Radiologic Evaluation of Clavicular Morphology in Southern Nigerians

Abstract

This study was carried out to derive empirical values and indices for which clavicles on a radiograph can be correctly sexed.1000 radiographic left clavicles of adults of both sexes (500 males and 500 females) ranging from ages 25 -60 yrs collated from the Radiology departments of University of Port Harcourt Teaching Hospital, University of Calabar Teaching Hospital and The General Hospital Calabar, all in Southern Nigeria, were used in this study.The values obtained in this study showed that, the males had Sternal head length of 2.52±0.33cm, Acromial head length of 1.66±0.25 cm, a mid shaft diameter of 2.01 cm and body length of 15.28±0.66cm.The female Sternal head length was 2.18±0.37 cm, Acromial head length was 1.65±0.22cm, mid shaft diameter was 1.48 cm and the mean body length was 14.56±0.51cm.The sternal head of the males was significantly longer than the females (P<0.001) but the body and acromial head lengths were not.The length / mid shaft diameter ratio and the product of the length and mid shaft diameter were also derived.The use of the demarking point analysis to identify sex showed very low percentages in all the parameters studied.

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