0.35 Tesla magnetic resonance imaging findings in a cohort of 399 seizure patients. Experience from a single centre in Nigeria

B. Ezeala-Adikaibe, B. Oti, S. Ohaegbulam, Okwudili Okwuonodulu, C. Ndubuisi
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Abstract

Epilepsy/seizures are major indications for brain imaging in clinical neurology. Structural lesions that may cause seizures are numerous and are defined using various neuroimaging techniques, including magnetic resonance imaging. The resolution of MRI allows for better fine ultra-structural lesions delineation. The aim of this study was to describe the pattern and frequency of structural brain lesions in MRI of patients with seizures and no clinically evident focal neurological signs. This was a retrospective, descriptive study carried out in a private hospital in Enugu, South East Nigeria to review all MRI results of patients who presented with seizures without clinical evidence of focal neurologic deficits. The MRI reports of two-third of the patients (47.9%) revealed focal lesions and about a third of the patients (32.2%) had normal findings. The structural lesions reported were mostly brain tumors (16%), stroke (9.5%), central nervous system infections (6.5%), brain malformation (6%) and encephalomalacia/gliosis (5%). Frequency of focal lesions clearly increased with age. Young patients were mostly associated with normal findings. Brain tumors and stroke were noted to occur more in the middle and aged patients respectively. Brain Magnetic Resonance Imaging remains a useful tool in the workup of patients with seizures without neurologic deficits. Treatable lesions can easily be revealed using this imaging modality.
399例癫痫患者的特斯拉磁共振成像结果。来自尼日利亚单一中心的经验
癫痫/发作是临床神经学脑成像的主要适应症。可能引起癫痫发作的结构性病变很多,可以使用包括磁共振成像在内的各种神经成像技术来确定。MRI的分辨率允许更好的精细超微结构病变描绘。本研究的目的是描述癫痫发作患者的MRI结构损伤的模式和频率,临床上没有明显的局灶性神经症状。这是一项回顾性描述性研究,在尼日利亚东南部埃努古的一家私立医院进行,目的是回顾所有癫痫发作患者的MRI结果,这些患者没有局灶性神经功能缺损的临床证据。三分之二(47.9%)的患者MRI报告显示局灶性病变,约三分之一(32.2%)的患者表现正常。结构性病变主要是脑肿瘤(16%)、中风(9.5%)、中枢神经系统感染(6.5%)、脑畸形(6%)和脑软化/神经胶质瘤(5%)。局灶性病变的发生频率明显随年龄增长而增加。年轻患者大多伴有正常的检查结果。脑肿瘤和中风分别在中年和老年患者中发生较多。脑磁共振成像仍然是一个有用的工具,在没有神经功能缺陷的癫痫患者的工作。使用这种成像方式可以很容易地发现可治疗的病变。
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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