Location of ethmoidal arteries in relation to ethmoid cells and the anterior skull base.

IF 0.7 Q4 MEDICINE, RESEARCH & EXPERIMENTAL JOURNAL OF MEDICAL INVESTIGATION Pub Date : 2024-01-01 DOI:10.2152/jmi.71.273

Seiichiro Kamimura, Keisuke Ishitani, Hitoshi Shono, Ryo Kanamura, Tatsuya Fujii, Eiji Kondo, Takahiro Azuma, Go Sato, Yoshiaki Kitamura

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Abstract

Background: Ethmoidal arteries are at risk of accidental injury during endoscopic sinus surgery (ESS).

Aims/objectives: We aimed to examine the location of ethmoidal arteries in relation to ethmoid cells and the anterior skull base (ASB) in Japanese patients.

Material and methods: CT images of 100 sides of 50 patients were retrospectively reviewed. The location of anterior ethmoidal arteries (AEAs), middle ethmoidal arteries (MEAs) and posterior ethmoidal arteries (PEAs) in relation to ethmoidal cells and their distance from the ASB were evaluated.

Results: AEAs and PEAs were present in all sides. 60% of AEAs and 9% of PEAs ran below the level of ASB. MEAs were present in 21 sides and ran below the ASB in 23.8% (5/21) of these sides. The incidence of AEAs running below the level of ASB was significantly higher in the sides with supraorbital ethmoid cells (SOECs) than in those without SOECs.

Conclusion and significance: This study revealed the position and the distance from ASB of AEAs, PEAs, and MEAs in relation to ethmoid cells in Japanese patients. In cases with SOECs, surgeons should be careful not to injure the AEAs running below the level of ASB. J. Med. Invest. 71 : 273-278, August, 2024.

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乙状动脉与乙状细胞和前颅底的位置关系。

背景：乙状动脉在内窥镜鼻窦手术（ESS）中有意外损伤的风险：我们旨在研究日本患者的乙状动脉与乙状细胞和前颅底（ASB）的位置关系：对 50 名患者 100 个侧面的 CT 图像进行回顾性审查。评估了乙状前动脉（AEA）、乙状中动脉（MEA）和乙状后动脉（PEA）与乙状细胞的位置关系及其与 ASB 的距离：结果：AEA 和 PEA 在所有侧均存在。60%的 AEA 和 9% 的 PEA 位于 ASB 水平以下。21 个侧面存在 MEA，其中 23.8%（5/21）的 MEA 低于 ASB。有眶上乙状细胞（SOECs）的侧颌面部的 AEAs 位于 ASB 水平以下的发生率明显高于没有 SOECs 的侧颌面部：本研究揭示了日本患者的 AEA、PEA 和 MEA 与蝶骨细胞的位置和距离。在有 SOECs 的病例中，外科医生应注意不要伤及位于 ASB 水平以下的 AEAs。J. Med.Invest.71 : 273-278, August, 2024.

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JOURNAL OF MEDICAL INVESTIGATION MEDICINE, RESEARCH & EXPERIMENTAL-

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1.20

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0.00%

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