应用MRI分析西尔维娅裂的解剖变异

IF 0.3 Q3 MEDICINE, GENERAL & INTERNAL Journal of Health and Allied Sciences NU Pub Date : 2023-08-08 DOI:10.1055/s-0043-1772198
Kevin N. Aranha, Mahesh Mijar, Malathi Bhat
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引用次数: 0

摘要

背景在神经外科中诊断和治疗肿瘤和动脉瘤最常见的手术入路是经外侧-翼点入路。Sylvian裂隙(SF)的分类是由Yasargil根据纯粹的解剖观察提出的。SF是大脑上外侧表面最易识别的特征,它将顶叶和额叶与位于下方的颞叶分开。目的探讨正常人群SF(双侧)的解剖变异及其形态不对称性。背景和设计:本研究采用1.5 t磁共振成像(MRI)系统,对正常健康人群SF(双侧)的解剖变异和形态不对称性进行回顾性、观察性、描述性记录研究。材料与方法将SF分为5类。通过MRI对SF进行分类,在三个平面上使用t1加权图像。统计分析采用SPSS 23.0统计软件。结果在本研究中,我们发现4型在100例患者的一般人群中最为常见。我们发现1型在50岁到60岁以上的年龄组中最常见。2型和4型SF在所有年龄组均有发现。在本研究中,85%的一般人群中SF的双侧表现为对称,15%的人群中SF的双侧表现为不对称。结论MRI对SF分型可靠、实用。神经外科手术前对SF解剖的充分了解有助于减少手术相关的发病率、缺血性病变或水肿。
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Analysis of the Anatomical Variations in Sylvian Fissure Using MRI
Abstract Background  The most common surgical approach in neurosurgery to diagnose and treat tumors and aneurysms is the transylvian-pterional approach. The classification of Sylvian fissure (SF) was proposed based on pure anatomical observations by Yasargil. The SF is the most identifiable feature of the superolateral brain surface, which divides the parietal and frontal lobes from the temporal lobe which lies below. Aim  The aim was to identify the anatomical variations in SF (bilaterally) in the normal population and to identify its morphological asymmetry. Setting and Design  This was a retrospective, observational descriptive record-based study which was done to identify the anatomical variations and morphological asymmetry in SF (bilaterally) in the normal healthy population using a 1.5-T magnetic resonance imaging (MRI) system. Materials and Methods  The SF was classified into five types. The categorization of the SF was done by MRI, either using T1-weighted images in three planes. Statistical Analysis  Percentage and frequency using SPSS 23.0. Results  In this study, we found that type 4 was most common in the general population of 100 patients. We found type 1 was most common in age groups above 50 up to 60 years of age. Types 2 and 4 SF were found in all age groups. Bilateral presentation of the SF can be considered as symmetric in 85% of the general population and asymmetric in 15% of the population considered in this study. Conclusion  Classification of the SF types on MRI was shown to be reliable and practicable. Sound knowledge of SF anatomy before neurosurgery can help reduce procedure-related morbidity, ischemic lesions, or edema.
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来源期刊
Journal of Health and Allied Sciences NU
Journal of Health and Allied Sciences NU MEDICINE, GENERAL & INTERNAL-
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