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All Journal Indian Journal of Forensic Medicine & Toxicology
Senthil Kumar. B
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Public Health

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Morphometric study of Macewan’s Triangle in Relation to Depth of the Sigmoid Sinus Plate Senthil Kumar. B
Indian Journal of Forensic Medicine & Toxicology Vol. 15 No. 1 (2021): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v15i1.13486

Abstract

Background: The suprameatal triangle is used for approaching the tympanic cavity and also it is an importantlandmark for otologic surgeons during mastoidectomy.Aim: To determine the depth of sigmoid sinus plate over the Macewan’s triangle by morphometry of variousanatomical landmarks.Materials & Methods: The study was carried out in the Department of Anatomy, Penang InternationalDental College & VMKV Medical College, Salem on 30 dry human adult skulls. Five landmarks (D1,D2, D3, D4, D5 and D6) were taken on the left and right sides of the skulls and the imaginary lines wereconstructed and measured by Vernier caliper between the landmarks.Results: The measurement of D2 showed statistically significant differences. The correlations of D1, D3,D4, D5 and D6 on both sides do not show any significant differences. The linear correlation equations werederived using the measurements for predicting D6.Conclusion: The depth of sigmoid sinus plate (D6) can be assessed using D1, D2, D3, D4, D5 on lateralview of head & neck X-rays which can be used by Otologist during mastoidectomy to avoid severe bleedingcomplications from sigmois sinus.
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