nerve root disturbance caused by ILDH was diagnosed. A right L5 hemi-laminectomy and a dorsal durotomy were performed. The herniated disc was carefully dissected and then completely removed. Three months after surgery, the patient had fully recovered. This report highlights the importance of making a definitive diagnosis of ILDH preoperatively for better surgical planning and improved clinical outcomes. Furthermore, discography and disco-CT are both useful preoperative diagnostic tools for the diagnosis of ILDH.
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KEYWORD
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Intradural lumbar disc herniation, Preoperative diagnosis, Discography
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