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Year : 2006  |  Volume : 9  |  Issue : 4  |  Page : 113-116

The prevalence of sella turcica bridging using plain radiographs: Xperience from Sokoto, northwestern Nigeria

1 Department of Anatomy, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
2 Department of Paediatrics, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria
3 Department of Radiology, College of Health Sciences, Usmanu Danfodiyo University, Sokoto, Nigeria

Correspondence Address:
A D Zagga
Department of Anatomy, College of Health Sciences, Usmanu Danfodiyo University, PMB 2346, Sokoto
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Source of Support: None, Conflict of Interest: None

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Background/Aims: The incidence of sella turcica bridging has been reported In anatomical and radiographic studies. In both anatomical and radiological practice in Nigeria, normal data in relation to the bridging of the sella turcica are based on Caucasian studies. We report the prevalence of sella turcica bridging In African subjects from Sokoto, Northwestern Nigeria. Design: A retrospective study of the prevalence of bridging of the sella turcica was undertaken using normal lateral radiographs of Nigerians examined in the department of Rad iology , Usmanu Danfodlyo University Teaching Hospital (UDUTH), Sokoto , from 2002 to 2004. Methodology: All available lateral radiographs of subjects over a 3-year period from 2002 to 2004 were retrieved from the Radiology Department of the Usmanu Danfodiyo U niversity Teaching Hospital, Sokotofor the study. Radiographs were mounted on the viewing boxes and sellae turcicae with bridge were studied and classified. Results: A total of 228 subjects were involved In this study. Only 26(11.4%) subjects had bridged sella turcica. The predominant type of sella turcica bridge In the African subjects studied Is type B, but the d ifference In frequency of type B sella turcica bridge and that of type A Is not statistically significant . (p>0.05) . On the frequency of sella turcica bridging in relation to sex of the subjects studied , the difference in frequency of males and females Is not statistically significant. (p>0.05). There Is statistically significant difference when each of the t wo types of sella turcica bridge Is compared with those with no bridge. (p<0.05). Conclusion: It Is concluded that the prevalence and the relative frequencies of the types of sella turcica bridging reported in this study on Nigerian subjects Is similar to t hose In Caucasians. Further studies on a larger scale are needed to corroborate our findings.

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