CLINICALLY ORIENTED MORPHOMETRIC STUDY OF CERVICAL VERTEBRA IN INDIAN POPULATION

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Background. The anatomical dimensions of the cervical vertebrae have got neurosurgical implications. Aim. The objective of the present study was to study the dimensions of the various parts of the cervical vertebrae (C1-C7) in Indian population. Material and Methods. The present study included 237 cervical vertebrae, which included C1-C7. The dimensions of the different parts of the vertebrae like body, pedicle, spinous process, laminae and articular facets were measured. The age and gender of the vertebrae were unknown. Results and Discussion. The present study has provided important data about the dimensions of cervical vertebrae. It was observed that the dimensions of the vertebral body was more for the lower cervical vertebra. The pedicle was larger in dimension for the C3 vertebra. The lamina was increasing in dimensions from C3 to C7. The length of the spinous process was highest for the vertebra prominens. The superior and inferior articular facets were decreasing in dimension towards the lower neck. Conclusions. We believe that the data of the present study are important to the neurosurgical literature. The data will be enlightening to the operating spine surgeon during the procedures like internal fixation of the fracture vertebra and decompression procedure for the cervical spondylosis. It was observed that the racial variations seemed to exist and the implants should be devised as per the Indian data for the Indian patients.