- Hypertrophic Posterior Arch of Atlas Causing Cervical Myelopathy
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Kasliwal M, Traynelis
- KMID: 2408135
- Asian Spine J.
- 2012 Dec;6(4):284-286.
Cervical stenosis, especially of the upper cervical spine, is quite rare which can be developmental or acquired. Clefts or aplasias of anterior and posterior arches of atlas, ossification of the... -
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- Stress Fracture of the Anterior Atlas Arch Following C1 Posterior Arch Resection for Cervical Myelopathy with Retro-Odontoid Pseudotumor
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Song KJ, Ham DH, Ko JH, Lee SK
- KMID: 2185104
- J Korean Orthop Assoc.
- 2015 Oct;50(5):407-411.
- doi: 10.4055/jkoa.2015.50.5.407
Atlas fracture accounts for 1% to 3% of all spinal column injuries and 10% of cervical spine fractures, and is most frequently caused by motor vehicle accidents and falls. Only... -
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- Congenital Anomaly of the Atlas Misdiagnosed as Posterior Arch Fracture of the Atlas and Atlantoaxial Subluxation
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Park Y, Kim SM, Lee YT, Yoo JH, Oh HC, Ha JW, Sung SY, Yoon HK, Chang JH, Jung JY
- KMID: 1737637
- Clin Orthop Surg.
- 2014 Mar;6(1):96-100.
- doi: 10.4055/cios.2014.6.1.96
Partial or complete absence of the posterior arch of the atlas is a well-documented anomaly but a relatively rare condition. This condition is usually asymptomatic so most are diagnosed incidentally.... -
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- Unrecognized C1 Lateral Mass Fracture Without Instability; The Origin of Posterior Neck Pain
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Seo SJ, Kim HR, Choi EJ, Nahm FS
- KMID: 2278167
- Korean J Pain.
- 2012 Oct;25(4):258-261.
- doi: 10.3344/kjp.2012.25.4.258
Posterior neck pain is a common complaint of patients in the pain clinic. The atlas (C1) burst fracture is known to be a cause of posterior neck pain and instability.... -
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- Congenital Cleft of Anterior Arch and Partial Aplasia of the Posterior Arch of the C1
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Choi JW, Jeong JH, Moon SM, Hwang HS
- KMID: 2339926
- J Korean Neurosurg Soc.
- 2011 Mar;49(3):178-181.
Congenital anomalies in arches of the atlas are rare, and are usually discovered incidentally. However, a very rare subgroup of patients with unique radiographic features is predisposed to transient quadriparesis... -
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- The Transspinal Canal Screwing Technique for Atlantoaxial Anomalies: A Technical Note and 2 Case Reports
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Takebayashi K, Kubota M, Yuzurihara M, Tachibana , Kawamata T
- KMID: 2452668
- Neurospine.
- 2019 Jun;16(2):293-297.
- doi: 10.14245/ns.1836118.059
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... -
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- Computed Tomography Scan-Based Morphometric Analysis of Lateral Masses of Atlas Vertebrae in Normal Indian Population
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Bhide PC, Srivastava S, Purohit S, Pinto DA, Marathe NA
- KMID: 2467426
- Asian Spine J.
- 2019 Dec;13(6):949-959.
- doi: 10.31616/asj.2018.0227
STUDY DESIGN: A cross-sectional observational study involved the analysis of computed tomography (CT) scan data from 125 Indian subjects of 18 years or older with normal imaging findings. Scans were... -
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- Radiological Analysis of Ponticulus Posticus in Koreans
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Cho YJ
- KMID: 1782966
- Yonsei Med J.
- 2009 Feb;50(1):45-49.
- doi: 10.3349/ymj.2009.50.1.45
PURPOSE: Since there has been little reporting on the prevalence or morphologic characteristics of ponticulus posticus in Asians, we retrospectively reviewed cervical 3-dimensional CT scan images and plain radiographs which... -
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- Occipital Neuralgia after Occipital Cervical Fusion to Treat an Unstable Jefferson Fracture
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Kong SJ, Park JH, Roh SW
- KMID: 2288510
- Korean J Spine.
- 2012 Dec;9(4):358-361.
- doi: 10.14245/kjs.2012.9.4.358
In this report we describe a patient with an unstable Jefferson fracture who was treated by occipitocervical fusion and later reported sustained postoperative occipital neuralgia. A 70-year-old male was admitted... -
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- The C2 Pedicle Width, Pars Length, and Laminar Thickness in Concurrent Ipsilateral Ponticulus Posticus and High-Riding Vertebral Artery: A Radiological Computed Tomography Scan-Based Study
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Kothari MK, Dalvie SS, Gupta S, Tikoo A, Singh DK
- KMID: 2447536
- Asian Spine J.
- 2019 Apr;13(2):290-295.
- doi: 10.31616/asj.2018.0057
STUDY DESIGN: Retrospective radiological study. PURPOSE: We aimed to determine the prevalence of ponticulus posticus (PP) and high-riding vertebral artery (HRVA) occurring simultaneously on the same side (PP+HRVA) and in cases... -
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- Biomechanical and Anatomical Validity of the Short Posterior Arch Screw
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Mizutani J, Inoue N, Otsuka Y, Furuya A, Espinoza Orias AA, Otsuka T
- KMID: 2452675
- Neurospine.
- 2019 Jun;16(2):347-353.
- doi: 10.14245/ns.1836156.078
OBJECTIVE: This study was conducted to clarify the validity of the short posterior arch screw (S-PAS). The S-PAS is inserted only in the pedicle-analogue portion of the posterior arch. The... -
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