Meyer's loop and its anatomical importance in surgical planning - a systematic review.

IF 1.2 4区医学 Q3 ANATOMY & MORPHOLOGY Folia morphologica Pub Date : 2025-03-21 DOI:10.5603/fm.104490

Agata Mazurek, Urszula Durlak, Viktoriia Popadynets, Julia Dyrcz, Jerzy A Walocha, Tomasz Iskra

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Abstract

Background: Meyer's loop (ML), the anterior extension of the optic radiation, is critical in neurosurgical planning for temporal lobe procedures. Establishment of accurate localization of ML relative to key anatomical landmarks is crucial to minimize post-surgical visual field deficits.

Materials and methods: A systematic review was conducted using PubMed, Scopus, and Embase databases from September to December 2024, following PRISMA 2020 guidelines. Anatomical and radiological studies focused on distances from Meyer's loop to surgical landmarks were included.

Results: Out of 1,466 identified studies, 27 met the inclusion criteria (21 radiological and 6 anatomical). 26 of included articles presented measurements of ML-TP distance which ranged from 14.0 to 54.4 mm. Asymmetry of the ML was observed in approximately half of the cases.

Conclusions: This review highlights the variability in ML positioning. Thorough individualized surgical planning with properly selected imaging protocol might reduce the risk of postoperative visual field deficits.

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迈耶环及其在手术规划中的解剖学重要性--系统综述。

背景：Meyer’s loop (ML)，视光辐射的前伸，在颞叶手术的神经外科计划中是至关重要的。建立ML相对于关键解剖标志的准确定位对于减少术后视野缺损至关重要。材料和方法：根据PRISMA 2020指南，于2024年9月至12月使用PubMed、Scopus和Embase数据库进行系统评价。解剖学和放射学的研究集中在梅耶氏环到手术标志的距离。结果：在1466项研究中，27项符合纳入标准（21项放射学研究和6项解剖学研究）。纳入的26篇文章给出了ML-TP距离的测量值，范围从14.0到54.4 mm。在大约一半的病例中观察到ML的不对称性。结论：这篇综述强调了ML定位的可变性。彻底的个体化手术计划和适当选择的成像方案可以降低术后视野缺损的风险。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Folia morphologica ANATOMY & MORPHOLOGY-

CiteScore

2.40

自引率

0.00%

发文量

218

审稿时长

6-12 weeks

期刊介绍： "Folia Morphologica" is an official journal of the Polish Anatomical Society (a Constituent Member of European Federation for Experimental Morphology - EFEM). It contains original articles and reviews on morphology in the broadest sense (descriptive, experimental, and methodological). Papers dealing with practical application of morphological research to clinical problems may also be considered. Full-length papers as well as short research notes can be submitted. Descriptive papers dealing with non-mammals, cannot be accepted for publication with some exception.