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ENDOSCOPIC ANTOMICAL LANDMARK OF THE CLIVUS REGION IN VIETNAMESE ADULT CADAVERS
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Abstract
Background: The clivus region are a small, central region of the skull base with limited surgical access and high morbidity associated with pathology of surrounding structures. In Viet Nam, studies relating to the anatomy of the clivus region and pterygopalatine fossa still have limitations. In particular, each race has a different morphology and structure. Therefore, the study on the characteristics of anatomical landmarks of these areas on endoscopic examination is necessary. Objectives: To study the characteristics of anatomical landmarks in the clivus region through endoscopic dissection of fresh carcasses. Methods: Cross-sectional descriptive study. From September 2020 to June 2021, we examined 10 fresh cadaveric samples at The Anatomy Department – University of Medicine and Pharmacy at HCM city and recorded the characteristics of anatomical landmarks. Results: Mean distance between the anterior nasal spine and the posterior wall of sphenoid sinus, carotid artery protuberance, optic protuberance, lateral opticalcarotid recess was 79,05± 7,72 mm, 76,18 ± 4,58 mm, 75,2 ± 5,79mm, 79,4 ± 6,04 mm. The length of the internal carotid artery is 13.85 ± 2.03 mm. The diameter of the internal carotid artery is 5.68±0.85mm. The distance between the two internal carotid arteries is 20.03± 1.98mm. Conclusions: The characteristics of the anatomical landmarks of the clivus region provide safe surgical distances. Understanding these characteristics helps guide and minimize complications when performing surgery in these areas.
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Keywords
clivus, internal carotid artery, carotid artery protuberance, optic protuberance, lateral opticalcarotid recess
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