The tortuous course of the anterior ethmoidal artery in the orbit: A cadaveric study.

Autor: Yaprak F; Izmir Democracy University, Faculty of Medicine, Department of Anatomy, Izmir, Turkey. Electronic address: fulyaprak@hotmail.com., Coban I; Izmir Democracy University, Faculty of Medicine, Department of Anatomy, Izmir, Turkey., Ozer MA; Ege University, Faculty of Medicine, Department of Anatomy, Izmir, Turkey., Govsa F; Ege University, Faculty of Medicine, Department of Anatomy, Izmir, Turkey.
Jazyk: angličtina
Zdroj: Acta otorrinolaringologica espanola [Acta Otorrinolaringol Esp (Engl Ed)] 2024 Jul-Aug; Vol. 75 (4), pp. 217-223. Date of Electronic Publication: 2024 Feb 15.
DOI: 10.1016/j.otoeng.2023.12.001
Abstrakt: Aim: The study aimed to define the coursing pattern of the anterior ethmoidal artery (AEA) in the orbit to minimize complications during endoscopic interventions.
Materials and Methods: A total of ten formalin-fixed cadaveric halves were included in the study. Orbital regions were shown with a superior approach. The superior rectus and superior oblique muscles, as well as the connective tissue and vessels were removed to observe the path of the anterior ethmoidal artery. Measurements such as the width of the artery, the anterior-posterior length of the U formation, the length of the intraorbital part of the ophthalmic artery, and the distance of the AEA from its opthalmic origin to the anterior ethmoidal foramen were made.
Results: Ten of the AEAs originated from the ophthalmic artery. The AEA branches originated from the ophthalmic artery approximately 18.4 mm after the orbital artery entered the orbital, and the mean width of the AEAs was 0.82 mm. In seven of the total anterior ethmoidal arteries, they coursed in the intraethmoidal cavities below the cranial base. The mean distance from the origin of AEAs to the medial wall of the orbit was 4.9 mm. After leaving the ophthalmic artery, seven of the AEAs were coursing forward and turned back ('U' turn formation), which have proximately 1.5 mm in anteroposterior direction.
Conclusion: The anterior ethmoidal artery is 0.8 mm wide, originates from the distal part of the ophthalmic artery, entering the orbit after a 1.5 mm U-turn.
(Copyright © 2024 Sociedad Española de Otorrinolaringología y Cirugía de Cabeza y Cuello. Published by Elsevier España, S.L.U. All rights reserved.)
Databáze: MEDLINE
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