Results 251 to 260 of about 42,575 (291)

Cervical Myelopathy Caused by Anomalies at the Level of Atlas

Spine, 2010
Case report.To report a case of cervical myelopathy due to simultaneous anomalies at the level of atlas involving hypoplasia of the posterior arch of the atlas, partial ossification of the transverse atlantal ligament, and hypertrophy of the dens.Hypoplasia of the posterior arch of the atlas, ossification of the transverse atlantal ligament, and ...
Jia-Guang, Tang, Shu-xun, Hou, Wei-Lin, Shang, Wen-Wen, Wu   +3 more
openaire   +2 more sources

Cervical Myelopathy Due to a Hypoplastic Atlas

Neurosurgery Quarterly, 2008
Congenital hypoplasia of the atlas is a rare cause of cervical myelopathy. We report a case of a 30-year-old man with cervical myelopathy caused by spinal stenosis at the level of the atlas associated with a hypoplastic but complete posterior arch of C1.
Bulent Duz, Metin Kaplan, Ozkan Tehli, Serdar Kahraman   +3 more
openaire   +1 more source

Cervical cord compression due to a hypoplastic atlas

Journal of Neurosurgery: Spine, 2001
✓ The authors report the case of a 66-year-old man with progressive, nontraumatic, C-1 cord compression who presented with a complete but hypoplastic atlas. They review six cases found in the literature. Symptoms usually develop in the late adulthood; the sagittal diameter of the canal measures 10 mm or less.
May, Daniel Marc, Jenny, Benoît John, Faundez, Antonio   +2 more
openaire   +3 more sources

Atlas hypoplasia as a cause of high cervical myelopathy

Journal of Neurosurgery, 1993
✓ A high cervical myelopathy due to atlas hypoplasia is described in a 56-year-old man; the condition caused marked segmental compression of the spinal cord. A remarkable neurological recovery followed decompressive laminectomy of the atlas and adjacent regions. The authors discuss the embryology and etiology of this anomaly.
Y, Komatsu, T, Shibata, S, Yasuda, Y, Ono, T, Nose   +4 more
openaire   +2 more sources

Posterior fixation and fusion with atlas pedicle screw system for upper cervical diseases

Chinese Journal of Traumatology - English Edition, 2008
ObjectiveTo evaluate the feasibility, safety and efficacy of atlas pedicle screws system fixation and fusion for the treatment of upper cervical diseases.MethodsTwenty-three consecutive patients with upper cervical disorders requiring stabilization ...
CUI, Shao-qian, WANG, Huan, LI, Lei, ZHOU, Feng-hua   +3 more
exaly   +2 more sources

Cervical Myelopathy Accompanied With Hypoplasia of the Posterior Arch of the Atlas

Journal of Spinal Disorders & Techniques, 2009
Case reports of 2 patients having cervical myelopathy accompanied with idiopathic hypoplasia of the posterior arch of the atlas.A standard for the sagittal inside diameter (SID) of the vertebral foramen of the atlas was determined for use in the diagnosis of hypoplasia.
Yoshiro, Musha, Kazuhiro, Mizutani
openaire   +2 more sources

Spontaneous Fracture of Atlas of Cervical Spine Affected by Rheumatoid Arthritis

Scandinavian Journal of Rheumatology, 1985
A case of spontaneous fracture of the atlas in a 67-year-old woman who had suffered from rheumatoid arthritis for more than 20 years is described. This fracture is unique and can present diagnostic problems. Lying in the coronar plane makes the atlas difficult to visualize radiographically.
J, Sandelin, S, Santavirta, E, Laasonen, P, Slätis   +3 more
openaire   +2 more sources

Congenital hypoplasia of the arch of the atlas with abnormal segmentation of the cervical spine

Archives of Orthopaedic and Trauma Surgery, 1994
We describe a 53-year-old Japanese woman with absence of the posterior arch of the atlas. Computed tomography revealed that the residual posterior fragment which was displaced to the right side does not correspond to a rare ossification center in the midline and that there was no clear mass of the posterior arch except for a small fragment.
M, Chigira, K, Kaneko, K, Mashio, H, Watanabe   +3 more
openaire   +2 more sources

ATLAS-AXIS DISLOCATION FOLLOWING CERVICAL INFECTION

JAMA: The Journal of the American Medical Association, 1942
Dislocation of the axis on the atlas is often traumatic (frequently with fracture of the odontoid process and resultant damage to the cord), but it may also occur as a sequel to cervical infections. This second cause brings the patient into the field of the otorhinolaryngologist, who deals with infections in this region and who must recognize the ...
openaire   +1 more source

Cervical Myelopathy and Congenital Stenosis From Hypoplasia of the Atlas

Spine, 2001
Case reports of patients with cervical myelopathy to hypoplasia of the atlas.To report cases of cervical myelopathy due to congenital hypoplasia of the atlas and to review the literature.Six previously documented cases of congenital hypoplasia of the atlas as a cause of cervical myelopathy are reported in the literature.Three patient's clinical record ...
K, Nishikawa, S C, Ludwig, R J, Colón, Y, Fujimoto, J G, Heller   +4 more
openaire   +2 more sources