منابع مشابه
Multiple anomalies in the atlanto-occipital joint (articulation atlanto-occipitalis)
Contemporary populations exhibit numerous skeletal anatomical variations and the atlanto-occipital joint (articulation atlanto-occipitalis) is often the location of such variations. A female skeleton dated at 4000 BC and excavated at Meroe in the Sudan provides an example of numerous variations in the basilar skull and cervical vertebrae. These variations consist of the presence of a bilateral ...
متن کاملTraumatic Atlanto-occipital Dislocation (AOD)
OBJECTIVE Traumatic atlanto-occipital dislocation (AOD) results from high energy trauma and is an uncommon and usually fatal injury due to an injury to the cervicomedullary junction. Recently, improved prehospital management, early diagnosis and effective treatment led to increasing reports of survival. This study of patients with AOD initial imaging modalities recognizes the clinical features ...
متن کاملSkeletal aspects of the atlanto-occipital fusion in a Japanese brown calf.
Atlanto-occipital fusion in a Japanese Brown calf was examined morphologically, paying special attention to skeletal changes. At the craniovertebral junction, the basal occipital bone fused to the cranial extremity of the ventral arch of the atlas with the rudiment of the atlantal centrum. The dens was not formed at the axis. These changes suggest that a hypocentrum and a centrum of the atlas d...
متن کاملAtlanto-occipital dislocation: Case report and discussion
Traumatic atlanto-occipital dislocation is an uncommon injury that frequently results in either a fatal outcome or severe neurologic deficit. This diagnosis must be considered for any patients who may have had cervical spine damage after high trauma, even in the absence of neurologic signs, as there have been reports of cases without neurologic impairment. In addition to radiographic examinatio...
متن کاملTraumatic dislocation of the atlanto-occipital joint.
We present four patients who had sustained a traumatic dislocation of the atlanto-occipital joint. The diagnosis was initially missed in two patients. One patient, who was neurologically intact, was treated non-operatively. The remaining three recovered neurologically after an occipitocervical fusion. Early recognition of the injury, especially in multiply-injured patients with head injuries, a...
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ژورنال
عنوان ژورنال: Journal of the Japan Veterinary Medical Association
سال: 2009
ISSN: 0446-6454,2186-0211
DOI: 10.12935/jvma.62.132