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Morphological and Morphometrical Analysis of Glasscock’s Triangle and Its Clinical Applications in Dry Human Skull Bones
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| Author:
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PRIYADHARSHINI BABU, KARTHIK GANESH MOHANRAJ
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| Abstract:
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The posterolateral triangle also known as Glasscock triangle. The landmark Foramen spinosum, greater petrosal groove and Articular eminence forms the circumference of the Glasscock triangle. Glasscock triangle contents include the Foramen spinosum, Mandibular nerve,infra temporal fossa, horizontal petrous of internal carotid artery. A total of 40 dry human skulls were obtained from the Department of Anatomy, Saveetha Dental College, Chennai. Using a sliding vernier caliper the circumference of the left sided and right sided Glasscock triangle was measured. The average distance in the left and right side between Foramen spinosum to Greater petrosal nerve is 1.204 and 1.272. Between Greater petrosal nerve and Articular eminence is 2.114 and 2.65. Between Articular eminence and Foramen spinosum is 1.913 and 2.512. Inadvertent injury to the Eustachian tube leading to cerebrospinal fluid rhinorrhea is a complication associated with the drilling of Glasscock triangle. The analysis of the landmark helps in proper exposure of the horizontal part of the Internal carotid artery.
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| Keyword:
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Morphometry, Glasscock’s triangle, Articular eminence, Foramen spinosum, greater petrosal groove, Clinical application.
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| EOI:
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| DOI:
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https://doi.org/10.31838/ijpr/2020.12.03.341
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| Download:
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