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Anatomica Karnataka - an International Journal
Periodical of Karnataka Chapter of Anatomists
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ISSN: 2229-7545 (Print)
ISSN: 2249-5398 (Online)
Language: [ English ]  
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  » Volume 7, Issue 3
      pp. 1-74
  » Volume 7, Issue 1
      pp. 1-83

 

Open Access

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A Study of Lumbar Pedicle size in South Indians

Aruna N, Rajeshwari T.

Abstract
The pedicle, a cylinder of cortical bone encasing a small amount of cancellous bone, is considered in normal spines to be the strongest part of the vertebra. Transpedicular fixation of the spine is a secure way of obtaining effective vertebral stabilization in the management of different spinal disorders. Racial morphometric differences in the pedicular size of the vertebrae must be taken into account when using international transpedicular screw systems.
In the present study is reported the size of the pedicles of all 5 lumbar vertebrae at their narrowest point. A total of 440 pedicles were measured in 44 dry adult lumbar vertebraL sets. The vertebral columns belonged to the population in and around Bangalore representing South India. The vertical and horizontal diameters of the pedicle at its most slender portion were measured using vernier calipers. The product of the two was calculated to get the pedicle index, which represented the size and strength of the pedicle.
The horizontal and vertical diameters of the lumbar pedicles ranged from 7.40 to 17.52 and 14.82 to 12.33 mm. It was found that the pedicle index increased from L1 to L5.
Racial morphometric differences in the pedicular structure of the vertebrae must be taken into account when using international transpedicular screw systems. Knowledge of pedicle morphology is essential for pedicle screw use. Once pedicle’s size is known, it would be possible to evaluate the diameters of the pedicular screws considered as safe.

Key words: Lumbar, pedicles, transpedicular screw



How to Cite this Article
Pubmed Style

N A, T R. A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka. 2011; 5(2): 69-73.



Web Style

N A, T R. A Study of Lumbar Pedicle size in South Indians . www.scopemed.org/?mno=11731 [Access: August 28, 2014].



AMA (American Medical Association) Style

N A, T R. A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka. 2011; 5(2): 69-73.



Vancouver/ICMJE Style

N A, T R. A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka. (2011), [cited August 28, 2014]; 5(2): 69-73.



Harvard Style

N, A. & T, R. (2011) A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka, 5 (2), 69-73.



Turabian Style

N, Aruna, and Rajeshwari T. 2011. A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka - an International Journal , 5 (2), 69-73.



Chicago Style

N, Aruna, and Rajeshwari T. "A Study of Lumbar Pedicle size in South Indians ." Anatomica Karnataka - an International Journal 5 (2011), 69-73.



MLA (The Modern Language Association) Style

N, Aruna, and Rajeshwari T. "A Study of Lumbar Pedicle size in South Indians ." Anatomica Karnataka - an International Journal 5.2 (2011), 69-73. Print.



APA (American Psychological Association) Style

N, A. & T, R. (2011) A Study of Lumbar Pedicle size in South Indians . Anatomica Karnataka - an International Journal , 5 (2), 69-73.



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News / Announcements

  • IC value for 2012 is 4.72 ['Nov 17, 2013']

  • Digitization of Journal \"Anatomica Karnataka\" ['Sep 02, 2012']





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