Index to Chiropractic Literature
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ID 24507
  Title High incidence of persistence of sacral and coccygeal intervertebral discs in South Indians – a cadaveric study
Journal J Can Chiropr Assoc. 2016 Jun;60(2):Online access only p 182–189
Peer Review Yes
Publication Type Article

The sacrum, by virtue of its anatomic location plays a key role in providing stability and strength to the pelvis. Presence of intervertebral discs in sacrum and coccyx is rare. Knowledge of its variations is of utmost importance to surgeons and radiologists. The current study focused on the presence of intervertebral discs between the sacral and coccygeal vertebrae in south Indian cadaveric pelvises. We observed 56 adult pelvises of which, 34 (61%) pelvises showed the presence of intervertebral discs between the sacral vertebrae and between the coccygeal vertebrae, while 22 (39%) pelvises did not have the intervertebral discs either in the sacrum or the coccyx. We also found that most of the specimens had discs between S1 and S2 vertebrae (39%), followed by, between S4 and S5 (18%), between S2–S3 (14%) and least being between S3–S4 (13%). In the coccyx it was found that 7% of pelvises had disc between Co1-Co2, 4% of them had between Co2-Co3 and 4% had between Co3-Co4. Knowledge regarding such anatomic variations in the sacro-coccygeal region is important to note because they require alterations in various instrumentation procedures involving the sacrum.

This abstract is reproduced with the permission of the publisher. Click on the above link for free full text.

Le sacrum, en raison de son emplacement anatomique, joue un rôle essentiel pour assurer la stabilité et la force du bassin. La présence de disques intervertébraux dans le sacrum et le coccyx est rare. La connaissance de ses variations est d’une importance capitale pour les chirurgiens et les radiologues. L’étude actuelle a porté sur la présence de disques intervertébraux entre les vertèbres sacrées et coccygiennes sur des bassins cadavériques dans le sud de l’Inde. Nous avons observé 56 bassins adultes, dont 34 (61 %) ont montré la présence de disques intervertébraux entre les vertèbres sacrées et coccygiennes, tandis que 22 (39 %) autres n’avaient pas des disques intervertébraux, dans le sacrum ou le coccyx. Nous avons également constaté que la plupart des spécimens avaient un disque entre les vertèbres S1 et S2 (39 %), 18 % avaient un disque entre les vertèbres S4 et S5, et enfin 14 % entre S3 et S4. Dans le coccyx, on a constaté que 7 % des bassins avaient un disque entre Co1 et Co2, 4 % d’entre eux l’avaient entre Co2 et Co3 et 4 % entre Co3 et Co4. Il est important de noter la connaissance de ces variations anatomiques de la région sacro-coccygienne en raison des modifications nécessaires à apporter aux diverses procédures d’instrumentation impliquant le sacrum.

Ce résumé est reproduit avec l'autorisation de l'éditeur. Cliquez sur le lien ci-dessus pour obtenir l’article gratuitement.


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