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J. Neurol. Neurosurg. Psychiatr. · May 2004
Case ReportsA case of Collet-Sicard syndrome associated with traumatic atlas fractures and congenital basilar invagination.
- H P Hsu, S T Chen, C J Chen, and L S Ro.
- Department of Neurology, Chang Gung Memorial Hospital and Chang Gung University, 199 Tun Hwa North Road, Taipei, Taiwan 10591.
- J. Neurol. Neurosurg. Psychiatr. 2004 May 1; 75 (5): 782-4.
AbstractAn 18 year old man with congenital basilar invagination developed multiple lower cranial nerve (CN) palsies including CN IX to XII after a traffic accident. Computed tomography of his skull base revealed a two part atlas Jefferson fracture. Normally, lower cranial nerves (CN IX-XII) pass through a space between the styloid process and the atlas transverse process. Atlas burst fractures rarely cause neurological deficits because of a greater transverse and sagittal diameter of the spinal canal at the atlas, and a tendency of the lateral masses to slide away from the cord after injury. However, when associated with a rare condition-congenital basilar invagination-atlas fractures can compromise the space and make CN IX-XII more vulnerable to compression injury. This report discusses the correlation between the anatomical lesions and clinical features of this patient.
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