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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

TETIKER, Hasan et al. Pneumatization of crista galli in Pre-adult and Adult Stages. Int. J. Morphol. [online]. 2016, vol.34, n.2, pp.541-544. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022016000200021.

The sinonasal region in humans is one of the regions that commonly shows anatomical variations. These variations can be easily diagnosed by paranasal CT evaluation. One of these variations is Crista galli pneumatization. In recent years, there have been opinions supporting the hypothesis that pneumatization originates from the frontal sinus. In this study, we planned to evaluate whether the presence of Crista galli pneumatization varied in pre-adult and adult periods. In this retrospectively designed study, 218 coronal paranasal CT images collected between 2012 and 2013 were evaluated. Patients were divided into two groups according to age under or over 18 years. In the group under the age of 18 (97 cases), pneumatization was detected in 2.1 % of samples, while in the group over the age of 18 (121 cases), crista galli pneumatization was observed in 15.7 % of samples. According to these results, crista galli pneumatization was found to increase in adulthood. Considering that the frontal sinus is in a rudimentary state at birth, it is radiographically detected first at 6 years of age, and reaches its main size in puberty, this increase in pneumatization runs parallel to the development of the frontal sinus. Consequently, this supports the opinion that crista galli pneumatization originates from the frontal sinus.

Palabras clave : Crista galli; Paranasal sinuses; Pneumatization; Computed tomography.

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