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KMID : 0388720130200040196
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Journal of Korean Society of Spine Surgery
2013 Volume.20 No. 4 p.196 ~ p.200
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Atraumatic Spinal Interdural Hamatoma
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Im Se-Hyuk
Kim Seong-Wan
Yang Bo-Kyu
Yi Seung-Rim
Ahn Young-Joon
Jung Hong-Jun
Nam Seok-Woo
Kim Hyun-See
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Abstract
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Study Design: A case report.
Objectives: To investigate the outcomes of recapping laminoplasty for the treatment of atraumatic spinal interdural hematoma.
Summary of Literature Review: There are several causes for a spinal hematoma. The occurrence of spinal hematoma is rare; in particular, the ones arising atraumaticaly are considered extremely rare.
Materials and Methods: We studied a 33 year old male patient without any known risk factor. Magnetic resonance image has revealed an intraspinal epidural cyst compressing on the spinal nerve. After performing recapping laminoplasty, followed by partial excision of dura mater and resection of hematoma, we were able to observe another layer of dura mater, confirming the location of hematoma within two epidural layers, i.e., an interdural hematoma.
Results: Performing recapping laminoplasty is a more effective and less invasive procedure for removing cyst than conventionally used laminectomy. Patients were found to have synostosis after three months post-op, and they have exhibited neither lumbosacral pain nor lower limb motor weakness after six months follow-up. There were no recurrences or complications reported on our study.
Conclusion: There are a few reported cases of atraumatic spinal interdural hematoma. Our study shows that performing pars osteotomy with recapping laminoplasty yield good clinical outcome for the treatment of atraumatic spinal interdural hematoma.
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KEYWORD
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Atraumatic spinal interdural hematoma, Recapping laminoplasty
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