Results 81 to 90 of about 5,241,481 (177)

Ossification of the Posterior Atlantoaxial Membrane Associated with an Os Odontoideum: A Case Report

Journal of Orthopaedic Surgery, 2011
We report a case of ossification of the posterior atlantoaxial membrane associated with an os odontoideum in a 46-year-old woman. She developed myelopathy following a minor motor vehicle accident.
Junichi Ohya, Hirotaka Chikuda, Shurei Sugita, Takashi Ono, Yasushi Oshima, Katsushi Takeshita, Hiroshi Kawaguchi, Kozo Nakamura   +7 more
doaj   +1 more source

Surgical strategies for the treatment of os odontoideum with atlantoaxial dislocation

, 2018
OBJECTIVEThis study aimed to compare the clinical results of using posterior fixation and fusion with or without anterior decompression to treat os odontoideum with atlantoaxial dislocation.METHODSTwenty-five consecutive patients with os odontoideum were
Boming Zhao, Cao Yang, Shuai Li, Ting Ge, Shuhua Yang, Yong Gao, Xinghuo Wu, Zengwu Shao, Kirkham B. Wood, Jing Wang   +9 more
core   +1 more source

Unstable os odontoideum contributing to cervical myelopathy and obstructive sleep apnea [PDF]

, 2021
Background: Sleep apnea is characterized by repetitive cessation of breathing during sleep. It may be attributed to obstructive, central, or mixed pathologies close to the upper airway resulting in a decreased diameter of the oropharyngeal tract.
Rahimizadeh, A., Asgari, N., Malekmohammadi, Z., Karimi, M.   +3 more
core  

Os odontoideum in a patient with cervical vertigo: a case report. [PDF]

, 2001
Cervical vertebral anomalies are often associated with malformations or traumas, they may be completely asymptomatic and represent an occasional finding in vertigo or can cause severe neurologic complications (ie, compression of the upper cervical spine ...
GALLI J, CALO L, TARTAGLIONE T, OTTAVIANI, FABRIZIO   +3 more
core  

Evaluation of upper cervical vertebrae anomalies in patients with cleft lip and palate with cone beam computed tomography

Adıyaman Üniversitesi Sağlık Bilimleri Dergisi
Aim: The purpose of this study was to compare upper cervical vertebral anomalies (CVAs) between patients with cleft lip and palate (CLP) and healthy individuals using cone-beam computed tomography (CBCT).
Yeliz Güneş, Mehmet Oğuz Borahan
doaj   +1 more source

Os odontoideum as a rare but possible complication in children with dyskinetic cerebral palsy: a clinical and neuroradiologic study

, 2011
The authors describe a 12-year-old boy with dyskinetic (athetoid-dystonic subtype) cerebral palsy and os odontoideum. Dystonic and choreoathetotic components in cerebral palsy are movement disorders that are difficult to treat and cause major disability.
Palma M, DICUONZO, Franca, Cacudi M, Losito L, De Rinaldis M., Gennaro L, Trabacca A   +6 more
core  

Adult Morquio syndrome requiring occipito-thoracic fusion

Journal of Orthopaedic Surgery, 2020
Morquio syndrome is a relatively rare entity that is often associated with atlantoaxial instability from early childhood due to odontoid dysplasia based on a mucopolysaccharoidal disorder.
Ryosuke Okumura, Keiji Hasegawa, Shintarou Tsuge, Katsunori Fukutake, Kazumasa Nakamura, Hiroshi Takahashi, Akihito Wada   +6 more
doaj   +1 more source

Os odontoideum: presentation, diagnosis, and treatment in a series of 78 patients

, 2008
ObjectThe most contentious issue in the management of os odontoideum surrounds the decision to attempt atlantoaxial fusion in patients with asymptomatic lesions.
Ronald Apfelbaum, Paul Klimo, Douglas Brockmeyer, Peter Kan, Ganesh Rao   +4 more
core   +1 more source

Surgical management strategies for atlantoaxial instability/dislocation in down syndrome

Journal of Orthopaedic Surgery and Research
Objective To evaluate surgical strategies and clinical outcomes for atlantoaxial instability/dislocation (AAI/AAD) in Down syndrome (DS) patients. Methods A retrospective review was conducted on 12 DS patients with AAI/AAD treated between March 2018 and ...
Yang Gao, Nanfang Xu, Yinglun Tian, Shenglin Wang   +3 more
doaj   +1 more source

C1–C2 fusion with absence of C1 posterior arch and presence of C2 high-riding vertebral artery: Is it possible?

Journal of Orthopaedic Surgery, 2019
The presence of anatomical anomalies such as absence of C1 posterior arch and presence of C2 high-riding vertebral artery may not allow a conventional C1–C2 fusion, and this patient will require occipitocervical fusion.
Tat Seng Wong, Muhammad Lutfi Abdul Rashid, Mohd Shahnaz Hasan, Chee Kidd Chiu, Chris Yin Wei Chan, Mun Keong Kwan   +5 more
doaj   +1 more source