3特斯拉磁共振成像评价椎管内髓外非骨肿瘤病变及其术后和组织病理学相关性

IF 0.1 Q4 RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING
Neeraj Prajapati, S. K. Rastogi, Y. Kumar, Abhinav Pandit, Nisma Wahed, Navreet Singh
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引用次数: 0

摘要

目的:本研究旨在评估3特斯拉磁共振成像(MRI)在检测和表征椎管内髓外非骨肿瘤病变及其组织病理学相关性方面的诊断能力。设置和设计:这是一项前瞻性研究,涉及50名出现腰痛和下肢无力的患者,MRI结果提示髓外椎管内肿瘤病变。患者和方法:使用3特斯拉16通道MRI扫描仪进行成像。使用T1、T2、短τ反转恢复序列和T1脂肪饱和序列进行多平面成像。所有患者随后接受钆后MRI检查。然后对MRI的检查结果进行回顾。对MRI检查结果与手术和组织病理学检查结果之间的相关性进行了分析。结果:在评估的50名患者中,40名患者出现硬膜内病变,10名患者出现硬脑膜外病变。神经鞘瘤是最常见的肿瘤,其次是硬膜内脑膜瘤。还发现了两例罕见的硬膜内脂肪瘤和恶性周围神经鞘肿瘤。在硬膜外类中,转移是最常见的病变,硬膜外脑膜瘤和白血病相关粒细胞肉瘤是两种罕见的病变。结论:MRI是评价脊柱肿瘤不可或缺的工具。它的多平面能力、高质量的软组织分辨率和对各种解剖标志的描绘有助于神经外科医生制定手术路线图。在大多数情况下,MRI可以提供有关病变组织病理学的信息。然而,在某些情况下,需要包括鉴别诊断,特别是在硬膜外脑膜瘤和恶性周围神经鞘肿瘤的情况下,因为它们的发病率很低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
3-Tesla magnetic resonance imaging evaluation of intraspinal extramedullary nonosseous neoplastic lesions with their postsurgical and histopathological correlation
Aims: This study aimed to evaluate the diagnostic ability of 3-Tesla magnetic resonance imaging (MRI) in detection and characterization of intraspinal extramedullary nonosseous neoplastic lesions and their histopathological correlation. Settings and Design: It was a prospective study involving fifty patients who presented with low backache and lower limb weakness with MRI findings suggestive of a neoplastic extramedullary intraspinal lesion. Patients and Methods: A 3-Tesla 16-channel MRI scanner was used for imaging. Multiplanar imaging was done using T1, T2, short-tau inversion recovery sequences and T1 fat-saturated sequences. All patients then underwent postgadolinium MRI. The findings of MRI were then reviewed. An analysis of correlation between MRI findings and surgical and histopathological findings was done. Results: Out of the fifty patients evaluated, intradural lesions were noted in forty patients and extradural lesions in ten patients. Schwannoma was the most common tumor, followed by meningioma in the intradural category. Two rare cases of intradural lipoma and malignant peripheral nerve sheath tumors were also detected. In extradural category, metastasis was the most common lesion along with two rare lesions of epidural meningioma and leukemia-associated granulocytic sarcoma. Conclusions: MRI is an indispensable tool in the evaluation of spinal neoplasms. Its multiplanar capability, high-quality soft-tissue resolution, and depiction of various anatomic landmarks help the neurosurgeon to make a road map for the surgery. In most of the cases, MRI can give information regarding the histopathology of the lesion. However, in some cases, differential diagnosis needs to be included, especially in cases of extradural meningiomas and malignant peripheral nerve sheath tumors, because of their rare incidence.
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来源期刊
West African Journal of Radiology
West African Journal of Radiology RADIOLOGY, NUCLEAR MEDICINE & MEDICAL IMAGING-
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