The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports
It is difficult to treat atlantoaxial instability in patients with a high-riding vertebral artery or anomalies of the craniocervical junction. We report 2 successful cases in which the transspinal canal screwing technique was used because of difficulties performing conventional fixation methods. Cas...
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Korean Spinal Neurosurgery Society
2019-06-01
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doaj-ad4c7f7c78794191b39d4231a9f167732020-11-24T21:41:59ZengKorean Spinal Neurosurgery SocietyNeurospine2586-65832586-65912019-06-0116229329710.14245/ns.1836118.059822The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case ReportsKento Takebayashi0Motoo Kubota1Masahito Yuzurihara2Shigekuni Tachibana3Takakazu Kawamata4 Department of Spinal Surgery, Kameda Medical Center, Kamogawa, Japan Department of Spinal Surgery, Kameda Medical Center, Kamogawa, Japan Department of Spinal Surgery, Kameda Medical Center, Kamogawa, Japan Department of Spinal Surgery, Kameda Medical Center, Kamogawa, Japan Department of Neurosurgery, Tokyo Women’s Medical University, Tokyo, JapanIt is difficult to treat atlantoaxial instability in patients with a high-riding vertebral artery or anomalies of the craniocervical junction. We report 2 successful cases in which the transspinal canal screwing technique was used because of difficulties performing conventional fixation methods. Case 1: A 78-year-old woman suffered from progressive myelopathy due to severe spinal cord compression with a congenital anomaly of the craniovertebral junction. Bilateral transspinal canal screws from the axis body with spondylolisthesis to the dens were inserted by retracting the dural sac medially after foramen magnum decompression and cervical laminoplasty. Case 2: A 20-year-old man with a spinal deformity due to Loeys-Dietz syndrome presented to our hospital for treatment of syringomyelia. He had no obvious neurological deficits, but spinal cord compression due to right atlantoaxial rotating dislocation was observed. A screw was inserted from the vertebral body of the axis to the right lateral mass of the atlas via the spinal canal after laminectomy of the atlas. The transspinal canal screwing technique is useful for treating atlantoaxial instability in cases where other fixation methods are difficult.http://www.e-neurospine.org/upload/pdf/ns-1836118-059.pdfSubluxationCongenital abnomalitiesCervical atlasCervical vertebra atlasSpinal canalBone screws |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
Kento Takebayashi Motoo Kubota Masahito Yuzurihara Shigekuni Tachibana Takakazu Kawamata |
spellingShingle |
Kento Takebayashi Motoo Kubota Masahito Yuzurihara Shigekuni Tachibana Takakazu Kawamata The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports Neurospine Subluxation Congenital abnomalities Cervical atlas Cervical vertebra atlas Spinal canal Bone screws |
author_facet |
Kento Takebayashi Motoo Kubota Masahito Yuzurihara Shigekuni Tachibana Takakazu Kawamata |
author_sort |
Kento Takebayashi |
title |
The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports |
title_short |
The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports |
title_full |
The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports |
title_fullStr |
The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports |
title_full_unstemmed |
The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports |
title_sort |
transspinal canal screwing technique for atlantoaxial anomalies: a technical note and 2 case reports |
publisher |
Korean Spinal Neurosurgery Society |
series |
Neurospine |
issn |
2586-6583 2586-6591 |
publishDate |
2019-06-01 |
description |
It is difficult to treat atlantoaxial instability in patients with a high-riding vertebral artery or anomalies of the craniocervical junction. We report 2 successful cases in which the transspinal canal screwing technique was used because of difficulties performing conventional fixation methods. Case 1: A 78-year-old woman suffered from progressive myelopathy due to severe spinal cord compression with a congenital anomaly of the craniovertebral junction. Bilateral transspinal canal screws from the axis body with spondylolisthesis to the dens were inserted by retracting the dural sac medially after foramen magnum decompression and cervical laminoplasty. Case 2: A 20-year-old man with a spinal deformity due to Loeys-Dietz syndrome presented to our hospital for treatment of syringomyelia. He had no obvious neurological deficits, but spinal cord compression due to right atlantoaxial rotating dislocation was observed. A screw was inserted from the vertebral body of the axis to the right lateral mass of the atlas via the spinal canal after laminectomy of the atlas. The transspinal canal screwing technique is useful for treating atlantoaxial instability in cases where other fixation methods are difficult. |
topic |
Subluxation Congenital abnomalities Cervical atlas Cervical vertebra atlas Spinal canal Bone screws |
url |
http://www.e-neurospine.org/upload/pdf/ns-1836118-059.pdf |
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