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Revista Brasileira de Ortopedia

versão impressa ISSN 0102-3616

Resumo

VIEIRA, Juliano Silveira Luiz et al. Evaluation of terminal vertebral plate on cervical spine at different age groups and its correlation with intervertebral disc thickness. Rev. bras. ortop. [online]. 2009, vol.44, n.1, pp. 20-25. ISSN 0102-3616.  http://dx.doi.org/10.1590/S0102-36162009000100003.

OBJECTIVE: To evaluate, by means of histomorphometry, terminal vertebral plate thickness, intervertebral disc thickness and its correlation on different age groups, seeking to identify its correlation. METHODS: C4-C5 and C5-C6 cervical segments removed from human cadavers of both genders were assessed and divided into five groups of 10-year age intervals, from 21 years old. TVP and intervertebral disc thickness evaluation was made by means of histomorphometry of histological slides stained with hematoxylin and eosyn. Lower C4 TVP, upper C5 TVP, and upper C6 TVP de were compared between each other and to the interposed intervertebral disc thickness between relevant TVP. RESULTS: The thickness of terminal vertebral plates adjacent to the same ID did not show statistic differences. However, the comparison of upper and lower vertebral plates thickness on the same cervical vertebra (C5), showed statistical difference on all age groups studied. We found a statistical correlation coefficient above 80% between terminal vertebral plate and adjacent intervertebral disc, witha proportional thickness reduction of both structures on the different cervical levels studied, and also on the different age groups assessed. CONCLUSION: Terminal vertebral plate shows a morphologic correlation with the intervertebral disc next to it, and does not show correlation with the terminal vertebral plate on the same vertebra.

Palavras-chave : Spine; Intervertebral disc; Cadaver.

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