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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

CONTRERAS, Julio; LIENDO, Rodrigo; BELTRAN, Manuel  y  SOZA, Francisco. Glenoid size and Orientation in the Chilean Population. Int. J. Morphol. [online]. 2020, vol.38, n.4, pp.956-962. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022020000400956.

Glenoid morphology is a key factor in determining the success of shoulder surgery. The purpose of this experimental study was to precisely determine the anatomical size and orientation of the glenoid in the Chilean population. 122 CT scans from asymptomatic Chilean patients were obtained. The mean age was 43.8 years (SD 12.3; range, 17-53 years) with 63 female and 59 male patients. For each of the scapulae, were obtained the glenoid version and inclination, maximum glenoid width and height, superior glenoid width, glenoid surface area, glenoid vault depth, and maximum scapular width. The glenoid size showed an average width of 26 ± 2.7 mm, a height of 40.3 ± 3.5 mm and a vault depth of 26.5 ± 3.7 mm. There were significant differences between men and women. The glenoid orientation showed an average of -13.9 ± 4.8° of retroversion and a superior inclination of 11.1 ± 4.7°. Significant differences between men and women were seen only for version. We conclude, that in this Chilean sample the morphological parameters of the glenoid correspond to the published literature, however, some characteristics in this cohort must be further confirmed using other methods.

Palabras clave : Shoulder Joint; Glenoid Cavity; Anatomy; Bone Retroversion.

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