Drainage of Superior Sagittal Sinus And Handedness
Journal Title: IOSR Journal of Dental and Medical Sciences (IOSR-JDMS) - Year 2018, Vol 17, Issue 1
Abstract
Background and Objectives: Determination of handedness is important in unidentified bodies. Drainage of Superior sagittal sinus (SSS) to one of the transverse sinuses is well documented. The present study is an attempt to find out any correlation between handedness and pattern of drainage of superior sagittal sinus. Materials and Methods: In this study 100 cranial cavities from postmortem cases were utilised to assess the type of drainage of SSS and correlated with handedness. Handedness of cadaver was known through relatives. Results: It was observed that amongst 97 right handed and 3 left handed subjects, four types of drainage patterns exist. Right dominant type was the commonest, noted in 45.4% of right handed subjects and 66.7% of left handed subjects. Bifurcation type was noted in 21.6% of right handed subjects and 33.3% in left handed subjects. Confluence type was noted in 17.5% of right handed subjects and nil in left handed subjects. Left dominant type was noted in 15.5% of right handed subjects and nil in left handed subjects. Pearson Chi- square test showed no correlation between types of drainage of SSS with handedness. Drainage was symmetrical to both transverse sinuses in 23.7% in right handed and 33.3% in left handed. Conclusion: Neither handedness nor ethnicity had correlation with drainage of SSS. The study highlights pattern of drainage in right and left handed individuals and opens new vista of drainage of SSS in larger samples of left handed individuals.
Authors and Affiliations
Dr. Chongtham Rajlakshmi, Dr. Irungbam Deven Singh
Keywords
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- DOI 10.9790/0853-1701021215.
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